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MERITOR ® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS PB-10108

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Page 1: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

PB-10108

Page 2: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS
Page 3: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

TABLE OF CONTENTS

MTA23T Explode and BOM ............................................................................................4

Build Your OEM MTA23T Suspension .............................................................................6

Build Your Own MTA23T Suspension .............................................................................8

MTA25T Explode and BOM ............................................................................................10

Build Your OEM MTA25T Suspension .............................................................................12

Build Your Own MTA25T Suspension .............................................................................14

MTA30T Explode and BOM ............................................................................................16

Build Your OEM MTA30T Suspension .............................................................................18

Build Your Own MTA30T Suspension .............................................................................20

MTA Fully Dressed Axle Beam Specs .............................................................................22

MTA25L Explode and BOM ............................................................................................24

MTA30L Explode and BOM ............................................................................................26

Repair Kits and Components ........................................................................................28

MTA23T, MTA25T and MTA30T Lift Kits ..........................................................................30

MTA Service Beams ......................................................................................................31

Model Nomenclature .....................................................................................................33

Page 4: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

4 U.S. 888-725-9355 Canada 800-387-3889

MTA23T SUSPENSION

Item Description Part Number Qty. Comments

1 Roadside Hanger (Standard Models) 1 Includes Item 18

14” Ride Height (Weld-On) A1-3152-G-1229

15” Ride Height (Weld-On) A1-3152-H-1230

16” Ride Height (Weld-On) A1-3152-J-1232

17” Ride Height (Weld-On) A1-3152-K-1233

14” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-G-1229

15” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-H-1230

16” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-J-1232

17” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-K-1233

14” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-G-1229

15” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-H-1230

16” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-J-1232

17” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-K-1233

Page 5: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

U.S. 888-725-9355 MeritorPartsOnline.com 5Canada 800-387-3889

MTA23T SUSPENSIONKey Description Part Number Qty. Comments

2 Concentric Alignment Collar 21226275 2

3 Hardened Washer M301530 6 See KITs 11352, 11350, 11351, 11356

4 Locknut 1227-R-1604 6 See KITs 11352, 11350, 11356

5 Flat Washer 1229-M-4979 8 See KIT 11356

6 Shock Absorber KIT A-7805-E-1019 2

7 Lower Shock Bolt S-21480-M-2 2 See KIT 11356

8 Curbside Hanger

(Standard Models)

1

14” Ride Height (Weld-On) A-3152-G-1229

15” Ride Height (Weld-On) A-3152-H-1230

16” Ride Height (Weld-On) A-3152-J-1232

17” Ride Height (Weld-On) A-3152-K-1233

14” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-G-1229

15” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-H-1230

16” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-J-1232

17” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-K-1233

14” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-G-1229

15” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-H-1230

16” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-J-1232

17” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-K-1233

9 Trailing Arm/Axle Subassembly --- 1 See page 11

10 Name Plate Not Sold Separately 1

11 Locknut 1227-M-1573 4 See KIT 11203

12 Air Spring Pedestal (Std. Ride Heights) 2

14” Ride Height 3305-W-2571

15” Ride Height A-3305-W-2571

16” Ride Height A1-3305-W-2571

17” Ride Height A2-3305-W-2571

13 Air Spring A-2258-H-1568 2

14 Plug Not Sold Separately 2 See KIT 11203

15 Locknut 1227-M-1573 2 See KIT 11203

16 Linkage Assembly 203159-5 1

17 Valve Assemblies

With Auto Dump A-7806-M-1053 1 See KIT 11354

Without Auto Dump A-7806-L-1052 1 See KIT 11355

18 Bracket Not Sold Separately 1 Included in Item 1

19 Locknut NL-24-1 2 See KITs 11354, 11355

20 Flat Washer WA-34 2 See KITs 11354, 11355

21 Wear Washer 21226663 4 See KITs 11350, 111351

22 Multi-Functional Pivot Bushing A-1225-N-1522 2 See KIT 11351

23 Eccentric Alignment Collar 21226276 2

24 Pivot Bushing Bolt S-21464-M-2 2 See KITs 11351, 11352, 11353

25 Upper Shock Bolt S-21488-M-2 2 See KIT 11356

Page 6: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

6 U.S. 888-725-9355 Canada 800-387-3889

BUILD YOUR OEM MTA23T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 1 — Choose your Frame Assembly

Frame Hanger 14” Hole 11/16” Painted, Bushing and Fasteners

KIT 11406

• A3-3152-G-1229 1

• A2-3152-G-1229 1

• 3305-W-2571 2

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Frame Hanger 15” Hole 11/16” Painted, Bushing and Fasteners

KIT 11407

• A3-3152-H-1230 1

• A2-3152-H-1230 1

• A-3305-W-2571 2

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Frame Hanger 16” Hole 11/16” Painted, Bushing and Fasteners

KIT 11408

• A3-3152-J-1230 1

• A2-3152-J-1230 1

• A-3305-W-2571 2

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Frame Hanger 17” Hole 11/16” Painted, Bushing and Fasteners

KIT 11409

• A3-3152-K-1230 1

• A2-3152-K-1230 1

• A-3305-W-2571 2

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Page 7: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

U.S. 888-725-9355 MeritorPartsOnline.com 7Canada 800-387-3889

BUILD YOUR OEM MTA23T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 2 — Choose your Service Beam

C36-3273-C107-SB Axle TQ Wall 5/8” Length 71.5” Arm Center 35”

C23-3273-C185-SB Axle TP Wall 5/8” Length 71.5” Arm Center 35”

X15-3273-J140-SB Axle TQ Wall 5/8” Length 77.5” Arm Center 41”

X54-3273-Q199-SB Axle TP Wall 5/8” Length 77.5” Arm Center 41”

C2-3273-P1420-SB Axle TQ Wall 5/8” Length 83.5” Arm Center 47”

C6-3273-C1433-SB Axle TP Wall 5/8” Length 71.5” Arm Center 47”

Step 3 — Choose your Shock and Spring

Air Spring and Shock Absorber

KIT 11376

• 1227-M-1573 6

• A-2258-H-1568 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Step 4 — Choose your Axle Lift

MPS 5066 Axle Lift KIT

Step 5 — Choose your Control Valve

KIT 11354 Valve KIT with Auto Dump

KIT 11355 Valve KIT without Auto Dump

Page 8: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

8 U.S. 888-725-9355 Canada 800-387-3889

BUILD YOUR OWN MTA23T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 1 — Choose your Trailer/Arm Bushing

KIT 11350 Pivot Bolt and Bushing

KIT 11352 Pivot Bolt

Bushing Parts

KIT 11367

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

Bushing and Fastener

KIT 11368

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Fasteners for Bushings

KIT 11369

• 21226275 2

• 21226276 2

• M301530 4

• 1227-R-1604 2

• S-21464-M-2 2

• 21226663 4

Step 2 — Choose your Frame Assembly

Frame Hanger 14” Hole 11/16” Painted, Bushing and Fasteners

KIT 11406• A3-3152-G-1229 1

• A2-3152-G-1229 1

• 3305-W-2571 2

Frame Hanger 15” Hole 11/16” Painted, Bushing and Fasteners

KIT 11407• A3-3152-H-1230 1

• A2-3152-H-1230 1

• A-3305-W-2571 2

Frame Hanger 16” Hole 11/16” Painted, Bushing and Fasteners

KIT 11408• A3-3152-J-1230 1

• A2-3152-J-1230 1

• A-3305-W-2571 2

Frame Hanger 17” Hole 11/16” Painted, Bushing and Fasteners

KIT 11409• A3-3152-K-1230 1

• A2-3152-K-1230 1

• A-3305-W-2571 2

Page 9: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

U.S. 888-725-9355 MeritorPartsOnline.com 9Canada 800-387-3889

BUILD YOUR OWN MTA23T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 3 — Choose your Shock and Spring

KIT 11356 Fasteners for Shock Absorber

KIT 11203 Fasteners for Air Spring

Air Spring and Fasteners

KIT 11374• 1227-M-1573 6

• A-2258-H-1568 2

Shock Absorber and Fasteners

KIT 11375

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Air Spring KIT and Shock Absorber KIT

KIT 11376

• 1227-M-1573 6

• A-2258-H-1568 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Step 4 — Choose your Axle Lift

MPS 5066 Axle Lift KIT

KIT 11377 Air Springs

Step 5 — Choose your Control Valve

KIT 11354 Valve KIT with Auto Dump

KIT 11355 Valve KIT without Auto Dump

Step 6 — Choose your Rebuild KIT

Partial Rebuild KIT — Shock, Spring, Bushing

KIT 11378

• A-7805-F-1020 2

• A-2258-H-1568 2

• 21226663 4

• A-1225-N-1522 2

Complete Rebuild KIT

KIT 11379(contains KIT 11376 and KIT 11368)

• A-7805-F-1020 2

• A-2258-H-1568 2

• 21226663 4

• A-1225-N-1522 2

• 21226275 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• S-21480-M-2 2

• 1227-M-1573 6

• 1227-B-1614 2

• 21226276 2

• S-21464-M-2 2

• S-21488-M-2 2

Page 10: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

10 U.S. 888-725-9355 Canada 800-387-3889

MTA25T SUSPENSION

Item Description Part Number Qty. Comments

1 Roadside Hanger (Standard Models) 1 Includes Item 18

14” Ride Height (Weld-On) A1-3152-Y-1221

15” Ride Height (Weld-On) A1-3152-Z-1222

16” Ride Height (Weld-On) A1-3152-A-1223

17” Ride Height (Weld-On) A1-3152-B-1224

14” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-Y-1221

15” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-Z-1222

16” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-A-1223

17” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-B-1224

14” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-Y-1221

15” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-Z-1222

16” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-A-1223

17” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-B-1224

Page 11: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

U.S. 888-725-9355 MeritorPartsOnline.com 11Canada 800-387-3889

MTA25T SUSPENSIONItem Description Part Number Qty. Comments2 Concentric Alignment Collar 21226275 2

3 Hardened Washer M301530 6 See KITs 11351, 11353, 11356

4 Locknut 1227-R-1604 6 See KITs 11351, 11353, 11356

5 Flat Washer 1229-M-4979 8 See KIT 11356

6 Shock Absorber KIT A-7805-F-1020 2

7 Lower Shock Bolt S-21480-M-2 2 See KIT 11356

8 Curbside Hanger (Standard Models) 1

14” Ride Height (Weld-On) A-3152-Y-1221

15” Ride Height (Weld-On) A-3152-Z-1222

16” Ride Height (Weld-On) A-3152-A-1223

17” Ride Height (Weld-On) A-3152-B-1224

14” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-Y-1221

15” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-Z-1222

16” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-A-1223

17” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-B-1224

14” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-Y-1221

15” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-Z-1222

16” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-A-1223

17” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-B-1224

9 Trailing Arm/Axle Subassembly --- 1 See page 11

10 Name Plate Not Sold Separately 1

11 Locknut 1227-M-1573 4 See KIT 11203

12 Air Spring Pedestal (Std. Ride Heights) 2

14” Ride Height 3305-F-2606

15” Ride Height A-3305-F-2606

16” Ride Height A1-3305-F-2606

17” Ride Height A2-3305-F-2606

13 Air Spring A-2258-P-1576 2

14 Plug Not Sold Separately 2 See KIT 11203

15 Locknut 1227-M-1573 2 See KIT 11203

16 Linkage Assembly 203159-5 1

17 Valve Assemblies

With Auto Dump A-7806-M-1053 1 See KIT 11354

Without Auto Dump A-7806-L-1052 1 See KIT 11355

18 Bracket Not Sold Separately 1 Included in Item 1

19 Locknut NL-24-1 2 See KITs 11354, 11355

20 Flat Washer WA-34 2 See KITs 11354, 11355

21 Wear Washer 21226663 4 See KIT 11351

22 Multi-Functional Pivot Bushing A-1225-C-1537 2 See KIT 11351

23 Eccentric Alignment Collar 21226276 2

24 Pivot Bushing Bolt S-21472-M-2 2 See KITs 11351, 11353

25 Upper Shock Bolt S-21488-M-2 2 See KIT 11356

Page 12: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

12 U.S. 888-725-9355 Canada 800-387-3889

BUILD YOUR OEM MTA25T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 1 — Choose your Frame Assembly

Frame Hanger 14” Hole 11/16” Painted, Bushing and Fasteners

KIT 11411

• A3-3152-Y-1221 1

• A2-3152-Y-1221 1

• 3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

Frame Hanger 15” Hole 11/16” Painted, Bushing and Fasteners

KIT 11412

• A3-3152-Z-1222 1

• A2-3152-Z-1222 1

• A-3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

Frame Hanger 16” Hole 11/16” Painted, Bushing and Fasteners

KIT 11413

• A3-3152-A-1223 1

• A2-3152-A-1223 1

• A1-3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

Frame Hanger 17” Hole 11/16” Painted, Bushing and Fasteners

KIT 11414

• A3-3152-B-1224 1

• A2-3152-B-1224 1

• A2-3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

Page 13: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

U.S. 888-725-9355 MeritorPartsOnline.com 13Canada 800-387-3889

BUILD YOUR OEM MTA25T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 2 — Choose your Service Beam

C37-3273-C107-SB Axle TQ Wall 5/8” Length 71.5” Arm Center 35”

C20-3273-C185-SB Axle TP Wall 5/8” Length 71.5” Arm Center 35”

X12-3273-J140-SB Axle TQ Wall 5/8” Length 77.5” Arm Center 41”

X56-3273-Q199-SB Axle TP Wall 5/8” Length 77.5” Arm Center 41”

C3-3273-P1420-SB Axle TQ Wall 5/8” Length 83.5” Arm Center 47”

C7-3273-C1433-SB Axle TP Wall 5/8” Length 71.5” Arm Center 47”

Step 3 — Choose your Shock and Spring

Air Spring and Shock Absorber

KIT 11389

• 1227-M-1573 6

• A-2258-H-1568 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Step 4 — Choose your Axle Lift

MPS 5055 Axle Lift KIT

Step 5 — Choose your Control Valve

KIT 11354 Valve KIT with Auto Dump

KIT 11355 Valve KIT without Auto Dump

Page 14: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

14 U.S. 888-725-9355 Canada 800-387-3889

BUILD YOUR OWN MTA25T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 1 — Choose your Trailer/Arm Bushing

KIT 11351 Pivot Bolt and Bushing

KIT 11353 Pivot Bolt

Bushing Parts

KIT 11380

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

Bushing and Fastener

KIT 11381

• 21226275 2

• 21226663 4

• A-1225-N-1522 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Fasteners for Bushings

KIT 11382

• 21226275 2

• 21226276 2

• M301530 4

• 1227-R-1604 2

• S-21464-M-2 2

• 21226663 4

Step 2 — Choose your Frame Assembly

Frame Hanger 14” Hole 11/16” Painted, Bushing and Fasteners

KIT 11483• A3-3152-Y-1221 1

• A2-3152-Y-1221 1

• 3305-W-2571 2

Frame Hanger 15” Hole 11/16” Painted, Bushing and Fasteners

KIT 11484• A3-3152-Z-1222 1

• A2-3152-Z-1222 1

• A-3305-F-2606 2

Frame Hanger 16” Hole 11/16” Painted, Bushing and Fasteners

KIT 11485• A3-3152-A-1223 1

• A2-3152-A-1223 1

• A-3305-F-2606 2

Frame Hanger 17” Hole 11/16” Painted, Bushing and Fasteners

KIT 11486• A3-3152-B-1224 1

• A2-3152-B-1224 1

• A-3305-F-2606 2

Page 15: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

U.S. 888-725-9355 MeritorPartsOnline.com 15Canada 800-387-3889

BUILD YOUR OWN MTA25T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 3 — Choose your Shock and Spring

KIT 11356 Fasteners for Shock Absorber

KIT 11203 Fasteners for Air Spring

Air Spring and Fasteners

KIT 11387• 1227-M-1573 6

• A-2258-P-1576 2

Shock Absorber and Fasteners

KIT 11375

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Air Spring KIT and Shock Absorber KIT

KIT 11389

• 1227-M-1573 6

• A-2258-P-1576 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Step 4 — Choose your Axle Lift

MPS 5055 Axle Lift KIT

KIT 11377 Air Springs

Step 5 — Choose your Control Valve

KIT 11354 Valve KIT with Auto Dump

KIT 11355 Valve KIT without Auto Dump

Step 6 — Choose your Rebuild KIT

Partial Rebuild KIT — Shock, Spring, Bushing

KIT 11391

• A-7805-F-1020 2

• A-2258-P-1576 2

• 21226663 4

• A-1225-N-1537 2

Complete Rebuild KIT

KIT 11392(contains KIT 11389 and KIT 11381)

• A-7805-F-1020 2

• A-2258-P-1576 2

• 21226663 4

• A-1225-N-1537 2

• 21226275 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• S-21480-M-2 2

• 1227-M-1573 6

• 21226276 2

• S-21464-M-2 2

• S-21488-M-2 2

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16 U.S. 888-725-9355 Canada 800-387-3889

MTA30T SUSPENSION

Item Description Part Number Qty. Comments

1 Roadside Hanger (Standard Models) 1 Includes Item 18

14” Ride Height (Weld-On) A1-3152-C-1225

15” Ride Height (Weld-On) A1-3152-D-1226

16” Ride Height (Weld-On) A1-3152-E-1227

17” Ride Height (Weld-On) A1-3152-F-1228

14” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-C-1225

15” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-D-1226

16” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-E-1227

17” Ride Height (Bolt-On 9/16” Dia. Holes) A5-3152-F-1228

14” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-C-1225

15” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-D-1226

16” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-E-1227

17” Ride Height (Bolt-On 11/16” Dia. Holes) A3-3152-F-1228

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U.S. 888-725-9355 MeritorPartsOnline.com 17Canada 800-387-3889

MTA30T SUSPENSIONItem Description Part Number Qty. Comments

2 Concentric Alignment Collar 21226275 2

3 Hardened Washer M301530 6 See KITs 11351, 11353, 11356

4 Locknut 1227-R-1604 6 See KITs 11351, 11353, 11356

5 Flat Washer 1229-M-4979 8 See KIT 11356

6 Shock Absorber KIT A-7805-F-1020 2

7 Lower Shock Bolt S-21480-M-2 2 See KIT 11356

8 Curbside Hanger (Standard Models) 1

14” Ride Height (Weld-On) A-3152-C-1225

15” Ride Height (Weld-On) A-3152-D-1226

16” Ride Height (Weld-On) A-3152-E-1227

17” Ride Height (Weld-On) A-3152-F-1228

14” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-C-1225

15” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-D-1226

16” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-E-1227

17” Ride Height (Bolt-On 9/16” Dia. Holes) A4-3152-F-1228

14” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-C-1225

15” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-D-1226

16” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-E-1227

17” Ride Height (Bolt-On 11/16” Dia. Holes) A2-3152-F-1228

9 Trailing Arm/Axle Subassembly --- 1 See page 11

10 Name Plate Not Sold Separately 1

11 Locknut 1227-M-1573 4 See KIT 11203

12 Air Spring Pedestal (Std. Ride Heights) 2

14” Ride Height 3305-F-2606

15” Ride Height A-3305-F-2606

16” Ride Height A1-3305-F-2606

17” Ride Height A2-3305-F-2606

13 Air Spring A-2258-Q-1577 2

14 Plug Not Sold Separately 2 See KIT 11203

15 Locknut 1227-M-1573 2 See KIT 11203

16 Linkage Assembly 203159-5 1

17 Valve Assemblies

With Auto Dump A-7806-M-1053 1 See KIT 11354

Without Auto Dump A-7806-L-1052 1 See KIT 11355

18 Bracket Not Sold Separately 1 Included in Item 1

19 Locknut NL-24-1 2 See KITs 11354, 11355

20 Flat Washer WA-34 2 See KITs 11354, 11355

21 Wear Washer 21226663 4 See KIT 11351

22 Multi-Functional Pivot Bushing A-1225-C-1537 2 See KIT 11351

23 Eccentric Alignment Collar 21226276 2

24 Pivot Bushing Bolt S-21472-M-2 2 See KITs 11351, 11353

25 Upper Shock Bolt S-21488-M-2 2 See KIT 11356

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18 U.S. 888-725-9355 Canada 800-387-3889

BUILD YOUR OEM MTA30T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 1 — Choose your Frame Assembly

Frame Hanger 14” Hole 11/16” Painted, Bushing and Fasteners

KIT 11415

• A3-3152-C-1225 1

• A2-3152-C-1225 1

• 3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

Frame Hanger 15” Hole 11/16” Painted, Bushing and Fasteners

KIT 11416

• A3-3152-D-1226 1

• A2-3152-D-1226 1

• A-3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

Frame Hanger 16” Hole 11/16” Painted, Bushing and Fasteners

KIT 11417

• A3-3152-E-1227 1

• A2-3152-E-1227 1

• A1-3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

Frame Hanger 17” Hole 11/16” Painted, Bushing and Fasteners

KIT 11418

• A3-3152-F-1228 1

• A2-3152-F-1228 1

• A2-3305-F-2606 2

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21472-M-2 2

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U.S. 888-725-9355 MeritorPartsOnline.com 19Canada 800-387-3889

BUILD YOUR OEM MTA30T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 2 — Choose your Service Beam

C5-3273-P1160-SB Axle TQ Wall 5/8” Length 71.5” Arm Center 35”

C7-3273-Q1213-SB Axle TP Wall 5/8” Length 71.5” Arm Center 35”

C7-3273-R1162-SB Axle TQ Wall 5/8” Length 77.5” Arm Center 41”

C12-3273-K1155-SB Axle TP Wall 5/8” Length 77.5” Arm Center 41”

C-3273-T1398-SB Axle TQ Wall 5/8” Length 83.5” Arm Center 47”

C-3273-V1559-SB Axle TPS Wall 5/8” Length 71.5” Arm Center 47”

Step 3 — Choose your Shock and Spring

Air Spring and Shock Absorber

KIT 11402

• 1227-M-1573 6

• A-2258-Q-1577 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Step 4 — Choose your Axle Lift

MPS 5056 Axle Lift KIT

Step 5 — Choose your Control Valve

KIT 11354 Valve KIT with Auto Dump

KIT 11355 Valve KIT without Auto Dump

Page 20: MERITOR MTA SERIES - Distribuidora Meritor del Norte - …dimnsa.com/catalogos/descargas/PB10108 Suspensione… ·  · 2016-12-16MERITOR® MTA SERIES TRAILER AIR SUSPENSION SYSTEMS

20 U.S. 888-725-9355 Canada 800-387-3889

BUILD YOUR OWN MTA30T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 1 — Choose your Trailer/Arm Bushing

KIT 11351 Pivot Bolt and Bushing

KIT 11353 Pivot Bolt

Bushing Parts

KIT 11380

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

Bushing and Fastener

KIT 11381

• 21226275 2

• 21226663 4

• A-1225-N-1537 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Fasteners for Bushings

KIT 11382

• 21226275 2

• 21226276 2

• M301530 4

• 1227-R-1604 4

• S-21464-M-2 2

Step 2 — Choose your Frame Assembly

Frame Hanger 14” Hole 11/16” Painted, Bushing and Fasteners

KIT 11396• A3-3152-C-1225 1

• A2-3152-C-1225 1

• 3305-F-2606 2

Frame Hanger 15” Hole 11/16” Painted, Bushing and Fasteners

KIT 11397• A3-3152-D-1226 1

• A2-3152-D-1226 1

• A-3305-F-2606 2

Frame Hanger 16” Hole 11/16” Painted, Bushing and Fasteners

KIT 11398• A3-3152-E-1227 1

• A2-3152-E-1227 1

• A-3305-F-2606 2

Frame Hanger 17” Hole 11/16” Painted, Bushing and Fasteners

KIT 11399• A3-3152-F-1228 1

• A2-3152-F-1228 1

• A-3305-F-2606 2

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U.S. 888-725-9355 MeritorPartsOnline.com 21Canada 800-387-3889

BUILD YOUR OWN MTA30T SUSPENSIONSTEPS PART NO. APPLICATION KIT

Step 3 — Choose your Shock and Spring

KIT 11356 Fasteners for Shock Absorber

KIT 11203 Fasteners for Air Spring

Air Spring and Fasteners

KIT 11400• 1227-M-1573 6

• A-2258-Q-1577 2

Shock Absorber and Fasteners

KIT 11375

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Air Spring KIT and Shock Absorber KIT

KIT 11402

• 1227-M-1573 6

• A-2258-Q-1577 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

• A-7805-F-1020 2

• S-21480-M-2 2

• S-21488-M-2 2

Step 4 — Choose your Axle Lift

MPS 5055 Axle Lift KIT

KIT 11377 Air Springs

Step 5 — Choose your Control Valve

KIT 11354 Valve KIT with Auto Dump

KIT 11355 Valve KIT without Auto Dump

Step 6 — Choose your Rebuild KIT

Partial Rebuild KIT — Shock, Spring, Bushing

KIT 11404

• A-7805-F-1020 2

• A-2258-P-1576 2

• 21226663 4

• A-1225-N-1537 2

Complete Rebuild KIT

KIT 11405 (contains KIT 11402 and KIT 11381)

• A-7805-F-1020 2

• A-2258-P-1576 2

• 21226663 4

• A-1225-N-1537 2

• 21226275 2

• M301530 2

• 1227-R-1604 2

• 1229-M-4979 8

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22 U.S. 888-725-9355 Canada 800-387-3889

MTA FULLY DRESSED AXLE BEAM SPECS

included trailing arms, pivot bushing installed axle dress-up with S’cam brake 16,5”x7”, automatic slack adjuster and TSE chambers.

PART NUMBER AXLE DRESS-UP CAPACITY AXLE MODEL

WALL THINK-NESS

AXLE TRACK LENGTH

TRAILING ARM CENTERS

TOP/LOW MOUNT BRAKE TYPE

MTA23T000TN1615 23T TN 1/2” 71.5” 35” Top Q PLUS

MTA23T000TN1616 23T TN 1/2” 77.5” 41” Top Q PLUS

MTA23T000TP1620 23T TP 1/2” 71.5” 35” Top Q PLUS

MTA23T000TP1629 23T TP 1/2” 77.5” 41” Top Q PLUS

MTA25T000TQ1617 25T TQ 5/8” 71.5” 35” Top Q PLUS

MTA25T000TQ1618 25T TQ 5/8” 77.5” 41” Top Q PLUS

MTA25T000TP1621 25T TP 5/8” 71.5” 35” Top Q PLUS

MTA25T000TP1622 25T TP 5/8” 77.5” 41” Top Q PLUS

MTA30T000TQ1628 30T TQ 3/4” 71.5” 35” Top Q PLUS

MTA30T000TQ1619 30T TQ 3/4” 77.5” 41” Top Q PLUS

MTA30T000TP1623 30T TP 3/4” 71.5” 35” Top Q PLUS

MTA30T000TP1624 30T TP 3/4” 77.5” 41” Top Q PLUS

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U.S. 888-725-9355 MeritorPartsOnline.com 23Canada 800-387-3889

MTA FULLY DRESSED AXLE BEAM SPECS

BRAKE SIZECAM

LENGTH Cam LocationFRICTION MATERIAL

SLACK ADJUSTER CHAMBERS

ABS SENSOR Finish

PART NUMBER AXLE DRESS-UP

16.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA23T000TN161516.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA23T000TN161616.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA23T000TP162016.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA23T000TP1629

16.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA25T000TQ161716.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA25T000TQ161816.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA25T000TP162116.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA25T000TP1622

16.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA30T000TQ162816.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA30T000TQ161916.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA30T000TP162316.5”X7” Long Rear MA212 5.5” TSE 30/30 Y Paint MTA30T000TP1624

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24 U.S. 888-725-9355 Canada 800-387-3889

MTA25L SUSPENSION

Item Description Part Number Qty. Comments

1 Roadside Hanger (Standard Models) 1

6.5” Ride Height (Weld-on) A1-3152-P-1238

7.5” Ride Height (Weld-on) A1-3152-P-1238

8.0” Ride Height (Weld-on) A1-3152-P-1238

9.0” Ride Height (Weld-on) A-3152-P-1238

12.0” Ride Height (Weld-on) A-3152-U-1243

14.0” Ride Height (Weld-on) A1-3152-U-1243

15.0” Ride Height (Weld-on) A2-3152-U-1243

16.0” Ride Height (Weld-on) A-3152-Y-1247

17.0” Ride Height (Weld-on) A1-3152-Y-1247

19.0” Ride Height (Weld-on) A2-3152-Y-1247

2 Concentric Alignment Collar 21226275 2

3 Hardened Washer M301530 10 See KITS 11351, 11353

4 Locknut 1227-R-1604 6 See KITS 11351, 11353

5 Shock Absorber KIT A-7805-S-1163 2

6 Lower Shock Bolt S-21440-Z-2 2

7 Curbside Hanger (Standard Models) 1

6.5” Ride Height (Weld-on) A1-3152-Q-1239

7.5” Ride Height (Weld-on) A1-3152-Q-1239

8.0” Ride Height (Weld-on) A1-3152-Q-1239

9.0” Ride Height (Weld-on) A-3152-Q-1239

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U.S. 888-725-9355 MeritorPartsOnline.com 25Canada 800-387-3889

Item Description Part Number Qty. Comments

12.0” Ride Height (Weld-on) A-3152-V-1244

14.0” Ride Height (Weld-on) A2-3152-V-1244

15.0” Ride Height (Weld-on) A2-3152-V-1245

16.0” Ride Height (Weld-on) A-3152-Z-1248

17.0” Ride Height (Weld-on) A1-3152-Z-1248

19.0” Ride Height (Weld-on) A2-3152-Z-1248

8 Trailing Arm / Axle Subassembly - 1

9 Name Plate Not sold separately 1

10 Locknut 1227-M-1573 4

11 Air Spring Pedestal (Std. Ride Heights) 2

6.5” Ride Height (Weld-on) A-3305-W-2571

7.5” Ride Height (Weld-on) A-3305-W-2571

8.0” Ride Height (Weld-on) A-3305-W-2571

9.0” Ride Height (Weld-on) A-3305-W-2571

12.0” Ride Height (Weld-on) 3305-H-2998

14.0” Ride Height (Weld-on) A3-3305-W-2571

15.0” Ride Height (Weld-on) A4-3305-W-2571

16.0” Ride Height (Weld-on) A5-3305-W-2571

17.0” Ride Height (Weld-on) A6-3305-W-2571

19.0” Ride Height (Weld-on) A7-3305-W-2571

12 Air Spring 2

6.5” Ride Height (Weld-on) A-2258-S-1605

7.5” Ride Height (Weld-on) A-2258-S-1605

8.0” Ride Height (Weld-on) A-2258-S-1605

9.0” Ride Height (Weld-on) A-2258-R-1604

12.0” Ride Height (Weld-on) A-2258-T-1606

14.0” Ride Height (Weld-on) A-2258-T-1606

15.0” Ride Height (Weld-on) A-2258-T-1606

16.0” Ride Height (Weld-on) A-2258-T-1606

17.0” Ride Height (Weld-on) A-2258-T-1606

19.0” Ride Height (Weld-on) A-2258-T-1606

13 Plug Not sold separately 2

14 Screw S-288Z-2 4

15 Linkage Assembly 203159-9 1 See KITS MPS-5079, 5080, 5081, 5082

16 Valve Assemblies 1

With Auto Dump A-7806-Y-1065 See KITS MPS-5081, 5082

Without Auto Dump A-7806-X-1064 See KITS MPS-5079, 5080

17 Bracket Not sold separately 1 See KITS MPS-5079, 5080, 5081, 5082

18 Screw-Self Tapping 10-X-1348 2 See KITS MPS-5079, 5080, 5081, 5082

19 Locknut NL-24-M-1 2 See KITS MPS-5079, 5080, 5081, 5082

20 Flat Washer WA-34 2 See KITS MPS-5079, 5080, 5081, 5082

21 Wear Washer 21226663 4 See KIT 11351

22 Multi-Functional Pivot Bushing A-1225-C-1537 2 See KIT 11351

23 Eccentric Alignment Collar 21226276 2

24 Pivot Bushing Bolt S-21472-M-2 2 See KITS 11351, 11353

25 Upper Shock Bolt S-21448-Z-2 2

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26 U.S. 888-725-9355 Canada 800-387-3889

MTA30L SUSPENSION

Item Description Part Number Qty. Comments

1 Roadside Hanger (Standard Models) 1

9.0” Ride Height (Weld-on) A-3152-L-1234

12.0” Ride Height (Weld-on) A-3152-S-1241

14.0” Ride Height (Weld-on) A1-3152-S-1241

15.0” Ride Height (Weld-on) A2-3152-S-1241

16.0” Ride Height (Weld-on) A-3152-W-1245

17.0” Ride Height (Weld-on) A1-3152-W-1245

19.0” Ride Height (Weld-on) A2-3152-W-1245

2 Concentric Alignment Collar 21226275 2

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Item Description Part Number Qty. Comments

3 Hardened Washer M301530 10 See KITS 11351, 11353

4 Locknut 1227-R-1604 6 See KITS 11351, 11353

5 Shock Absorber KIT A-7805-S-1163 2

6 Lower Shock Bolt S-21440-Z-2 2

7 Curbside Hanger (Standard Models) 1

9.0” Ride Height (Weld-on) A-3152-M-1235

12.0” Ride Height (Weld-on) A-3152-T-1242

14.0” Ride Height (Weld-on) A1-3152-T-1242

15.0” Ride Height (Weld-on) A2-3152-T-1242

16.0” Ride Height (Weld-on) A-3152-X-1246

17.0” Ride Height (Weld-on) A1-3152-X-1246

19.0” Ride Height (Weld-on) A2-3152-X-1246

8 Trailing Arm / Axle Subassembly 1

9 Name Plate 1

10 Locknut 1227-M-1573 4

11 Air Spring Pedestal (Std. Ride Heights) 2

9.0” Ride Height (Weld-on) A-3305-W-2571

12.0” Ride Height (Weld-on) 3305-H-2998

14.0” Ride Height (Weld-on) A3-3305-W-2571

15.0” Ride Height (Weld-on) A4-3305-W-2571

16.0” Ride Height (Weld-on) A5-3305-W-2571

17.0” Ride Height (Weld-on) A6-3305-W-2571

19.0” Ride Height (Weld-on) A7-3305-W-2571

12 Air Spring 2

9.0” Ride Height (Weld-on) A-2258-R-1604

12.0” Ride Height (Weld-on) A-2258-T-1606

14.0” Ride Height (Weld-on) A-2258-T-1606

15.0” Ride Height (Weld-on) A-2258-T-1606

16.0” Ride Height (Weld-on) A-2258-T-1606

17.0” Ride Height (Weld-on) A-2258-T-1606

19.0” Ride Height (Weld-on) A-2258-T-1606

13 Plug Not sold separately 2

14 Screw S-288Z-2 4

15 Linkage Assembly 203159-9 1

16 Valve Assemblies

With Auto Dump A-7806-Y-1065 See KIT MPS-5082

Without Auto Dump A-7806-X-1064 See KIT MPS-5080

17 Bracket Not sold separately 1 See KITS MPS-5080, 5082

18 Screw-Self Tapping 10-X-1348 2 See KITS MPS-5080, 5082

19 Locknut NL-24-M-1 2 See KITS MPS-5080, 5082

20 Flat Washer WA-34 2 See KITS MPS-5080, 5082

21 Wear Washer 21226663 4 See KIT 11351

22 Multi-Functional Pivot Bushing A-1225-C-1537 2 See KIT 11351

23 Eccentric Alignment Collar 21226276 2

24 Pivot Bushing Bolt S-21472-M-2 2 See KITS 11351, 11353

25 Upper Shock Bolt S-21448-Z-2 2

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28 U.S. 888-725-9355 Canada 800-387-3889

KIT 11350 Pivot Bolt and Bushing KIT (MTA23T)Item Qty. Part Number Description

1 1 S-21464-M-2 Capscrew 7/8”-9 x 8”, Grade 8

2 1 M301530 Hardened Flat Washer - 7/8” ID

3 1 1227-R-1604 Lock Nut - 7/8”-9, Grade C

4 2 21226663 Wear Washer

5 1 A-1225-N-1522 Multi-Function Bushing

KIT 11351 Pivot Bolt and Bushing KIT (MTA25T, MTA30T, MTA25L & MTA30L)Item Qty. Part Number Description

1 1 S-21472-M-2 Capscrew 7/8”-9 x 9”, Grade 8

2 1 M301530 Hardened Flat Washer - 7/8” ID

3 1 1227-R-1604 Lock Nut - 7/8”-9, Grade C

4 2 21226663 Wear Washer

5 1 A-1225-C-1537 Multi-Function Bushing

KIT 11352 Pivot Bolt KIT (MTA23T)Item Qty. Part Number Description

1 1 S-21464-M-2 Capscrew 7/8”-9 x 8”, Grade 8

2 1 M301530 Hardened Flat Washer - 7/8” ID

3 1 1227-R-1604 Lock Nut - 7/8”-9, Grade C

KIT 11353 Pivot Bolt KIT (MTA25T, MTA30T, MTA25L & MTA30L)Item Qty. Part Number Description

1 1 S-21472-M-2 Capscrew 7/8”-9 x 9”, Grade 8

2 1 M301530 Hardened Flat Washer - 7/8” ID

3 1 1227-R-1604 Lock Nut - 7/8”-9, Grade C

A-3256-F-1228 Bushing Installation Tool (all MTA Series)

See TP-1135 at meritor.com/lod

REPAIR KITS AND COMPONENTS

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U.S. 888-725-9355 MeritorPartsOnline.com 29Canada 800-387-3889

A-7805-F-1020 Shock AbsorberShock Absorber MTA23T, MTA25T & MTA30T

KIT 11356 Shock Absorber Hardware KIT (MTA23T, MTA25T & MTA30T) Item Qty. Part Number Description

1 4 1229-M-4979 Flat Washer - O.D. 2.25”; I.D. .938”

2 2 M301530 Hardened Flat Washer - 7/8” ID

3 2 1227-R-1604 Lock Nut - 7/8”-9, Grade C

4 1 S-21480-M-2 Capscrew 7/8” -9 x 10 Grade 8

5 1 S-21488-M-2 Capscrew 7/8” -9 x 11 Grade 8

Air Spring (MTA23T, MTA25T & MTA30T) Part Number Description

A-2258-H-1568 for MTA23T

A-2258-P-1576 for MTA25T

A-2258-Q-1577 for MTA30T

A-2258-S-1605 for MTA25L and MTA30L 6.5” THRU 8” RH

A-2258-R-1604 for MTA25L and MTA30L 9” RH

A-2258-T-1606 for MTA25L and MTA30L 12” THRU 19” RH

KIT 11203 Air Spring Bolt KIT (MTA23T, MTA25T & MTA30T)Item Qty. Part Number Description

1 2 R004961A Lock Nut - 3/4”-16, Grade 8

2 2 M301554 Lock Nut - 1/2”-13, Grade C

3 1 1250-H-1308 Plug - 1/4” NPT

KIT 11354 Valve KIT With Auto Dump (MTA23T, MTA25T & MTA30T)Item Qty. Part Number Description

1 1 A-7806-M-1053 Height Control Valve

2 1 203159-5 Linkage Assembly

3 2 NL-24-1 Lock Nut

4 2 WA-34 Washer

KIT 11355 Valve KIT Without Auto Dump (MTA23T, MTA25T & MTA30T) Item Qty. Part Number Description

1 1 A-7806-L-1052 Height Control Valve

2 1 203159-5 Linkage Assembly

3 2 NL-24-1 Lock Nut

4 2 WA-34 Washer

REPAIR KITS AND COMPONENTS

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30 U.S. 888-725-9355 Canada 800-387-3889

Liftable Suspension ModelsMTA23T, MTA25T and MTA30T — Top Mount Applications

Ride Height MTA23T MTA25T MTA30T

(Inches) (Inches) (Inches) (Inches)

14 2.8 3.8 3.9

15 3.0 4.0 4.1

16 3.0 4.0 4.1

17 3.0 4.0 4.1

Lift KIT MPS 5066 MPS 5055 MPS 5056

MTA23T, MTA25T and MTA30T LIFT KITS

Parts List for Lift KITs MPS 5066, MPS 5055 and MPS 5056*

MPS 5066 MPS 5055 MPS 5056

MTA23T MTA25T MTA30T

Item Description Part Number Part Number Part Number Qty.

ASSY-AXLE LIFT (LH) A2-3305-S-3061 A-3305-S-3061 A1-3305-S-3061 1

ASSY-AXLE LIFT (RH) A2-3305-T-3062 A-3305-T-3062 A1-3305-T-3062 1

SAM

E FO

R E

ACH

KIT

1 Boss 1229-X-4964

2 PEDESTAL-AIR SPRING (LH) A-3305-G-3075 1

PEDESTAL-AIR SPRING (RH) A-3305-H-3076 1

3 NUT-LOCK,FIN. 1227-M-1573 2

4 BOLT-HEXAGON S-21488-M-2 2

5 WASHER-HARDENED M301530 2

6 SPRING-AIR A-2258-G-1489 2

8 NUT-LOCK,FIN. 1227-R-1604 2

9 PLATE SIDE 3305-L-3080 2

NUT-LOCK,FIN. 1227-B-1614 6

*Please note: Items contained in each kit are available for purchase individually.

2

1

3 4 5 6

8

9

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U.S. 888-725-9355 MeritorPartsOnline.com 31Canada 800-387-3889

MTA Axle Wall Axle Track Trailing Arm Service Beam

Series Model Thickness Length Centers Part Number

MTA23T TQ 5/8” 71.5” 35” C36-3273-C107-SB

MTA23T TP 5/8” 71.5” 35” C23-3273-C185-SB

MTA23T TQ 5/8” 77.5” 41” X15-3273-J140-SB

MTA23T TP 5/8” 77.5” 41” X54-3273-Q199-SB

MTA23T TQ 5/8” 83.5” 47” C2-3273-P1420-SB

MTA23T TP 5/8” 83.5” 47” C6-3273-C1433-SB

MTA25T TQ 5/8” 71.5” 35” C37-3273-C107-SB

MTA25T TP 5/8” 71.5” 35” C20-3273-C185-SB

MTA25T TQ 5/8” 77.5” 41” X12-3273-J140-SB

MTA25T TP 5/8” 77.5” 41” X56-3273-Q199-SB

MTA25T TQ 5/8” 83.5” 47” C3-3273-P1420-SB

MTA25T TP 5/8” 83.5” 47” C7-3273-C1433-SB

MTA30T TQ 3/4” 71.5” 35” C5-3273-P1160-SB

MTA30T TP 3/4” 71.5” 35” C7-3273-Q1213-SB

MTA30T TQ 3/4” 77.5” 41” C7-3273-R1162-SB

MTA30T TP 3/4” 77.5” 41” C12-3273-K1155-SB

MTA30T TQ 3/4” 83.5” 47” C-3273-T1398-SB

MTA30T TP 3/4” 83.5” 47” C-3273-Y1559-SB

MTA SERVICE BEAMS

MTA Service Beams include axle and trailing arms with pivot bushings installed.

Beams are provided without shoes or cams.

Other specs include 16-1/2” brake spider, ABS sensor blocks, cam support bracket for long cams and brake angle rear.

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32 U.S. 888-725-9355 Canada 800-387-3889

For Meritor Tire Infl ation Systm please visit meritor.com/LOD

and request or download catalog

PB-9999 Meritor Tire Infl ation System (MTIS) by P.S.I.™

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U.S. 888-725-9355 MeritorPartsOnline.com 33Canada 800-387-3889

Each suspension model number will be distinct and unique. This number will consist of 14 characters and can be found on

the suspension identifi cation tag located on the rear of the roadside trailing arm.

The model nomenclature is defi ned as follows:

M TA 23 F 50 TN XXXXSequence Number

Axle TypeTN

Ride Height TP

40 = 14” TQ

Meritor 50 = 15”

60 = 16”

65 = 16.5”

70 = 17”

85 = 18”

Miscellaneous S = Sliding Subframe

F = Fixed Subframe

L = Less Subframe

Suspension System Rating* 14 = 14,000

20 = 20,000

23 = 23,000

38 = 38,000

40 = 40,000

46 = 46,000

Suspension Type PA = Parallelogram Air Suspension

TA = Trailing Arm Suspension

SM = Steel Mechanical

CM = Composite Mechanical

*Nominal capacity listed. Actual capacities may vary according to the application

MODEL NOMENCLATURE(prior to 10/1/2011)

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34 U.S. 888-725-9355 Canada 800-387-3889

MODEL NOMENCLATURE(effective 10/1/2011)

Each suspension model number will be distinct and unique. This number will consist of 15 characters and can be found on

the suspension identifi cation tag located on the rear of the roadside trailing arm.

The model nomenclature is defi ned as follows:

M TA 23 T 140 TN 0015Sequence Number

Axle TypeTN

Ride Height TP

40 = 14” TQ

Meritor 50 = 15”

60 = 16”

65 = 16.5”

70 = 17”

85 = 18”

Miscellaneous S = Sliding Subframe

F = Fixed Subframe

L = Less Subframe

Suspension System Rating* 14 = 14,000

20 = 20,000

23 = 23,000

38 = 38,000

40 = 40,000

46 = 46,000

Suspension Type PA = Parallelogram Air Suspension

TA = Trailing Arm Suspension

SM = Steel Mechanical

CM = Composite Mechanical

*Nominal capacity listed. Actual capacities may vary according to the application

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10-X-1348..................................................... 25, 27

1227-B-1614 .................................................... 30

1227-M-1573 .......................... 5, 11, 17, 25, 27, 30

1227-R-1604 .............. 5, 11, 17, 24, 27, 28, 29, 30

1229-M-4979 ...................................... 5, 11, 17, 29

1229-X-4964....................................................... 30

1250-H-1308 ...................................................... 29

203159-5 ............................................ 5, 11, 17, 29

203159-9 ...................................................... 25, 27

21226275...................................... 5, 11, 17, 24, 26

21226276...................................... 5, 11, 17, 25, 27

21226663................................ 5, 11, 17, 25, 27, 28

3305-F-2606 ................................................. 11, 17

3305-H-2998 ................................................ 25, 27

3305-L-3080 ..................................................... 30

3305-W-2571 ........................................................ 5

A-1225-C-1537 ........................... 11, 17, 25, 27, 28

A-1225-N-1522 ............................................... 5, 28

A1-3152-A-1223 ................................................. 10

A1-3152-B-1224 ................................................. 10

A1-3152-C-1225 ................................................. 16

A1-3152-D-1226 ................................................. 16

A1-3152-E-1227 ................................................. 16

A1-3152-F-1228 ................................................. 16

A1-3152-G-1229 .................................................. 4

A1-3152-H-1230 .................................................. 4

A1-3152-J-1232 ................................................... 4

A1-3152-K-1233 .................................................. 4

A1-3152-P-1238 ................................................. 24

A1-3152-P-1238 ................................................. 24

A1-3152-Q-1239 ................................................. 24

A1-3152-S-1241 ................................................. 26

A1-3152-T-1242.................................................. 27

A1-3152-U-1243 ................................................. 24

A1-3152-W-1245 ................................................ 26

A1-3152-X-1246 ................................................. 27

A1-3152-Y-1221 ................................................. 10

A1-3152-Y-1247 ................................................. 24

A1-3152-Z-1222 ................................................. 10

A1-3152-Z-1248 ................................................. 25

A1-3305-F-2606 ........................................... 11, 17

A1-3305-S-3061 ............................................... 30

A1-3305-T-3062 ................................................ 30

A1-3305-W-2571 .................................................. 5

A-2258-G-1489 ................................................. 30

A-2258-H-1568 ............................................... 5, 29

A-2258-P-1576 ............................................. 11, 29

A-2258-Q-1577 ............................................. 17, 29

A-2258-R-1604 ....................................... 25, 27, 29

A-2258-S-1605 ................................................... 29

A-2258-S-1605 ................................................... 25

A-2258-T-1606........................................ 25, 27, 29

A2-3152-A-1223 ................................................. 11

A2-3152-B-1224 ................................................. 11

A2-3152-C-1225 ................................................. 17

A2-3152-D-1226 ................................................. 17

A2-3152-E-1227 ................................................. 17

A2-3152-F-1228 ................................................. 17

A2-3152-G-1229 .................................................. 5

A2-3152-H-1230 .................................................. 5

A2-3152-J-1232 ................................................... 5

A2-3152-K-1233 .................................................. 5

A2-3152-S-1241 ................................................. 26

A2-3152-T-1242.................................................. 27

A2-3152-U-1243 ................................................. 24

A2-3152-V-1244 ................................................. 25

A2-3152-V-1245 ................................................. 25

A2-3152-W-1245 ................................................ 26

A2-3152-X-1246 ................................................. 27

A2-3152-Y-1221 ................................................. 11

A2-3152-Y-1247 ................................................. 24

A2-3152-Z-1222 ................................................. 11

A2-3152-Z-1248 ................................................. 25

A2-3305-F-2606 ........................................... 11, 17

A2-3305-S-3061 ............................................... 30

A2-3305-T-3062 ................................................ 30

A2-3305-W-2571 .................................................. 5

A-3152-A-1223 ................................................... 11

A-3152-B-1224 ................................................... 11

A-3152-C-1225 ................................................... 17

A-3152-D-1226 ................................................... 17

A-3152-E-1227 ................................................... 17

A-3152-F-1228 ................................................... 17

A-3152-G-1229 .................................................... 5

A-3152-H-1230 .................................................... 5

A-3152-J-1232 ..................................................... 5

A-3152-K-1233 .................................................... 5

A-3152-L-1234 ................................................... 26

A-3152-M-1235 .................................................. 27

A-3152-P-1238 ................................................... 24

A-3152-Q-1239 ................................................... 24

A-3152-S-1241 ................................................... 26

A-3152-T-1242.................................................... 27

A-3152-U-1243 ................................................... 24

A-3152-V-1244 ................................................... 25

A-3152-W-1245 .................................................. 26

A-3152-X-1246 ................................................... 27

A-3152-Y-1221 ................................................... 11

A-3152-Y-1247 ................................................... 24

A-3152-Z-1222 ................................................... 11

A-3152-Z-1248 ................................................... 25

A-3256-F-1228 ................................................... 28

A-3305-F-2606 ............................................. 11, 17

A-3305-G-3075 ................................................. 30

A-3305-H-3076 ................................................. 30

A-3305-S-3061 ................................................. 30

A-3305-T-3062 .................................................. 30

A-3305-W-2571 ........................................ 5, 25, 27

A3-3152-A-1223 ................................................. 10

A3-3152-B-1224 ................................................. 10

A3-3152-C-1225 ................................................. 16

A3-3152-D-1226 ................................................. 16

A3-3152-E-1227 ................................................. 16

A3-3152-F-1228 ................................................. 16

A3-3152-G-1229 .................................................. 4

A3-3152-H-1230 .................................................. 4

A3-3152-J-1232 ................................................... 4

A3-3152-K-1233 .................................................. 4

A3-3152-Y-1221 ................................................. 10

A3-3152-Z-1222 ................................................. 10

A3-3305-W-2571 ................................................ 25

A3-3305-W-2571 ................................................ 27

A4-3152-A-1223 ................................................. 11

A4-3152-B-1224 ................................................. 11

A4-3152-C-1225 ................................................. 17

A4-3152-D-1226 ................................................. 17

A4-3152-E-1227 ................................................. 17

A4-3152-F-1228 ................................................. 17

A4-3152-G-1229 .................................................. 5

A4-3152-H-1230 .................................................. 5

A4-3152-J-1232 ................................................... 5

A4-3152-K-1233 .................................................. 5

A4-3152-Y-1221 ................................................. 11

A4-3152-Z-1222 ................................................. 11

A4-3305-W-2571 ................................................ 25

A4-3305-W-2571 ................................................ 27

A5-3152-A-1223 ................................................. 10

A5-3152-B-1224 ................................................. 10

A5-3152-C-1225 ................................................. 16

A5-3152-D-1226 ................................................. 16

A5-3152-E-1227 ................................................. 16

A5-3152-F-1228 ................................................. 16

A5-3152-G-1229 .................................................. 4

A5-3152-H-1230 .................................................. 4

A5-3152-J-1232 ................................................... 4

A5-3152-K-1233 .................................................. 4

A5-3152-Y-1221 ................................................. 10

A5-3152-Z-1222 ................................................. 10

A5-3305-W-2571 ................................................ 25

A5-3305-W-2571 ................................................ 27

A6-3305-W-2571 ................................................ 25

A6-3305-W-2571 ................................................ 27

A7-3305-W-2571 ................................................ 25

A7-3305-W-2571 ................................................ 27

A-7805-E-1019 ..................................................... 5

A-7805-F-1020 ................................................... 17

A-7805-F-1020 ................................................... 29

A-7805-F-1020 ................................................... 11

A-7805-S-1163 ................................................... 24

A-7805-S-1163 ................................................... 27

A-7806-L-1052 ................................................... 17

A-7806-L-1052 ..................................................... 5

A-7806-L-1052 ................................................... 11

A-7806-L-1052 ................................................... 29

A-7806-M-1053 .................................................. 17

A-7806-M-1053 .................................................... 5

A-7806-M-1053 .................................................. 11

A-7806-M-1053 .................................................. 29

A-7806-X-1064 ................................................... 25

A-7806-X-1064 ................................................... 27

A-7806-Y-1065 ................................................... 25

A-7806-Y-1065 ................................................... 27

C12-3273-K1155-SB..................................... 19, 31

C20-3273-C185-SB ...................................... 13, 31

C2-3273-P1420-SB......................................... 7, 31

C23-3273-C185-SB ........................................ 7, 31

C-3273-T1398-SB ......................................... 19, 31

C-3273-V1559-SB......................................... 19, 31

C3-3273-P1420-SB....................................... 13, 31

C36-3273-C107-SB ........................................ 7, 31

C37-3273-C107-SB ...................................... 13, 31

C5-3273-P1160-SB....................................... 19, 31

C6-3273-C1433-SB ........................................ 7, 31

C7-3273-C1433-SB ...................................... 13, 31

C7-3273-Q1213-SB ...................................... 19, 31

C7-3273-R1162-SB ...................................... 19, 31

KIT 11203 ............................................ 9, 15, 21, 29

KIT 11350 ........................................................ 8, 28

KIT 11351 ................................................ 14, 20, 28

NUMERICAL PARTS LISTING PART NUMBER PAGE PART NUMBER PAGE PART NUMBER PAGE

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36 U.S. 888-725-9355 Canada 800-387-3889

NUMERICAL PARTS LISTING PART NUMBER PAGE PART NUMBER PAGE PART NUMBER PAGE

KIT 11352 ........................................................ 8, 28

KIT 11353 ................................................ 14, 20, 28

KIT 11354 ............................ 7, 9, 13, 15, 19, 21, 29

KIT 11355 ............................ 7, 9, 13, 15, 19, 21, 29

KIT 11356 ............................................ 9, 15, 21, 29

KIT 11367 .............................................................. 8

KIT 11368 .............................................................. 8

KIT 11369 .............................................................. 8

KIT 11374 .............................................................. 9

KIT 11375 .................................................. 9, 15, 21

KIT 11376 .......................................................... 7, 9

KIT 11377 .................................................. 9, 15, 21

KIT 11378 .............................................................. 9

KIT 11379 .............................................................. 9

KIT 11380 ...................................................... 14, 20

KIT 11381 ...................................................... 14, 20

KIT 11382 ...................................................... 14, 20

KIT 11387 ............................................................ 15

KIT 11389 ...................................................... 13, 15

KIT 11391 ............................................................ 15

KIT 11392 ............................................................ 15

KIT 11396 ............................................................ 20

KIT 11397 ............................................................ 20

KIT 11398 ............................................................ 20

KIT 11399 ............................................................ 20

KIT 11400 ............................................................ 21

KIT 11402 ...................................................... 19, 21

KIT 11404 ............................................................ 21

KIT 11405 ............................................................ 21

KIT 11406 .......................................................... 6, 8

KIT 11407 .......................................................... 6, 8

KIT 11408 .......................................................... 6, 8

KIT 11409 .......................................................... 6, 8

KIT 11411 ............................................................ 12

KIT 11412 ............................................................ 12

KIT 11413 ............................................................ 12

KIT 11414 ............................................................ 12

KIT 11415 ............................................................ 18

KIT 11416 ............................................................ 18

KIT 11417 ............................................................ 18

KIT 11418 ............................................................ 18

KIT 11483 ............................................................ 14

KIT 11484 ............................................................ 14

KIT 11485 ............................................................ 14

KIT 11486 ............................................................ 14

M301530 ..................... 5, 11, 17, 24, 27, 28, 29, 30

M301554 ............................................................. 29

MPS 5055 .......................................... 13, 15, 21, 30

MPS 5056 ...................................................... 19, 30

MPS 5066 .................................................... 7, 9, 30

MTA23T000TN1615 ............................................. 22

MTA23T000TN1616 ............................................. 22

MTA23T000TP1620 .............................................. 22

MTA23T000TP1629 .............................................. 22

MTA25T000TP1621 .............................................. 22

MTA25T000TP1622 .............................................. 22

MTA25T000TQ1617 ............................................. 22

MTA25T000TQ1618 ............................................. 22

MTA30T000TP1623 .............................................. 22

MTA30T000TP1624 .............................................. 22

MTA30T000TQ1619 ............................................. 22

MTA30T000TQ1628 ............................................. 22

NL-24-1............................................... 5, 11, 17, 29

NL-24-M-1 .................................................... 25, 27

R004961A ........................................................... 29

S-21440-Z-2 ................................................. 24, 27

S-21448-Z-2 ................................................. 25, 27

S-21464-M-2 .................................................. 5, 28

S-21472-M-2 .............................. 11, 17, 25, 27, 28

S-21480-M-2 ...................................... 5, 11, 17, 29

S-21488-M-2 ................................ 5, 11, 17, 29, 30

S-288Z-2....................................................... 25, 27

WA-34 ..................................... 5, 11, 17, 25, 27, 29

X12-3273-J140-SB........................................ 13, 31

X15-3273-J140-SB.......................................... 7, 31

X54-3273-Q199-SB......................................... 7, 31

X56-3273-Q199-SB....................................... 13, 31

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MERITOR AFTERMARKET PARTS WARRANTY

We warrant all new parts for one year from date of shipment to the buyer against defective material or workmanship

(but not against damage caUsed by accident, abuse or improper installation, maintenance or repair) when such parts

are Used on vehicles the specifi cations of which have been approved by our Engineering Department.

As the exclusive remedy under this warranty, we will, at our option, repair or replace such parts free of charge, or take

back the nonconforming parts and refund the monies paid by buyer for such parts, if found on examination by us to be

nonconforming and if any necessary return charges are prepaid.

If it is necessary to return any parts under this warranty, buyer agrees not to make any deduction on account thereof

from remittances on current accounts while claims are in the process of disposition. Any expense incurred without our

consent for repairs or replacement will not be allowed.

THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES OR CONDITIONS, EXPRESS, IMPLIED OR STATUTORY,

INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE. IN NO EVENT SHALL

SELLER BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY NATURE.

Only genuine Meritor replacement parts are covered by this aftermarket parts warranty.

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888-725-9355 U.S.800-387-3889 CanadaMeritorPartsOnline.commeritor.com

©2015 Meritor, Inc.Litho in USA, PB-10108 Revised 01-15 (47865/11900)

Meritor Heavy Vehicle Systems, LLC7975 Dixie HighwayFlorence, Kentucky 41042 USA

Vehicle models, brands and names depicted herein are the property of their respective owners, and are not in any way associated with Meritor, Inc., or its affiliates.