spark plugs - autoliteacdelco double platinum spark plugs an ideal plug for vehicles requiring...
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Spark PlugsCatalogue: Issue 3.2
4
ACDelco REGULAR SPARK PLUGS
With coverage for most older vehicles on the road today and robust long-life design, ACDelco Regular Spark Plugs are an economical choice for solid performance.
Features and Benefits
Copper-core centre electrode that helps provide improved heat transfer to the tip, giving you the reliability you’re looking for while improving its resistance to low-speed carbon fouling.Precisely engineered and manufactured to provide everyday reliability and efficient performance.The hot-tip insulator heats fast and fires hot.The nickel-chrome alloy on the ground electrode and centre electrode sheathing resists wear from spark erosion and the corrosive environment of the combustion chamber.
regular spark plugsAbout ACDelco
Buttress top insulator has a long flashover path
Super ceramic insulator exhibits near-diamond hardness for durability
Nickel alloy centre electrode with a copper core
Nickel alloy ground electrode
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About ACDelcoplatinum (rapidfire®) spark plugs
ACDelco PLATINUM (RAPIDFIRE®) SPARK PLUGS
Designed for today’s most popular vehicles, ACDelco’s (Rapidfire®) Platinum Spark Plug fits engines using conven-tional plugs, as well as newer vehicles requiring platinum performance.
Features and Benefits
Ribless insulator that improves the plug-to-boot seal.Tapered centre wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage.One-piece integral suppressor seal helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life and seals against compression leakage.When compared to regular spark plugs:- Reduced sparking voltage - Greater corrosion protection.Longer life and improved efficiency over regular plugs.
Ribless insulator improves plug-to-boot seal
Nickel-plated shell
Extended firing location for enhanced combustion
Tapered and columned centre wire electrode with a platinum pad
Clipped ground electrode
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ACDelco DOUBLE PLATINUM SPARK PLUGS
An ideal plug for vehicles requiring platinum performance or older vehicles calling for conventional plugs, ACDelco’s Double Platinum Spark Plugs can give up to 100,000 kms* of service in some applications.
* Maintenance needs vary with different uses and conditions. See vehicle Owner’s Manual for more information.
Features and Benefits
Dual platinum tip for improved resistance to spark erosion and corrosive combustion chamber environment. A platinum centre electrode and a platinum pad lower the ignition demand voltage.One-piece integral suppressor seal helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life and seals against compression leakage.Designed with a corrosion resistant shell.Spark gap remains virtually unchanged during the life of the plug.
double platinum spark plugsAbout ACDelco
Ribless insulator improves plug-to-boot seal
Nickel-plated shell
Platinum tip centre wire electrode
Platinum tip ground electrode
53
Spark Plug Specificationsregular spark plugs
ACDelco Regular Spark Plugs (Common characteristics - J type electrode, Resistor style except for 42XLS & 43XLS which are a Non Resistor style)
Refer toIllustrationon page 55
1 2 3 3 4 5 6 7 8 9 10 12 13 14
ACDelco Part #
Insulator Barrel
Diameter
Installed Height (mm)
Reach (mm)
Reach (")
Spark Location
(mm)
Gap (mm)
Max. Side Wire Projection
(mm)
Side Wire Thickness
(mm)
Side Wire Width (mm)
Thread Pitch
"Hex Size (Socket Size -
Inches)"
IMEP Heat Range Value
(The lower the heat range the hotter the plug)
Seat Type
Terminal Type
(Solid or Loose)
Insulator Profile
(Ribbed or Smooth)
41602 10.24 50.50 19.05 3/4" 3.38 0.89 6.35 1.52 2.79 M14x1.25 5/8" 320 Flat Solid Smooth
41629 10.24 50.98 19.05 3/4" 3.38 0.89 6.35 1.52 2.79 M14x1.25 5/8" 240 Flat Solid Smooth
42XLS 12.29 56.49 19.05 3/4" 3.38 0.89 6.50 1.52 2.79 M14x1.25 13/16" 320 Flat Solid Ribbed
43XLS 12.20 56.90 19.05 3/4" 3.42 0.70 5.72 1.60 2.60 M14x1.25 13/16" N/A Flat Loose Ribbed
CR42XLSX 12.20 56.90 19.05 3/4" 3.00 1.10 5.70 1.62 2.70 M14x1.25 13/16" N/A Flat Loose Ribbed
FR1LS 10.50 50.50 19.05 3/4" 3.38 0.89 6.35 1.52 2.79 M14x1.25 5/8" 375 Flat Solid Ribbed
FR2LS 10.50 50.50 19.05 3/4" 2.98 1.00 5.58 1.60 2.70 M14x1.25 5/8" 320 Flat Solid Ribbed
FR3LS 10.50 50.50 19.05 3/4" 3.00 1.00 5.30 1.30 2.50 M14x1.25 5/8" N/A Flat Loose Ribbed
R42LTS 10.50 51.46 17.25 11/16" 3.38 1.12 6.80 1.52 2.79 M14x1.25 5/8" 280 Conical Solid Ribbed
R42LTS6 10.50 51.46 17.25 11/16" 3.38 1.52 6.60 1.27 2.79 M14x1.25 5/8" 240 Conical Solid Ribbed
R42XLS 12.29 56.49 19.05 3/4" 3.38 0.89 6.50 1.52 2.79 M14x1.25 13/16" 320 Flat Solid Ribbed
R43S 12.20 62.56 9.40 3/8" 3.38 0.89 6.10 1.27 2.54 M14x1.25 13/16" 240 Flat Solid Ribbed
R43T 10.52 57.79 10.92 7/16" 1.12 1.02 3.90 1.27 2.79 M14x1.25 5/8" 250 Conical Solid Ribbed
R43XLS 12.29 56.49 19.05 3/4" 3.38 1.02 6.60 1.52 2.79 M14x1.25 13/16" 275 Flat Solid Ribbed
R44LTS6 10.50 51.46 17.25 11/16" 3.38 1.52 7.00 1.27 2.79 M14x1.25 5/8" 240 Conical Solid Ribbed
R44TS 10.90 60.25 11.00 7/16" 3.38 1.12 6.50 1.27 2.79 M14x1.25 5/8" 245 Conical Solid Ribbed
R44XLS 12.29 56.49 19.05 3/4" 3.38 1.02 6.35 1.27 2.79 M14x1.25 13/16" 250 Flat Solid Ribbed
ACDelco Regular Spark Plugs (Common characteristics - J type electrode, Resistor style)
Refer toIllustrationon page 55
1 2 3 3 4 5 6 7 8 9 10 12 13 14
ACDelco Part #
(Euro style numbers)
Insulator Barrel
Diameter
Installed Height (mm)
Reach (mm)
Reach (")
Spark Location
(mm)
Gap (mm)
Max. Side Wire Projection
(mm)
Side Wire Thickness
(mm)
Side Wire width (mm)
Thread Pitch
"Hex Size (Socket Size -
Inches)"
Heat Range (0 = cold, 9 = hot)
Seat Type
Terminal Type
(Solid or Loose)
Insulator Profile
(Ribbed or Smooth)
R4600 10.50 53.00 17.50 11/16" 3.00 1.10 5.73 1.60 2.70 M14x1.25 5/8" 4 Conical Loose Ribbed
R5602* 10.50 50.20 19.05 3/4" 5.70 0.80 5.80 1.80 3.00 M14x1.25 5/8" 5 Flat Solid Smooth
R5610 10.50 50.50 19.05 3/4" 4.90 1.10 7.60 1.60 2.70 M14x1.25 5/8" 5 Flat Solid Ribbed
R6602 10.50 53.00 17.50 11/16" 3.00 0.90 5.50 1.60 2.70 M14x1.25 5/8" 6 Conical Loose Ribbed
R6606 12.20 56.90 19.05 3/4" 3.08 1.10 5.98 1.80 2.80 M14x1.25 5/8" 6 Flat Loose Ribbed
R8602 10.50 50.50 19.05 3/4" 4.80 1.10 7.50 1.60 2.70 M14x1.25 5/8" 8 Flat Solid Ribbed
R9601 12.20 56.90 19.05 3/4" 4.48 1.10 7.18 1.60 2.70 M14x1.25 13/16" 9 Flat Loose Ribbed
* Two electrodes
Spark Plug Specifications
ACDelco Platinum Spark Plugs (Common characteristics - Resistor style, Solid Terminal type, Smooth Insulator Profile, J type electrode)
Refer toIllustrationon page 55
1 2 3 3 4 5 6 7 8 9 10 11 12
ACDelco Part #
Insulator Barrel
Diameter (mm)
Installed Height (mm)
Reach (mm)
Reach (")
Spark Location
(mm)
Gap (mm)
Max. Side Wire Projection
(mm)
Side Wire Thickness
(mm)
Side Wire Width (mm)
Thread Pitch
Hex size (Socket Size -
Inches)
IMEP Heat Range Value
(The lower the heat range the hotter the plug)
Electrode Enhancements
Seat Type
AC2 10.90 62.69 10.92 7/16" 3.38 1.12 6.52 1.27 2.79 M14x1.25 5/8" 220
Single platinum pad on the center
electrode with corners of ground electrode
trimmed off
Conical
AC3 10.49 51.38 17.25 11/16" 3.37 1.12 6.52 1.52 2.79 M14x1.25 5/8" 240
Single platinum pad on the center
electrode with corners of ground electrode
trimmed off
Conical
AC4 11.76 56.49 19.05 3/4" 3.38 1.02 6.47 1.52 2.79 M14x1.25 13/16" 320
Single platinum pad on the center
electrode with corners of ground electrode
trimmed off
Flat
AC5 10.24 50.98 19.05 3/4" 3.38 1.12 6.52 1.52 2.79 M14x1.25 5/8" 280
Single platinum pad on the center
electrode with corners of ground electrode
trimmed off
Flat
AC6 10.49 51.38 17.25 11/16" 4.82 1.12 7.97 1.27 2.79 M14x1.25 5/8" 240
Single platinum pad on the center
electrode with corners of ground electrode
trimmed off
Conical
AC8 10.49 52.71 17.25 11/16" 3.37 0.89 6.29 1.52 2.79 M14x1.25 5/8" 280
Single platinum pad on the center
electrode with corners of ground electrode
trimmed off
Conical
AC14 10.49 51.38 17.25 11/16" 3.37 1.52 6.93 1.27 2.79 M14x1.25 5/8" 240
Single platinum pad on the center
electrode with corners of ground electrode
trimmed off
Conical
platinum (rapidfire®) spark plugs
54
55
Spark Plug Specificationsdouble platinum spark plugs
ACDelco Double Platinum Spark Plugs (Common characteristics - Resistor style, Solid Terminal type, Smooth Insulator Profile, J type electrode)
Refer toIllustrationon page 55
1 2 3 3 4 5 6 7 8 9 10 11 12
ACDelco Part #
Insulator Barrel
Diameter (mm)
Installed Height (mm)
Reach (mm)
Reach (")
Spark Location
(mm)
Gap (mm)
Max. Side Wire Projection
(mm)
Side Wire Thickness
(mm)
Side Wire Width (mm)
Thread Pitch
Hex size (Socket Size -
Inches)
IMEP Heat Range Value
(The lower the heat range the hotter the plug)
Electrode Enhancements
Seat Type
41800 10.24 50.98 19.05 3/4" 3.38 1.12 6.60 1.52 2.79 M14x1.25 5/8" 275Platinum pad on the center electrode with a platinum
pad on the ground electrode Flat
41801 10.24 50.98 19.05 3/4" 3.38 1.12 6.60 1.52 2.79 M14x1.25 5/8" 320Platinum pad on the center electrode with a platinum
pad on the ground electrode Flat
41802 11.76 56.49 19.05 3/4" 3.38 1.12 6.60 1.52 2.79 M14x1.25 13/16" 275Platinum pad on the center electrode with a platinum
pad on the ground electrode Flat
41804 11.76 56.49 19.05 3/4" 3.38 0.86 6.35 1.52 2.79 M14x1.25 13/16" 320Platinum pad on the center electrode with a platinum
pad on the ground electrode Flat
41805 10.50 52.78 17.25 11/16" 4.83 1.37 7.90 1.27 2.79 M14x1.25 5/8" 245Platinum pad on the center electrode with a platinum
pad on the ground electrode Conical
41806 10.24 50.98 19.05 3/4" 4.75 1.12 7.90 1.52 2.79 M14x1.25 5/8" 275Platinum pad on the center electrode with a platinum
pad on the ground electrode Flat
41810 10.50 52.78 17.25 11/16" 3.38 1.12 6.50 1.52 2.79 M14x1.25 5/8" 280Platinum pad on the center electrode with a platinum
pad on the ground electrode Conical
41814 10.90 49.66 24.94 1" 3.38 1.3 6.70 1.52 2.79 M14x1.25 5/8" 350Platinum pad on the center electrode with a platinum
pad on the ground electrode Conical
41825 10.24 52.98 19.05 3/4" 3.38 1.12 6.50 1.52 2.79 M14x1.25 5/8" 320Platinum pad on the center electrode with a platinum
pad on the ground electrode Flat
41826 10.90 62.74 10.95 7/16" 3.38 1.78 7.00 1.27 2.79 M14x1.25 5/8" 220Platinum pad on the center electrode with a platinum
pad on the ground electrode Conical
41833 11.76 62.56 9.40 3/8" 3.45 0.86 6.10 1.27 2.54 M14x1.25 13/16" 240Platinum pad on the center electrode with a platinum
pad on the ground electrode Flat
41834 10.50 55.68 25.00 1" 3.38 1.27 6.17 1.52 2.79 M14x1.25 5/8" 320Finewire platinum center electrode with a platinum
pad on the ground electrodeConical
41835 10.24 50.95 25.00 1" 3.38 1.12 6.02 1.52 2.79 M14x1.25 5/8" 320Finewire platinum center electrode with a platinum
pad on the ground electrodeFlat
41942 10.49 51.38 17.25 11/16" 3.37 1.27 6.25 1.27 2.79 M14x1.25 5/8" 240Platinum pad on the center electrode with a platinum
pad on the ground electrode Conical
41963 10.49 52.79 17.25 11/16" 3.37 1.27 6.75 1.27 2.79 M14x1.25 5/8" 280Finewire platinum center electrode with a platinum
pad on the ground electrode Conical
56
Spark Plug Specificationsillustration
14
10
6 412
9
25
11
8
See Detail “B”
Detail “B”1
13
3
7
1 2 3 3 4 5 6 7 8 9 10 11 12 13 14
ACDelco Part #
Insulator Barrel
Diameter
Installed Height (mm)
Reach (mm)
Reach (")
Spark Location
(mm)
Gap (mm)
Max. Side Wire Projection
(mm)
Side Wire Thickness
(mm)
Side Wire Width (mm)
Thread Pitch
"Hex Size (Socket Size -
Inches)"
Electrode Enhancements
Seat Type
Terminal Type
(Solid or Loose)
Insulator Profile
(Ribbed or Smooth)
Spark Plug Specificationsmetric / imperial gap conversion table
mm
inches
0.4
.016
0.5
.020
0.6
.024
0.7
.028
0.8
.032
0.9
.036
1.0
.040
1.1
.044
1.2
.048
1.3
.052
1.4
.056
1.5
.060
1.6
.064
2.0
.080
Available from:
ACD020913
1800 ACDelco acdelco.com.au