A PREMIUM ENGINE OIL FOR THE HARDEST WORKING MIXED FLEETS.

INTRODUCING PHILLIPS 66® GUARDOL® NG-D 15W-40Whether it’s buses, trucks, or vans, fleets with multiple types of engines benefit from carrying a single engine oil formulated to protect

every vehicle they operate. Phillips 66 Guardol NG-D 15W-40 is formulated for use in mixed fleets with diesel, CNG/LNG and gasoline

engines. It is licensed for use in diesel-conversion natural gas powered engines found in transit buses, school buses, delivery trucks

and other vehicles. It is also API CK-4/SN licensed for use in traditional diesel applications and gasoline engines. This type of versatility

allows mixed fleets to pour a single engine oil in all their vehicles, saving time, inventory space and money while making regular

maintenance easier.

Benefits• Designed for engines fueled by diesel

or natural gas (CNG)• High dispersancy protects against

sludge and varnish formation• Outstanding resistance to oxidation

and nitration• Protects against scuffing and wear• Protects against valve stem deposits

and valve seat recession• Protects against rust and corrosion• Extended drain capable

Applications• Transit buses, school buses, delivery

trucks, and other vehicles operating on CNG or natural gas

Guardol NG-D is OEM-certified for:• Cummins CES 20092• API CK-4

Guardol NG-D meets the performance requirements of:• Detroit Diesel DFS 93K222• Cummins CES 20086• Volvo VDS 4.5

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