This added layer of durability protection significantly reduces wear on bearings, rings, pistons, cylinders and valve trains. Exceeds API Service Categories for heavy-duty-diesel engine oil: CK-4, CJ-4, CI-4, CI-4 Plus and older.
Schaeffers 15W-40 SynShield Durability Advantage Engine Oil 15W40 3x Gallons
Schaeffers 15w40 Diesel Oil #700 Synthetic CK-4 | 15w-40 Diesel Motor Oil
3 Schaeffer’s 15W-40 700 Synshield Diesel Engine Oil 3 Gallons
6 Schaeffer’s 15W-40 700 Synshield Diesel Engine Oil 6 Gallons
Schaeffer's 700 SynShield® Durability Advantage Diesel Oil 15W-40. 9135
Schaeffer's 700 SynShield 15W-40 CK-4 Diesel Engine Oil 1 Gallon
