Castrol GTX CK-4 15W-40 Conventional Diesel Motor Oil 1 Gallon, Pack of 3

Premium quality lubricant formulated to provide exceptional lubrication for passenger car and light truck diesel engines where API CJ-4/SN is required.

• Provides exceptional protection from piston deposits, oil thickening and valve train wear while minimizing engine sludge formulation
• Engineered to provide exceptional performance in engines operating under severe service conditions including towing and hauling under high temperatures
• Special viscosity improvers, anti-wear, anti-oxidant and detergent additives protect and maintain cleanliness in hot running, heavy diesel and heavy duty gasoline engines
• Applicable for on and off road heavy duty 4-stroke trucks, gasoline and diesel light trucks and passenger cars where API CK-4, CJ-4, CI-4, CH-4, CG-4, CF-4, CF, SN are recommended