Synthetic SAE 15W40 CK-4 Oil 6 Gallon Bag In Box

The Synthetic SAE 15W40 CK-4 Oil 6 Gallon Bag In Box from Lucas Oil is specifically designed for heavy-duty diesel engines and vehicles operating under demanding conditions. This premium formulation is ideal for operators of late-model trucks, commercial fleets, and performance diesel platforms that require API CK-4 certification.

The 15W40 viscosity rating ensures optimal flow at low temperatures and maintains viscosity at high temperatures, which is crucial for diesel engine longevity and fuel injection system protection. The CK-4 API classification is tailored to meet the needs of modern diesel engines with advanced emissions systems, offering enhanced oxidation stability and superior protection against deposits.

This product is particularly beneficial for operators of 2017 and newer diesel trucks, including Cummins, Duramax, and Powerstroke engines, as well as commercial diesel equipment and generators. The 6-gallon bag-in-box format provides convenience for mechanics and fleet managers, reducing handling and storage overhead while ensuring consistent supply.