Chevron Delo 400 SDE SAE 15W-40 is a super-premium conventional heavy-duty engine oil engineered with ISOSYN Advanced Technology for exceptional performance in both naturally aspirated and turbocharged four-stroke diesel and gasoline engines. This Costco case includes three 1-gallon jugs, providing an economical supply for fleets and commercial operators.

The oil delivers outstanding soot dispersancy and wear control, keeping cylinders, pistons, rings, and valve train components well protected against wear and corrosion. It is formulated to support engines equipped with Selective Catalytic Reduction (SCR), Diesel Particulate Filter (DPF), and Exhaust Gas Recirculation (EGR) emission control systems, extending DPF life and minimizing downtime and cleaning intervals.

Delo 400 SDE 15W-40 meets API Service Categories CK-4, CJ-4, CI-4 PLUS, CI-4, and CH-4, as well as the API SN gasoline engine standard. It is suitable for a wide range of applications including on-highway heavy-duty trucks, medium and light-duty diesel pickups, commercial trucks, agricultural equipment, waste haulers, buses, and construction and mining machinery. Its broad approval profile simplifies inventory management for mixed fleets.