Chevron DELO® 400 SDE SAE 10W-30 Diesel Engine Oil is a heavy-duty engine lubricant engineered with ISOSYN® Advanced Technology to deliver reliable protection, durability, and performance in on-highway and mixed-fleet applications. Meeting the latest API CK-4 specification, this oil is designed for modern low-emission engines and remains backward compatible with older diesel models, making it ideal for fleets with diverse equipment.

Key benefits include:

• Outstanding wear protection for pistons, rings, and bearings under severe loads

• Improved oxidation stability, extending oil life and reducing deposits

• Excellent shear stability, maintaining viscosity even in high-stress duty cycles

• Cleaner operation, keeping engines free from harmful sludge and varnish

• OEM approvals from leading manufacturers, ensuring trusted performance across applications

Packaged in a 3/1 gallon case, this convenient size is perfect for service shops, fleet operators, and diesel vehicle owners who want manageable bulk supply. Chevron DELO 400 SDE SAE 10W-30 provides long-lasting protection, reduced downtime, and dependable performance, making it the trusted choice for on-highway engines and heavy-duty diesel operations.