Chevron DELO® 400 ZFA SAE 10W-30 Synthetic Technology Diesel Engine Oil is a premium fuel-efficient API CK-4 engine oil formulated with ISOSYN® Advanced Technology to deliver long-lasting protection, performance, and efficiency for commercial vehicles and on-highway fleets. Designed for use in modern low-emission engines and compatible with older equipment, this oil provides maximum versatility for mixed fleets.

Key features include:

• Improved fuel efficiency compared to higher viscosity grades, reducing operating costs

• Exceptional wear protection for pistons, rings, bearings, and valve trains

• Extended drain performance, minimizing downtime and maintenance expenses

• Outstanding oxidation resistance to keep engines cleaner and running longer

• OEM approvals from leading manufacturers for on- and off-highway applications

Packaged in a 3/1 gallon case, this size offers convenience for fleet operators, service shops, and owner-operators seeking easy handling with reliable supply. Chevron DELO 400 ZFA SAE 10W-30 ensures fuel savings, long engine life, and dependable protection for trucks, buses, and other commercial diesel-powered equipment.