Synthetic Diesel Oil

Synthetic Diesel Oils

AMSOIL Engine and Transmission Flush

Engine and Transmission Flush

Don't put clean oil in a dirty engine! Engineered for both gasoline and diesel engines and automatic transmissions. Helps improve operating efficiency, increase fuel economy and reduce emissions.

AMSOIL 5W-40 Diesel Oil

Synthetic 5W-40 Premium Diesel Oil

The premium choice diesel oil for model-year 2007 and newer heavy-duty and pickup truck diesel engines requiring API CJ-4 emission-quality oil standards. Delivers extraordinary lubrication in diesel engines in commercial, fleet and personal applications. Exceeds modern specs for emission-quality diesel oil.

Premium API CJ-4 Synthetic 15W-40 Diesel Oil

Synthetic 15W-40 Premium Diesel Oil

The premium choice diesel oil for model-year 2007 and newer heavy-duty and pickup truck diesel engines requiring API CJ-4 emission-quality oil standards. Delivers extraordinary lubrication in diesel engines in commercial, fleet and personal applications. Exceeds modern specs for emission-quality diesel oil.

AMSOIL 15W-40 Diesel Oil

SAE 15W-40 Heavy-Duty Diesel and Marine Motor Oil

Engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. High 12 TBN controls acids from combustion blow-by and EGR. Additives control soot thickening, oxidation and wear. Extended drain capabilities reduce downtime and motor oil expenses.

AMSOIL 5W-30 Diesel Oil

Series 3000 SAE 5W-30 Synthetic Heavy Duty Diesel Oil

Engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. Also engineered for all gasoline engines recommending API SL specifications including turbo-charged vehicles. Provides superior wear protection and fuel efficiency.

AMSOIL 15W-40 Synthetic Blend Diesel Oil

SAE 15W-40 Synthetic Blend Diesel Oil

Engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. High 12 TBN controls acids from combustion blow-by and EGR. Additives control soot thickening, oxidation and wear. Extended drain capabilities reduce downtime and motor oil expenses.

AMSOIL Synthetic Heavy-Duty Diesel Oil

Synthetic SAE 10W-30/SAE 30 Heavy-Duty Motor Oil

Exceeds both 10W-30 multi-grade and SAE 30 straight-grade viscosity requirements. Provides outstanding performance in pre-2007 diesel engines in on-road applications as well as all model-year diesel engines in off-road apps. Also recommended for gasoline engines requiring API SL or previous specifications.

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