AMSOIL products are formulated to keep trucks and equipment on the job longer and reduce maintenance costs
4x better wear protection*
AMSOIL Heavy-Duty Synthetic Diesel Oil is engineered to provide 4X better wear protection than required by a leading engine manufacturer’s standard*, giving you the edge to keep trucks and equipment on the job longer.
A diesel truck is a serious investment – don’t skimp on protection. AMSOIL synthetic diesel oils provide the ultimate protection for your hard-working diesel engine, preserving the horsepower you crave and keeping you on the road.
The AMSOIL CI-4+ synthetic diesel oil lineup provides additional high-quality options for pre-2007 diesel applications not equipped with diesel particulate filters (DPF).
6X better wear protection*
Diesel Motor Oil / Engine Oil Formulated with top-grade synthetic technology and maximum additive fortification, Signature Series Max-Duty Synthetic Diesel Engine Oil provides 6X better wear protection than required by a leading engine manufacturer’s standard* – it’s protection boosted to the max.