World Class Lubricants • Independent AMSOIL Dealer
Diesel Truck Guide

AMSOIL for diesel trucks

Diesel pickups and heavy-duty trucks depend on more than engine oil. This page organizes the main AMSOIL categories for engine, fuel system, filtration and drivetrain maintenance.

Diesel truck guide graphic

Build the maintenance plan around the whole truck

Start with the correct diesel engine oil, then look at fuel-system care, filters, transmission fluid and differential gear oil. The exact products depend on your engine, transmission, axle specifications and operating conditions.

Heavy-duty commercial trucks

For buses, commercial trucks and other heavy-duty on-road applications, AMSOIL provides a dedicated lookup path separate from the light-truck guide.

Open Heavy-Duty On-Road Lookup