Choosing The Right Oil For Your Duramax When the Duramax 6.6-liter engine first came out in 2001, GM recommended three motor oil weights.

Convenience Package includes (A31) power windows and (AU3) power door locks Transmission oil cooler, external (Deleted when (LWN) 2.8L Duramax Turbo Diesel engine is ordered.) Rear wheel drive ...

All 6.6-liter Duramax engines require 10 quarts of motor oil. Pre-2008 Duramax engines require CH-4 or CG-4 oil, while engines made after require CJ-4.

The 3.0L Duramax diesel engine from GM is a relatively newer engine for its half-ton trucks and SUVs, but some owners have faced a few common problems.

Diesel Power shows you how to modify your Duramax diesel for maximum performance while keeping it stock-looking.