What're the differences between Duramax LML, L5P, LB7, and LBZ diesel engines?

The Duramax diesel engine has seen quite a few changes over the years. Here's what separates some of the most popular ...
GM Authority

GM Releases Fix For 2024 GMC Sierra HD Duramax Selective Catalyst Reduction Fault

General Motors has initiated a Service Update for the 2024 GMC Sierra HD, addressing an issue with the 6.6L V8 L5P turbodiesel Duramax engine. According to the update, affected units may not ...

10 of the most reliable diesel pickup trucks in North America

RealTruck.com reports on the latest truck accessories, featuring new products to enhance vehicle performance and style.
Motor Trend

A Peek Inside the Duramax L5P

General Motors first introduced the 6.6L Duramax V-8 diesel engine for its ’01 Chevrolet and GMC light trucks. GM cooperatively designed and built the engine with Isuzu to replace the 6.5L oil-burner ...