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 versions from each other.
Motor Trend

Chevy LBZ Duramax Diesel Upgrades

General Motors makes a great heavy-duty truck, with the Duramax engine rivaling the legendary Cummins for power potential and the Allison transmission in a league of its own. That said, there is ...
GM Authority

GM 6.6 Liter LB7 V-8 Duramax Turbo Diesel Engine

The 6.6-liter LB7 Duramax turbo-diesel engine was the result of a joint effort between General Motors and Isuzu, and was utilized by the first-generation Chevrolet Silverado HD and GMC Sierra HD. The ...
Motor Trend

Half-Dayin’ It: Tackling the Dreaded Water Pump Replacement on an LBZ Duramax…In Four Hours

Thanks to its reliability, fuel efficiency, and performance potential, GM’s 6.6L Duramax diesel enjoys a very loyal following in the heavy-duty pickup segment. One of the most sought after engines of ...
SlashGear

Duramax Diesel Generations By Year: A Complete History

General Motors' Duramax engine is one of the most legendary diesel engines, next to Ford's Power Stroke and the Cummins diesel engines in trucks like the Dodge Ram. But while it may not have the ...