What does the LBZ code stand for on Duramax diesel engines?

The LBZ variant of the Duramax from the 2006/2007 Chevy Silverado and GMC Sierra pickups is one of the most well-loved diesel engines by Chevy fans.
CarBuzz

GM's Diesel Engine That Can Run Over 1 Million Miles

Although it's hard to imagine that one of these powerplants could last for a million miles. However, more than one of these ...

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.
Jalopnik

3.0L Duramax Problems: Here's What Owners Report Most Often

About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...
GM Authority

How Does GM’s Duramax V8 L5P Engine Stack Up To The Competition?

The Duramax V8 L5P has a displacement of 6.6 liters, which is slightly smaller than the 6.7L engines offered by Ford and Ram. Despite this, the L5P delivers 470 horsepower at 2,800 rpm, making it ...
autoevolution

Chevrolet Silverado 1500 LZ0 Duramax vs. L87 Small Block: Which Engine Is Best for You?

Remember when the Ford Motor Company, General Motors, and what used to be Chrysler all offered light-duty pickup trucks with available turbo diesel oomph? Only the largest of the Detroit-based ...
autoevolution

Chevy Silverado vs GMC Sierra: Which Tows More, Which Uses Less Fuel and Which Is Cheaper?

Two brand-new 2025 trucks battle for the win. Which one is a better choice: the half-ton GMC Sierra or the heavy-duty Chevrolet Silverado? A fuel-efficient 3.0-liter Duramax or a 6.6-liter Duramax V8?