2002 Chevrolet Silverado 3500 Ext Cab 157.5" WB DRW LS

In collaboration with Isuzu the GM Duramax LB7 was one of the most popular diesel engines built in modern times. Why was/is the LB7 Diesel engine so popular?

1. No Emissions Equipment (Pre-DPF, Pre-EGR)

• No EGR (Exhaust Gas Recirculation)

• No DPF (Diesel Particulate Filter)

• No DEF (Diesel Exhaust Fluid)

This makes it one of the last "clean and simple" diesel engines. No emissions hardware = fewer headaches and better reliability.

2. Strong Engine Block & Internals

• Built with forged steel connecting rods, strong cast iron block, and high-strength aluminum heads.

• Known for handling 500–600+ hp with relatively simple upgrades.

• Durable and robust even under heavy loads and towing conditions.

3. First Common-Rail Diesel in a Light-Duty Truck

• The LB7 introduced Bosch high-pressure common-rail injection to GM trucks.

• Improved power, fuel efficiency, and much smoother operation compared to older mechanical-injection diesels.

4. Excellent Fuel Economy

• LB7s routinely get 18–22 mpg unloaded, especially in 2WD trucks.

• Considered very fuel-efficient for a 6.6L V8 diesel.

5. Simpler Electronics

• Compared to later Duramax generations, the LB7 has fewer sensors, modules, and programming quirks.

• Easier to troubleshoot and modify, especially for older-school mechanics or DIYers.

Our dealer fee is ONLY $199 for all cars in stock! Low cost warranties available for most cars. See this vehicle today at FWB Auto Brokers, 1697 W HWY 98, Mary Esther FL 32569. Need help with financing or have a question? Call us at 850-581-0893. Open 9a-6p Mon-Fri and 9a-5p on Saturdays.