GM LB7 Engine Price range: $4,500.00 through $9,000.00Select options
GM LB7 Engine
The GM LB7 is a 6.6-liter Duramax turbo diesel V8 engine built to deliver exceptional towing power, long-lasting durability, and dependable performance. The first-generation Duramax diesel, featuring a cast-iron engine block, aluminum cylinder heads, and a high-pressure common-rail direct fuel injection system. Producing up to 300 horsepower and 520 lb-ft of torque, the LB7 is a trusted choice for heavy-duty trucks used for towing, hauling, and demanding daily work.Β
In Stock
$4,500.00 – $9,000.00Price range: $4,500.00 through $9,000.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
SKU: GM-LB7
Category: Used Engine
Tags: 6.6L Duramax Diesel Engine, Chevrolet LB7 Engine, Duramax LB7 Engine, GM 6.6L Duramax Engine, GM LB7 Engine, GMC LB7 Engine, LB7 Engine, Low Mileage LB7 Engine, Rebuilt GM LB7 Engine, Remanufactured GM LB7 Engine, Replacement GM LB7 Engine, Used GM LB7 Engine
Brand: General Motors
Additional Information
| Brand | General Motors |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 2001β2004 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
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Specifications
The GM LB7 engine is a proven 6.6-liter Duramax turbo diesel engine designed for drivers who need reliable power and durability. Built with a strong cast-iron block, aluminum cylinder heads, high-pressure common-rail direct injection, and a variable-geometry turbocharger-free design, it delivers smooth power, excellent low-end torque, and dependable performance under heavy loads. Itβs simple and robust design makes it popular among truck owners looking for a durable replacement engine with strong towing and hauling capabilities. Whether you’re replacing a failed engine or restoring your heavy-duty pickup, the LB7 engine is the one for you.Β
Engine Variants
2001β2004 Chevrolet Silverado 2500HD
The 2001β2004 Chevrolet Silverado 2500HD equipped with the 6.6L LB7 Duramax diesel engine was built for serious towing, hauling, and heavy-duty work. Paired with the Allison 1000 automatic transmission, it delivered impressive torque, dependable reliability, and excellent performance for both commercial and personal use.
2001β2004 Chevrolet Silverado 3500
The 2001β2004 Chevrolet Silverado 3500 featured the powerful 6.6L LB7 Duramax V8, making it an ideal choice for maximum payload and towing capacity. Designed for demanding jobs, it combined strong diesel performance with long-lasting durability, making it a trusted heavy-duty work truck.
2001β2004 GMC Sierra 2500HD
The 2001β2004 GMC Sierra 2500HD was powered by the 6.6L LB7 Duramax turbo diesel engine, offering outstanding towing capability, reliable performance, and smooth power delivery. Built for tough workloads, it became a popular choice among contractors, fleet operators, and recreational towing enthusiasts.
2001β2004 GMC Sierra 3500
The 2001β2004 GMC Sierra 3500 paired the LB7 Duramax diesel engine with a heavy-duty chassis to handle the toughest towing and hauling tasks. Known for its durability, strong torque output, and dependable performance, it remains a reliable option for drivers who need a capable heavy-duty pickup.
Frequently Asked Questions
Is the LB7 a good engine?
Yes, the LB7 is known for its strong performance, durability, and excellent towing capability, making it one of GM’s most reliable Duramax diesel engines.
What motor is better, LB7 engine or LBZ engine?
The LBZ is generally considered better due to its higher horsepower, improved injector design, and greater overall reliability.
What is an LB7 engine?
The LB7 is a 6.6L Duramax turbocharged V8 diesel engine produced by GM for heavy-duty Chevrolet and GMC trucks from 2001 to 2004.
How much HP does an LB7 engine have?
The LB7 produces up to 300 horsepower and 520 lb-ft of torque.
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