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GM LM7 Engine

The GM LM7 Engine is a reliable 5.3L V8 powerhouse from General Motors, produced for 2001–2007 Silverado, Sierra, and Tahoe models. Known for its aluminum heads, coil-near-plug ignition, and Duramax-inspired performance, it delivers 295–310 horsepower and 330 lb-ft of torque. This engine pairs seamlessly with automatic or manual transmissions for truck, SUV, and performance builds. Each used GM LM7 Engine is tested, inspected, and OEM-compatible, ensuring worry-free installation. For high-performance swaps or upgrades, consider pairing it with our T56 Transmission or check out other Chevy Silverado Engines for larger capacity builds.

12 in stock

Price range: $1,150.00 through $3,000.00

The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.

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Additional Information

Brand

General Motors

Conditions

Remanufactured, Used

Miles

70000-130000

Year Compatibility

1999–2007

Verified

Tried & Tested

Warranty

Up to 3 Months

What We Offer

The GM LM7 Engine is part of GM’s renowned LS family, offering a perfect balance of power, reliability, and affordability. Its 5.3L V8 design features a hydraulic roller camshaft, aluminum cylinder heads, and a cast-iron block, making it ideal for daily drivers, trucks, and performance enthusiasts. Known for its smooth power delivery and long-lasting durability, the LM7 continues to be a top choice for engine swaps and rebuilds.

2001–2003 Chevrolet Silverado / GMC Sierra

These early LM7 models produce 295 hp and 330 lb-ft of torque, offering excellent towing and hauling performance. With coil-near-plug ignition and a strong 4L60E transmission pairing, these engines deliver consistent performance for years. Truck owners enjoy reliable highway driving and plenty of upgrade potential for off-road or performance modifications.

2004–2007 Chevrolet Silverado / Tahoe

The updated LM7 engines maintain 310 hp and 335 lb-ft of torque, with enhanced EFI tuning and improved fuel efficiency. Compatible with 5-speed automatics or performance swaps, these engines excel in truck, SUV, and custom builds. Whether you are upgrading your Chevy Silverado engine or building a performance LS swap, the LM7 is ready for high-output, long-lasting use.

At Tagore Auto Parts, each LM7 engine is tested used, warranty-backed, and ready to ship nationwide. Explore our related engines like the Chevy Suburban 1500 Engine to complete your build with confidence.


Frequently Asked Questions

  1. Which vehicles use the GM LM7 Engine?

    Common in 2001–2007 Chevy Silverado, GMC Sierra, Tahoe, and Suburban models.

  2. Can the LM7 handle performance upgrades?

    Yes, it is swap-friendly and compatible with LS performance mods, T56 transmissions, and crate engines.

  3. Is this engine used or rebuilt?

    All engines are tested used to ensure OEM-level reliability

  4. How much horsepower and torque does it produce?

    295–310 hp and 330–335 lb-ft of torque, depending on year and variant.

  5. Does it come with a warranty?

    Yes, every GM LM7 Engine comes warranty-backed for peace of mind.

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GM LM7 Engine 1GM LM7 Engine
Price range: $1,150.00 through $3,000.00Select options