
GM LM7 Engine
The GM LM7 Engine is a reliable 5.3L V8 powerhouse from General Motors, produced for 2001β2007 Silverado, Sierra, and Tahoe models. Known for its aluminum heads, coil-near-plug ignition, and Duramax-inspired performance, it delivers 295β310 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
$1,150.00 – $3,000.00Price 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.

Additional Information
Brand | General Motors |
---|---|
Conditions | Remanufactured, Used |
Miles | 70000-130000 |
Year Compatibility | 1999β2007 |
Verified | Tried & Tested |
Warranty | Up to 3 Months |
What We Offer
- High-Quality Products
- Expert Installation Service
- Up to 90 Days of Warranty
- Affordable Pricing
- Wide Range of Products
- Positive Reputation
- Reliability
- Trust & Assurance
The GM LM7 Engine is part of GMβs 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.
2001β2003 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.
2004β2007 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
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Which vehicles use the GM LM7 Engine?
Common in 2001β2007 Chevy Silverado, GMC Sierra, Tahoe, and Suburban models.
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Can the LM7 handle performance upgrades?
Yes, it is swap-friendly and compatible with LS performance mods, T56 transmissions, and crate engines.
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Is this engine used or rebuilt?
All engines are tested used to ensure OEM-level reliability
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How much horsepower and torque does it produce?
295β310 hp and 330β335 lb-ft of torque, depending on year and variant.
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Does it come with a warranty?
Yes, every GM LM7 Engine comes warranty-backed for peace of mind.
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