GM LY5 Engine Price range: $800.00 through $3,500.00Select options
GM LY5 Engine
The GM LY5 engine is a 5.3L V8 a dependable Generation IV small-block designed to deliver strong performance, durability, and everyday reliability. Producing up to 315β320 horsepower, it features a durable cast-iron block, 9.9:1 compression ratio, and proven cathedral-port cylinder heads. The LY5 was commonly used in Chevrolet Silverado 1500, Tahoe, Suburban 1500, and Avalanche, as well as GMC full-size trucks and SUVs, making it a reliable choice for replacement and repair applications.
In Stock
$800.00 – $3,500.00Price range: $800.00 through $3,500.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
SKU: GM-LY5
Category: Used Engine
Tags: 5.3L LY5 Engine, 5.3L V8 Engine, 5.3L Vortec Engine, Chevrolet LY5 Engine, Chevy LY5 Engine, GM 5.3L Engine, GM LY5 Engine, GM LY5 V8 Engine, GMC LY5 Engine, LY5 Engine, LY5 V8 Engine, Used GM LY5 Engine, Used LY5 Engine
Brand: General Motors
Additional Information
| Brand | General Motors |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 2007-2009 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
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Specifications
The GM LY5 engine is a 5.3L V8 Generation IV small-block engine built for durability, reliable power, and versatile performance. With 325 cubic inches of displacement, it produces approximately 315β320 horsepower and features a strong cast-iron block, cathedral-port cylinder heads, a 9.9:1 compression ratio, and the VIN code J. The LY5 was commonly installed in vehicles such as the Chevrolet Silverado 1500, Tahoe, Suburban 1500, and Avalanche, along with equivalent GMC full-size trucks and SUVs. Its proven design makes the LY5 a practical choice for replacement engines, repairs, and performance-oriented applications.
Engine Variants
LMG
The GM LMG 5.3L V8 is the flex-fuel version of the LY5, featuring the same durable cast-iron block and core architecture. It is designed to run on gasoline or E85 ethanol blends, making it a versatile option for compatible Chevrolet and GMC trucks and SUVs.
LMF
The GM LMF 5.3L V8 is a lower-volume variant introduced in 2008. Unlike the LY5, it does not feature Active Fuel Management (AFM) but includes Variable Valve Timing (VVT) for improved engine performance and efficiency. It was primarily used in select half-ton vans.
LH6
The GM LH6 5.3L V8 is the aluminum-block counterpart to the iron-block LY5. It features Active Fuel Management (AFM) and offers a lighter engine design while maintaining the dependable performance and versatility of GM’s 5.3L small-block V8 family.
Frequently Asked Questions
Is the LY5 a good engine?
The Chevrolet LY5 5.3L V8 is a very good and highly reliable engine that delivers 315 to 320 horsepower and around 338 lb-ft of torque.
What is the difference between the LMG and LY5 engines?
The main difference between a GM LY5 and LMG engine is that LMG is a flex-fuel variant iron-block 5.3L Generation IV V8, whereas the LY5 is designed for standard gasoline.
Did the LY5 have an AFM?
Yes, the LY5 comes equipped with a AFM (Active Fuel Management).
How much horsepower does a LY5 engine have?
A LY5 engine features about 315 to 320 hp depending on trim level and model year.
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