The GM LC9 is a 6.2L V8 engine from General Motors, built for full-size trucks, SUVs, and performance applications. It blends classic V8 power with modern efficiency features, including Active Fuel Management (AFM) and variable valve timing (VVT). Known for its strong performance, reliability, and smooth driving experience, the LC9 powers popular models like the Chevrolet Silverado, GMC Sierra, and Cadillac Escalade, offering an excellent balance of raw power and everyday usability.
Features
Tested Engine with Warranty
Hassle-Free Returns Available
Live Customer Support
Direct Fit for Your Vehicle
Description
The GM LC9 engine delivers a potent combination of performance, durability, and advanced engineering, making it a standout choice for trucks, SUVs, and high-performance vehicles. Designed to handle demanding towing, hauling, and spirited driving, the LC9 produces approximately 403 horsepower and 417 lb-ft of torque, providing impressive low-end grunt and confident acceleration. Built with an aluminum block and heads to reduce weight without sacrificing strength, the LC9 incorporates direct fuel injection for precise fuel delivery, variable valve timing (VVT) to optimize airflow across the RPM range, and Active Fuel Management (AFM), which deactivates half of the cylinders under light-load conditions to improve fuel efficiency.
This engine is engineered to deliver power when you need it while conserving fuel when you don’t. The GM LC9 powers vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade, making it a preferred choice for drivers seeking dependable V8 performance with modern technology and efficiency.
LC9 fitment requires matching your specific model year and application. The LC9 was used in 2007–2013 production alongside the iron-block LM7 and other 5.3L variants. The 4WD application requires correct transfer case output configuration. Our VIN verification confirms the exact LC9 for your vehicle before it ships.
GM truck and SUV owners comparing a used engine, a remanufactured engine, and an OEM engine for the LC9 will find the used OEM route most cost-effective. A used GM LC9 engine from a verified low-mileage donor gives you the factory aluminum-block Gen IV 5.3L as an OEM engine — the factory AFM calibration, the lightweight aluminum construction, the factory 315 hp output — at a price that no remanufactured engine from a heavier iron-block core delivers at equivalent specification. Choosing a used LC9 OEM engine restores the factory fuel economy and capability balance GM built into this engine.
Every used GM LC9 engine ships with up to a 90-day warranty and arrives within 2 to 5 business days. Installation is not included. These are genuine GM OEM engines, and we stand behind every unit.
Specifications
Product Type
Engine
Displacement (Engine Size)
6.2L V8
Fuel Type
Gasoline
Availability
In Stock
Shipping
Nationwide Available
Use Case
Ideal for performance builds, swaps, and replacements
Frequently Asked Questions
Is the LC9 a good engine?
The GM LC9 5.3L V8 engine offers a solid balance of power and efficiency, making it a popular choice for many GM trucks and SUVs. However, it has been associated with issues such as excessive oil consumption and potential lifter failures, particularly in models equipped with Active Fuel Management (AFM) systems.
Can you modify an LC9 engine?
The LC9 engine is highly modifiable, supporting everything from basic bolt-on upgrades to advanced internal enhancements like increased displacement. It reacts well to popular LS and Vortec performance upgrades, including camshaft swaps, forced induction (superchargers or turbochargers), and upgraded cylinder heads.
How much horsepower does a LC9 engine have?
The GM LC9 5.3L V8 engine produces around 320 horsepower and 335 lb-ft of torque. It delivers a strong balance of power and efficiency for trucks and SUVs.
Is the LC9 engine aluminum or iron?
The LC9 engine features an iron block with aluminum cylinder heads, combining durability with lighter-weight components for better efficiency and performance.
What cars use the LC9 engine?
The LC9 5.3L V8 powers several GM trucks and SUVs, including theChevrolet Silverado, GMC Sierra, Chevrolet Tahoe, and GMC Yukon. It’s favored for its balance of power, efficiency, and reliability in full-size vehicles.
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Shipping Policy
Our shipping policy is flexible, as the shipping charges depend on the location. A few certain remote regions like CO, UT, NY, OR, & CA may have additional shipping charges or delivery fees. However, some circumstances may cause delays, but we always strive to deliver your order as quickly as possible.
Please note that all shipping times are estimates and not guaranteed. We examine all rebuilt and used engines before shipment and aim to provide high-quality used engines and transmissions. Shipping details and fees will be disclosed to consumers before any transactions are made. Our team is operational 24/7, and you can call us at +1-888-799-0188 to place an order.
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