GM L84 Engine Price range: $3,000.00 through $6,500.00Select options
GM L84 Engine
The GM L84 engine is a 5.3L V8 gasoline engine from General Motors’ modern EcoTec3 lineup, engineered for full-size trucks and SUVs. It features an aluminum block and heads, direct fuel injection, Variable Valve Timing (VVT), and Dynamic Fuel Management (DFM) for improved efficiency without sacrificing power. Designed to deliver strong low-end torque and smooth performance, the L84 engine balances work-ready capability with everyday drivability, making it a reliable replacement option for newer GM vehicles.
In Stock
$3,000.00 – $6,500.00Price range: $3,000.00 through $6,500.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
SKU: GM-L84
Category: Used Engine
Tags: 5.3L V8 Engine, Chevrolet 5.3 engine, EcoTec3 engine, GM direct injection engine, GM L84 engine, GM truck engine, GMC 5.3 V8, L84 motor for sale, L84 replacement engine
Brand: General Motors
Additional Information
| Brand | General Motors |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 2019–2024 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
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Specifications
The GM L84 engine is a 5.3-liter Generation V small-block V8 introduced around 2019 for GM full-size trucks and SUVs, producing 355 horsepower at 5,600 rpm and 383 lb-ft of torque at 4,100 rpm. Built with an aluminum block and heads and featuring an 11.0:1 compression ratio, it combines traditional pushrod V8 design with modern technologies like Direct Injection, Variable Valve Timing, and Dynamic Fuel Management (DFM), which can vary cylinder operation across multiple patterns to improve efficiency.
The L84 is widely used in models such as the Chevrolet Silverado 1500 and GMC Sierra 1500, offering strong mid-range torque for towing while maintaining improved fuel economy compared to earlier 5.3L variants.
Engine Variants
L84 (5.3L)
The L84 is a Generation V EcoTec3 V8 introduced for 2019+ GM trucks and SUVs. It features Dynamic Fuel Management (DFM), Spark Ignited Direct Injection (SIDI), and continuously variable valve timing. Rated at 355 horsepower and 383 lb-ft of torque, it delivers strong towing performance while improving fuel efficiency through advanced cylinder deactivation.
L82 (5.3L)
The L82 is closely related to the L84 but uses Active Fuel Management (AFM), which switches between eight and four cylinders under light load. It shares the same 355 horsepower and 383 lb-ft output, along with direct injection and an aluminum block design, offering proven V8 performance with traditional AFM operation.
L83 (5.3L)
The L83 is the predecessor to the L84, used mainly from 2014–2018 in GM full-size trucks and SUVs. It features AFM, direct injection, and variable valve timing. Producing 355 horsepower and 383 lb-ft of torque, it helped modernize the small-block platform with improved efficiency and emissions.
L87 (6.2L)
The L87 is the 6.2L high-output version of the same Generation V family. Equipped with DFM, direct injection, and variable valve timing, it typically produces 420 horsepower and 460 lb-ft of torque. It provides stronger acceleration and greater towing capability while maintaining improved efficiency through advanced cylinder management.
Frequently Asked Questions
What vehicles use the GM L84 engine?
The L84 engine is found in newer Chevrolet Silverado, GMC Sierra, Tahoe, Suburban, and Yukon models.
Is the GM L84 engine fuel-efficient for a V8?
Yes, Dynamic Fuel Management allows the engine to run on fewer cylinders when full power isn’t needed.
Does the L84 engine use cylinder deactivation?
Yes, it uses GM’s advanced DFM system instead of traditional AFM.
Is the GM L84 engine reliable for daily driving and towing?
With proper maintenance, it’s well-suited for both daily use and light-to-moderate towing.
Can the GM L84 engine be used as a direct replacement?
Yes, as long as engine codes, electronics, and emissions requirements are properly matched.
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