GM LT4 Engine

GM LT4 Engine for Sale at Reliable Used Part

Need a GM LT4 Engine for a repair, replacement, or rebuild? Reliable Used Part lists options for Corvette ZR-1, Camaro ZL1 and CT5-V Blackwing models for model years 1996–2024, giving you a practical way to source a used engine without paying new-part prices. Explore our full used engine inventory or ask our team to confirm the details for your vehicle.

This engine is listed at Reliable Used Part with options from $5,000–$9,500. Your final price depends on the unit and option you choose, so ask our team to confirm availability, condition, included components, and shipping details before you order. Send us your VIN and we will help you choose the right GM LT4 Engine for your vehicle. Whether you are completing a repair or a full rebuild, the GM LT4 Engine is one of the most important parts to match correctly.

What Is the GM LT4 Engine?

The GM LT4 Engine is GM’s supercharged 6.2-liter V8 used in performance models such as the Corvette Z06, Camaro ZL1 and Cadillac CT5-V Blackwing, with an earlier 5.7L LT4 also covered.

Before you buy, make sure it matches your vehicle’s exact configuration, not just its model name. If you want a refresher on how this component works, read the Wikipedia overview of the internal combustion engine.

GM LT4 Engine Compatibility and Fitment

The GM LT4 Engine listing is intended for Corvette ZR-1, Camaro ZL1 and CT5-V Blackwing models for model years 1996–2024. Exact compatibility depends on the model year, trim, engine, and drivetrain, so verify fitment before ordering. Choosing a used GM LT4 Engine can be a practical way to control repair costs.

• Models: Corvette ZR-1, Camaro ZL1 and CT5-V Blackwing
• Model years: 1996–2024
• Engine and transmission options: 5.7L LT4 and 6.2L Supercharged LT4

How to Confirm Fitment Before You Buy

A few minutes of checking can save you a return. Before you order, confirm the following:

• Match the engine code, or the eighth character of your VIN, with the engine options listed for your vehicle.
• Confirm the model year, trim, displacement, and fuel type (gasoline, diesel, or hybrid).
• Note features that affect compatibility, such as turbocharging, direct injection, or variable valve timing.
• Check whether you also need related components such as the intake, wiring harness, sensors, or ECU.
• Ask our team to confirm availability, included components, and condition details before you order.

You can decode your VIN with the NHTSA VIN decoder and check for open safety recalls on the NHTSA recalls page before you start a major repair.

Signs You May Need a Replacement Engine

These common symptoms may mean it is time to look at a replacement engine:

• Persistent knocking, ticking, or tapping noises from inside the engine
• Excessive oil consumption, oil leaks, or blue smoke from the exhaust
• Repeated overheating or coolant loss without an external leak
• Rough running, misfires, or low compression on one or more cylinders
• Metal particles in the oil, or a check engine light that returns after repairs

These symptoms can point to serious internal wear, but smaller faults can cause them too, so have a qualified technician diagnose the vehicle before you commit to a replacement.

Why Buy a Used Engine from Reliable Used Part?

Reliable Used Part helps drivers and shops across the United States source used engines at practical prices. Our team can review your VIN, confirm GM LT4 Engine fitment, and explain warranty terms before you order. Nationwide USA shipping is available, so contact Reliable Used Part for a quote and delivery estimate. Our team can walk you through the GM LT4 Engine options so you can order with confidence.

Working on more than one component? You may also want to look at our GM L83 Engine, GM 5.3 Vortec Engine and GM LS6 Motor, or browse the full used engine inventory. Ordering a GM LT4 Engine online should be simple, which is why our team can answer fitment questions before you buy. You can also see all General Motors engine listings.

GM LT4 Engine FAQs