Collection: Used Chevy Engines For Sale

Browse Chevy Engines by Year

Pick your model year for VIN-matched 2018 or 2017 inventory. More year pages coming online weekly — if your year is not yet linked, text us your VIN and we will match you.

Chevy Engines We Cover

Real engines from our warehouse, tested and ready to ship. Our Chevy inventory spans every major engine family Chevy has produced for the U.S. market.

5.3L Vortec V8

Silverado 1500, Tahoe, Suburban, Avalanche (1999-present). GM's high-volume light-duty V8 — most-shipped Chevy V8 in our inventory.

6.2L LS3 V8

Camaro SS, Corvette C6/C7, SS sedan (2008-2017). GM's performance LS3 V8 — 426-430 hp, enthusiast favorite.

3.6L LFX V6

Camaro V6, Equinox, Traverse, Impala (2012-present). GM's modern DOHC HFV6 — direct injection, high-volume.

6.6L Duramax Diesel V8

Silverado HD 2500/3500 (2001-present). The LB7/LLY/LBZ/LMM/LML/L5P Duramax — workhorse heavy-duty diesel.

5.7L 350 Small-Block V8

C/K trucks, Camaro, Suburban, Tahoe (1990s era). Classic Chevy 350 small-block — legendary durability and parts availability.

6.0L Vortec V8 LS

Silverado HD, Express 2500/3500, Suburban HD. LS-family heavy-duty V8 — 2500/3500 series workhorse.

4.3L Vortec V6

Silverado 1500, Blazer, S-10, Express vans. 90-degree V6 derived from small-block V8 architecture.

2.4L Ecotec Inline-4

Cobalt, HHR, Malibu, Equinox, Captiva (2005-2015). GM's modern compact 4-cylinder — dual-overhead-cam, parts-rich.

2.0T Ecotec Turbo

Cobalt SS, HHR SS, Cruze (2008-present). Turbocharged Ecotec inline-4 — performance-oriented compact powerplant.

More Chevy Engines

Plus 5.3L Generation IV LS, 6.2L L86 EcoTec3, 2.0L Atkinson, 3.5L V6, 4.8L Vortec, and more — text us your VIN.

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Why Buy a Used Chevy Engine from Auto Power Source

Chevrolet's small-block V8 is one of the most-produced engines in automotive history — and its Vortec, LS, and Ecotec successors have kept GM a top-3 seller in the U.S. for decades. Our 1,900+ verified Chevy engines span every major Chevy engine family — from the 5.3L Vortec V8 in Silverado/Tahoe/Suburban to the LS3/LT1 performance V8s in Camaro and Corvette, through the Duramax diesels in Silverado HD, and the modern Ecotec 4-cylinders in Malibu/Equinox/Cruze.

Every Chevy engine we sell has been pulled from a low-mileage donor vehicle, cataloged by VIN, and held in our climate-controlled warehouse. Each unit went through our six-step inspection — VIN-matching, ASE testing, noise & smoke verification, full visual inspection, multi-angle photography, and palletized shipping. Our ASE-certified technicians do the testing; rejected units never reach the buyer. Chevy engines share displacements across many trim levels but differ in cam profile, ECU calibration, and emissions hardware — VIN-matching catches these subtleties before a wrong unit ships.

You pay a fraction of dealer-new pricing for identical Chevy engineering, ship free on a heavy-duty pallet anywhere in the continental U.S., and get 30 days from delivery to return for any reason — no restocking fees. Up to a 3-year warranty covers you if anything goes wrong after install. Across 100,000+ Engines+Transmissions In Stock, we have a 0% fitment-related return rate.

Your Chevy Engine Options: Compared

Most Chevy owners face four real choices when their engine fails:

Tested used OEM hits the sweet spot — same engineering as new, fraction of the cost.

Chevy Engine Buying Guide

Five things to verify before buying a used Chevy engine:

1. Match the engine code by VIN. Chevy engines often share displacement but differ in compression, valvetrain, and emissions hardware. A 5.3L Vortec has multiple generations (LM7, LMG, L83, L84) that are NOT interchangeable.
2. For LS-family V8s, verify AFM/DoD status. Active Fuel Management / Displacement on Demand lifters are a known wear point — ask whether AFM was deleted or if the lifters have been replaced.
3. For Duramax diesels, ask about injector history. LB7 injectors and LLY overheating are well-known issues; LMM/LML EGR systems are expensive if not maintained.
4. Verify trim, emissions, and transmission pairing. California-emissions ULEV, federal-emissions, and PZEV variants share displacement but use different ECU calibration and exhaust hardware. Auto vs. manual flywheel and starter geometry can differ at the same displacement.
5. Always run the donor vehicle VIN if available. We provide donor VIN on request — helping you verify mileage and service history before you commit.

Our ASE-certified technicians verify every one of these points against your VIN before any engine ships.

Learn More: Chevy Engine Guides

Practical guides from our team — how to install a used Chevy engine, what to check on delivery, and what really matters when buying online.

APS Preinstallation Guide

Step-by-step guide to properly installing a used engine — what to inspect, prep, and torque before first start.

Post-Install Maintenance Checklist

Keep your used engine running like new — the break-in period, oil intervals, and warning signs to watch for.

5 Things to Know Before Buying

Warranty terms, VIN matching, mileage, testing, return policy — the checklist every buyer should run through.

After Delivery: Inspection Guide

What to check the moment your engine arrives — freight damage, matching numbers, and what to photograph.

Frequently Asked Questions

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