Collection: Used Jeep Engines For Sale

Browse Jeep 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.

Jeep Engines We Cover

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

Pentastar 3.6L V6 (Workhorse)

Wrangler JK/JL, Grand Cherokee, Cherokee, Compass, Gladiator (2011+). The most common modern Jeep engine — dual VVT, plastic intake. Highest demand in our Jeep inventory.

HEMI 5.7L V8

Grand Cherokee, Commander, Durango (2005+). Iron block, MDS variable displacement, dual spark per cylinder. The classic Mopar V8. Tested and warrantied.

HEMI 6.4L V8 SRT (392)

Grand Cherokee SRT, 392 Wrangler, Durango SRT (2012+). Performance-tuned HEMI — 470+ hp. Performance demand, tested and warrantied.

AMC 4.0L Inline-Six (Bulletproof)

Wrangler TJ, Cherokee XJ, Grand Cherokee ZJ/WJ (1987–2006). The legendary Jeep workhorse — iron block, simple, durable. Collector and rebuilder demand.

AMC 2.5L Inline-Four (Classic)

Wrangler YJ/TJ, Cherokee XJ, Comanche (1984–2002). Iron block, simple 4-cylinder companion to the 4.0L six. Tested and warrantied.

EcoDiesel 3.0L V6 (Turbo Diesel)

Grand Cherokee (2014+), Wrangler JL, Gladiator (2020+). VM Motori-built common-rail diesel — iron block, single turbo. Tested and warrantied where available.

Hurricane 2.0T Turbo I4 (4xe)

Wrangler JL, Cherokee, Compass Trailhawk, plug-in hybrid 4xe (2018+). Twin-scroll turbo, water-to-air intercooler. Tested and warrantied.

3.7L PowerTech V6

Liberty, Grand Cherokee WK, Commander (2002–2012). Iron block with aluminum heads — the V6 between the AMC 4.0L era and the Pentastar. Tested and warrantied.

3.8L V6 (Wrangler JK)

Wrangler JK 2007–2011. The pre-Pentastar Wrangler V6 — iron block, classic Mopar V6 layout. Tested and warrantied.

2.4L Tigershark MultiAir I4

Compass, Renegade, Patriot (2014+). Aluminum block with MultiAir hydraulic valve actuation. Tested and warrantied.

1.4L MultiAir Turbo I4 (Renegade)

Renegade, older Compass FWD/AWD. Compact Fiat-built turbo-four with MultiAir valve actuation. Tested and warrantied.

More Jeep Engines

Plus Mercedes OM642 3.0L CRD diesel (older Grand Cherokee WK), inline-4.2L six-cylinder AMC variants — text us your VIN.

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Why Buy a Used Jeep Engine from Auto Power Source

Jeep shares its engine portfolio with the wider Stellantis family — Pentastar 3.6L V6 and HEMI V8s come from Mopar's Dodge/Chrysler/Ram lineup, the EcoDiesel 3.0L V6 is built by VM Motori in Italy, and the Hurricane 2.0L turbo and 2.4L Tigershark are Fiat-engineered units. That cross-pollination is great for parts availability but treacherous for swaps: the 3.6L Pentastar alone has gone through multiple revisions since 2011 — early VVT solenoid issues, cylinder head fixes for cooling, and the 48-volt eTorque hybrid variant on later Wranglers. The 5.7L HEMI shares displacement with the SRT-tuned 6.4L and the supercharged 6.2L Hellcat (Trackhawk) — they are not interchangeable, and the wrong block won't bolt to your transmission. The classic 4.0L AMC inline-six is one of the most bulletproof engines ever sold in a Jeep, but TJ, ZJ, and XJ versions have different intake manifolds, exhaust manifolds, and accessory drives that need to match your application.

Our 400+ Jeep engines have each been pulled from low-mileage donor vehicles, cataloged by VIN, and held in our climate-controlled warehouse pending sale. Each unit clears our six-step process: VIN-matched to donor and target, ASE-certified compression test on every cylinder, leak-down evaluation, run-stand noise & smoke verification, full visual inspection of the long-block plus accessories and harnesses, multi-angle photographs sent for your approval, and palletized freight shipping. HEMI engines get extra MDS solenoid verification; EcoDiesel units get fuel-system pressure checks; Hurricane 2.0T units get oil-dilution and timing-chain assessment specific to that platform.

You pay a fraction of dealer-new pricing for identical Mopar engineering, ship free on a heavy-duty pallet to any address in the continental U.S., and you have 30 days from delivery to return for any reason — no restocking fees, no return freight charges. Up to a 3-year warranty covers you after install, and our six-step inspection has held our fitment-related return rate at 0% across 100,000+ Engines+Transmissions In Stock.

Your Jeep Engine Options: Compared

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

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

Jeep Engine Buying Guide

Five things to verify before buying a used Jeep engine:

1. Pentastar 3.6L has multiple revisions — they are not all interchangeable. Early Pentastar (2011–2013) had documented left-cylinder-head and VVT solenoid issues. The 2014+ revision addressed both. The eTorque 48-volt hybrid variant on Wrangler JL and Cherokee uses a different accessory drive and harness. Verify the engine code, not just “3.6L Pentastar.”
2. HEMI 5.7L vs 6.4L vs 6.2L Hellcat — three completely different engines. The 5.7L is the standard Mopar V8. The 6.4L (392) is a separate SRT-tuned naturally-aspirated unit with forged internals. The 6.2L Hellcat (Trackhawk) is supercharged. They share the HEMI valve cover styling but bolt patterns, engine mounts, and ECU calibration differ. Confirm exact displacement and aspiration before ordering.
3. HEMI MDS (Multi-Displacement System) requires verification. The cylinder-deactivation solenoid pack on 5.7L HEMI engines is a known wear item. Used HEMI engines should ideally come with documented MDS solenoid replacement or a pre-install plan to swap them. We can confirm condition on request.
4. AMC 4.0L is bulletproof but versions matter. TJ Wrangler, ZJ/WJ Grand Cherokee, and XJ Cherokee all share the AMC inline-six but have different intake manifolds (long vs short runner), exhaust manifolds, accessory brackets, and engine mounts. Confirm the donor chassis matches your vehicle.
5. EcoDiesel 3.0L emissions: confirm DEF and EGR state. VM Motori-built EcoDiesel V6 was subject to recall and modification. Some donors have post-recall calibrations, some pre-recall. Ask for DEF tank state, EGR cooler condition, and the recall history before purchase.

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

Learn More: Jeep Engine Guides

Practical guides from our team — how to install a used Jeep 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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