Zero-Mile Remanufactured
In Stock · 2 Units Left
Fraser Engines · 2.5L Jeep Engine Program · 🔥 Blazing Hot Seller
Order with a Product Specialist by phone Mon–Fri 8AM–5PM EST · Online ordering open 24/7 · Financing available
What’s Included
Your 2.5L Jeep inline-4 ships as a complete zero-mile long block with new wear components and every applicable Technical Service Bulletin update already applied.
Confirm your exact build: included components and application-specific procedures are listed on your written quote or order confirmation.
2.5L Jeep I4Fraser Engines Protection Options
Upgrade your coverage and add recommended installation products when placing your order. A Fraser Engines Product Specialist will confirm all selections before processing.
Entry-level No-Fault protection for the first year of ownership.
$99.00Extended No-Fault protection for two full years.
$199.00Three years of upgraded No-Fault protection.
$299.00Four-year No-Fault protection with Premium Pay benefits.
$399.00Maximum No-Fault protection with Premium Pay benefits.
$499.00Commonly recommended replacement components to support a professional engine installation. Contents and availability may vary by application.
Specially formulated to protect critical engine components during the initial break-in period while supporting proper ring seating.
Important: Warranty coverage, labor reimbursement, eligibility, limitations and claim requirements are governed by Fraser Engines’ written warranty terms and conditions.
Fraser Engines · 2.5L Jeep Engine Program
The 2.5L Jeep four-cylinder was used across older Jeep platforms and remains a popular replacement for owners who want to keep their YJ, TJ, XJ or MJ on the road with a properly matched engine. Fraser offers premium remanufactured 2.5L inline-4 solutions for classic Wrangler, Cherokee, Comanche and related applications.
Know the warning signs
The Jeep 2.5L inline-4 has a reputation as a durable, simple workhorse — but age, high mileage, heat cycles, poor maintenance and years of off-road use eventually lead to major mechanical failure.
Many 2.5L Jeep engines are decades old — rings, bearings, pistons, camshaft surfaces and cylinder walls may be worn.
Cooling-system neglect, clogged radiators, thermostat failure or water pump problems lead to overheating and cylinder head damage.
Valve cover, rear main and pan gasket leaks plus worn internal clearances create oil pressure concerns.
Older 2.5L engines develop lifter noise, rocker wear, timing set wear or general top-end noise.
Burned valves, worn rings, damaged pistons or cylinder sealing problems cause rough running and power loss.
Larger tires, off-road use, gearing changes and heavy loads make the 2.5L work harder over time.
The Fraser Advantage
A used 2.5L Jeep engine is hard to verify — most donors are older, high-mileage and pulled from vehicles with unknown maintenance history. A Fraser remanufactured 2.5L gives you a cleaner, stronger repair path with professional remanufacturing, fitment support and better long-term value than gambling on a salvage-yard engine. Whether you’re restoring a Wrangler, repairing a daily-driven Cherokee or keeping a trail rig dependable, Fraser makes the replacement cleaner, clearer and more reliable.
Repair or replace?
Some older 2.5L problems can be corrected with external repairs, ignition parts, fuel-system service, cooling repairs or gaskets. But low compression, internal knocking, severe overheating damage or heavy oil consumption usually means a replacement engine is the smarter, more reliable repair.
Know the difference
A used 2.5L may come from a donor with decades of wear, unknown oil-change history, past overheating, off-road abuse, larger-tire strain or prior repair work. Even if it runs, it may already have low compression, gasket leaks, bearing wear or cylinder head concerns. Instead of another tired used engine, you receive a professionally renewed replacement backed by Fraser’s powertrain-focused support.
| Feature | Used Salvage Engine | Fraser Remanufactured Engine |
|---|---|---|
| Internal mileage | Prior service mileage; documentation varies | Zero service miles since remanufacture |
| Maintenance & overheating history | Unknown — decades-old donors, off-road abuse | Rebuilt and inspected before shipment |
| Gasket & oil-leak condition | Existing leaks, worn clearances | New gaskets & seals throughout |
| Internal components | Existing components and wear | New pistons, rings, bearings, timing, gaskets & seals |
| Machine work | Typically none | Precision machining as required |
| Fitment verification | Varies by supplier | VIN-based verification |
| Warranty | Terms vary by supplier | 3-Yr / Unlimited-Mile parts & labor · No-Fault upgrades |
| Core return assistance | Varies by supplier | Free core pickup · Fraser support |
2.5L Jeep fitment matters
Jeep 2.5L fitment varies by model year, fuel system (TBI vs. MPI), emissions package, transmission pairing, sensor configuration and platform — so Fraser confirms fitment by VIN before purchase to make sure the correct replacement engine is quoted for your Jeep.
| Platform | Make | Model | Engine | Notes |
|---|---|---|---|---|
| YJ | Jeep | Wrangler YJ | 2.5L AMC Inline-4 | TBI (early) and MPI (later) configurations — confirm by VIN |
| TJ | Jeep | Wrangler TJ | 2.5L AMC Inline-4 | MPI; paired with manual or automatic — confirm by VIN |
| XJ | Jeep | Cherokee XJ | 2.5L AMC Inline-4 | Base engine on select trims; TBI and MPI variants |
| MJ | Jeep | Comanche MJ | 2.5L AMC Inline-4 | Pickup platform sharing XJ drivetrain |
VIN-specific matching: have your full 17-character VIN ready so our team can match the exact 2.5L replacement engine for your Jeep.
Answers before you order
Yes, for most owners. Used 2.5L donors are decades old with unknown maintenance, overheating and off-road history. A Fraser remanufactured 2.5L is a zero-mile, professionally renewed build with new pistons, rings, bearings, timing components, gaskets and seals, VIN-verified fitment and a 3-year / unlimited-mile warranty.
High-mileage wear of rings, bearings and cylinder walls; head gasket and overheating damage; oil leaks and low oil pressure; timing and valvetrain noise; misfires and poor compression; and extra strain from larger tires and off-road use.
Yes. Fitment varies by model year, fuel system, emissions package, transmission pairing and platform (YJ, TJ, XJ, MJ). Our team matches the correct engine to your full 17-character VIN before shipment.
Yes. Shipping and core pickup are free to any commercial address in the continental United States.
Yes. On top of the included 3-year / unlimited-mile parts & labor warranty, you can add 1- to 5-year No-Fault protection ($99–$499) at checkout.
Ready to replace your 2.5L Jeep engine?
Talk to a trained Fraser powertrain specialist today. We’ll verify fitment, explain warranty options, review core return details and provide a clear quote for your 2.5L Jeep replacement engine.
800-731-3177Press 1 for Sales · Mon–Fri 8AM–5PM EST · Online ordering open 24/7 · sales@fraserengines.com