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Remanufactured 2.5L Jeep Engine | Wrangler YJ / TJ, Cherokee XJ, Comanche MJ | Fraser Engines

Fraser Engines · 2.5L Jeep Engine Program · 🔥 Blazing Hot Seller

Remanufactured 2.5L Jeep Engine Assembly

SKU: FECC25J● In StockOnly 2 left
Your cost$2,599.00No upfront core charge
  • 🛠 All major OEM & aftermarket T.S.B. updates applied
  • 🚚 FREE shipping & core pickup to any commercial address in the continental U.S.
  • 🔥 No upfront core charge
  • 🛡 3-Year / Unlimited-Mile parts & labor nationwide warranty — No-Fault upgrades available

Order with a Product Specialist by phone Mon–Fri 8AM–5PM EST · Online ordering open 24/7 · Financing available

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What’s Included

Everything in the box — built to OEM spec or better

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.

  • 3-Year / Unlimited-Mile Parts & Labor Nationwide Warranty
  • Remanufactured & upgraded engine block
  • Remanufactured & updated cylinder head
  • New pistons
  • New piston rings
  • New rod & main bearings
  • Balanced & tested rotating assembly
  • New timing components
  • New gaskets & seals

Confirm your exact build: included components and application-specific procedures are listed on your written quote or order confirmation.

Fraser remanufactured 2.5L Jeep engine2.5L Jeep I4

Fraser Engines Protection Options

Protect your investment

Upgrade your coverage and add recommended installation products when placing your order. A Fraser Engines Product Specialist will confirm all selections before processing.

Optional Coverage — No-Fault Warranty Upgrades Available with purchase

1-YearNo-Fault Warranty

Entry-level No-Fault protection for the first year of ownership.

$99.00
2-YearNo-Fault Warranty

Extended No-Fault protection for two full years.

$199.00
3-YearNo-Fault Warranty

Three years of upgraded No-Fault protection.

$299.00
Premium Pay4-YearNo-Fault Warranty

Four-year No-Fault protection with Premium Pay benefits.

$399.00
Best Protection5-YearElite Maxx No-Fault Warranty

Maximum No-Fault protection with Premium Pay benefits.

$499.00

Recommended Products — Installation Add-Ons Available with purchase

Premium engine installation kit – filters, belts, hoses, plugs
Premium Installation Kit

Commonly recommended replacement components to support a professional engine installation. Contents and availability may vary by application.

$250.00
Premium engine break-in oil being added to a new engine
Premium Engine Break-In Oil

Specially formulated to protect critical engine components during the initial break-in period while supporting proper ring seating.

$49.99

Fraser Engines · 2.5L Jeep Engine Program

Remanufactured 2.5L Jeep engines built for classic Wrangler, Cherokee & Comanche reliability

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.

Zero-Mileage Remanufactured BuildClassic Jeep Fitment SupportDirect Replacement OptionsWarranty Coverage AvailableNationwide Shipping
Technician working on a remanufactured engineBuilt Since 1961

Know the warning signs

Common 2.5L Jeep engine problems

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.

High-mileage wear

Many 2.5L Jeep engines are decades old — rings, bearings, pistons, camshaft surfaces and cylinder walls may be worn.

Head gasket & overheating

Cooling-system neglect, clogged radiators, thermostat failure or water pump problems lead to overheating and cylinder head damage.

Oil leaks & low oil pressure

Valve cover, rear main and pan gasket leaks plus worn internal clearances create oil pressure concerns.

Timing & valvetrain noise

Older 2.5L engines develop lifter noise, rocker wear, timing set wear or general top-end noise.

Misfires & poor compression

Burned valves, worn rings, damaged pistons or cylinder sealing problems cause rough running and power loss.

Hard-working four-cylinder

Larger tires, off-road use, gearing changes and heavy loads make the 2.5L work harder over time.

The Fraser Advantage

A smarter way to keep your classic Jeep on the road

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.

  • Zero-mileage remanufactured build instead of an unknown used Jeep engine
  • Built for classic Jeep applications — select Wrangler, Cherokee & Comanche fitments
  • Professionally remanufactured block & cylinder head for dependable service life
  • Updated wear components where applicable for long-term durability
  • Powertrain-focused specialists — engines and transmissions every day
  • VIN-based quote support to identify the correct 2.5L for your Jeep
  • Commercial repair-facility shipping to streamline installation and unloading
  • Core return assistance — Fraser coordinates pickup after installation
Premium Remanufacturing ProcessBetter Value Than UsedWarranty Options AvailableCommercial Shop Shipping Support
Engine assembly at Fraser EnginesFraser Advantage™
Diagnosing a Jeep 2.5L engineDiagnose First

Repair or replace?

Signs you may need a 2.5L Jeep engine replacement

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.

  • Low compression or failed cylinder leak-down testing
  • Knocking, ticking, rattling or internal engine noise
  • Persistent misfires after ignition and fuel-system repairs
  • Oil pressure concerns or metal contamination in the oil
  • Heavy oil leaks, oil burning or excessive consumption
  • Coolant mixing with oil or suspected head-gasket failure
  • Repeated overheating or warped cylinder head concerns
  • Engine replacement recommended by a licensed repair facility

Know the difference

Used 2.5L Jeep engine vs. Fraser remanufactured

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.

FeatureUsed Salvage EngineFraser Remanufactured Engine
Internal mileagePrior service mileage; documentation variesZero service miles since remanufacture
Maintenance & overheating historyUnknown — decades-old donors, off-road abuseRebuilt and inspected before shipment
Gasket & oil-leak conditionExisting leaks, worn clearancesNew gaskets & seals throughout
Internal componentsExisting components and wearNew pistons, rings, bearings, timing, gaskets & seals
Machine workTypically nonePrecision machining as required
Fitment verificationVaries by supplierVIN-based verification
WarrantyTerms vary by supplier3-Yr / Unlimited-Mile parts & labor · No-Fault upgrades
Core return assistanceVaries by supplierFree core pickup · Fraser support

2.5L Jeep fitment matters

Classic Jeep applications & VIN-based fitment

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.

Jeep Wrangler YJ 2.5LJeep Wrangler TJ 2.5LJeep Cherokee XJ 2.5LJeep Comanche MJ 2.5LClassic Jeep inline-4 replacement
PlatformMakeModelEngineNotes
YJJeepWrangler YJ2.5L AMC Inline-4TBI (early) and MPI (later) configurations — confirm by VIN
TJJeepWrangler TJ2.5L AMC Inline-4MPI; paired with manual or automatic — confirm by VIN
XJJeepCherokee XJ2.5L AMC Inline-4Base engine on select trims; TBI and MPI variants
MJJeepComanche MJ2.5L AMC Inline-4Pickup 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

2.5L Jeep engine replacement FAQs

Is a remanufactured 2.5L Jeep engine better than a used engine?

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.

What are common 2.5L Jeep engine problems?

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.

Does Fraser help verify 2.5L Jeep engine fitment?

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.

Can Fraser ship my 2.5L Jeep engine to my repair shop?

Yes. Shipping and core pickup are free to any commercial address in the continental United States.

Is a No-Fault warranty upgrade available?

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?

Remanufactured 2.5L Jeep Engine — $2,599.00

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.

800-731-3177

Press 1 for Sales · Mon–Fri 8AM–5PM EST · Online ordering open 24/7 · sales@fraserengines.com

FECC25J$2,599.00
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