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Jeep Wrangler Engine ReplacementCompare Prices & Save

Get quotes today from trusted UK Jeep Wrangler engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available.

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Jeep Wrangler 2.8 CRD diesel engine replacement - ENS EKG VM11D rebuilt reconditioned UK
Jeep Wrangler 2.8 CRD Diesel Engines- from £1,295 to £4,200

Rebuilt units from £1,295

Common codes: ENS, EKG, VM11D, D7AIZ

Jeep Wrangler 3.6 Pentastar petrol engine replacement - ERB ERC rebuilt reconditioned UK
Jeep Wrangler 3.6 Pentastar Engines- from £1,495 to £4,500

Rebuilt units from £1,495

Common codes: ERB, ERC, EXJ

Jeep Wrangler 4.0 straight-six engine replacement - AMC 242 EGT rebuilt reconditioned UK specialist
Jeep Wrangler 4.0 Legacy Engines- from £1,800 to £3,900

Rebuilt units from £1,800

Common codes: AMC 242, AMC 150, EGT

Jeep Wrangler engine replacement UK - compare reconditioned and rebuilt engine prices
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How It Works

3 Simple Stepsto Finding the Best Jeep Wrangler Replacement Engine

12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers

Most replacements completed within 3-5 days.

Engine Intelligence

Jeep Wrangler Engines - Codes, Common Failures & Replacement Costs

The cards below cover the main engines fitted to the Jeep Wrangler in the UK, including documented failure causes, variant production years, and typical rebuilt engine costs based on current UK market data.

Jeep Wrangler engine intelligence reference

ENS / EKG

Production History

  • Jeep Wrangler JK 2.8 CRD - 2007-2018
  • Jeep Wrangler JK Unlimited 2.8 CRD - 2007-2018
  • Jeep Wrangler Sahara 2.8 CRD - 2011-2018

Known Failures

  • Injector seal failure - "Black Death" soot buildup around injectors causes catastrophic damage if ignored.
  • Water pump failure - plastic impeller degrades, leading to sudden overheating and head gasket failure.
  • Timing chain tensioner wear - early EKG units prone to chain stretch before 80k miles.

Specs

Diesel · 2.8L · 174-200hp · Turbocharged

Replacement Cost

Typical UK rebuilt engine: £1,295-£4,200 (supply only)

ERB / ERC

Production History

  • Jeep Wrangler JK 3.6 Pentastar - 2011-2018
  • Jeep Wrangler JL 3.6 Pentastar - 2018-present
  • Jeep Wrangler Rubicon 3.6 - 2011-present

Known Failures

  • Rocker arm failure - ticking noise from worn rockers damages camshaft, common from 60k miles.
  • Cylinder head crack - 2011-2013 models affected by casting defect causing coolant/oil mixing.
  • Oil cooler leak - plastic housing cracks, dumping oil into engine valley and causing misfires.

Specs

Petrol · 3.6L · 285hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £1,495-£4,500 (supply only)

AMC 242

Production History

  • Jeep Wrangler TJ 4.0 - 1997-2006
  • Jeep Wrangler Rubicon 4.0 - 2003-2006
  • Jeep Wrangler Sahara 4.0 - 1997-2006

Known Failures

  • Cylinder head crack (0331 casting) - heads from 1999-2001 prone to cracking between valves 3 & 4.
  • Exhaust manifold bolt failure - rusted bolts shear, causing exhaust leaks and reduced performance.
  • Oil pump drive gear wear - high-mileage units may lose oil pressure without warning.

Specs

Petrol · 4.0L · 190hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £1,800-£3,900 (supply only)

Customer Reviews

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Variants We Cover

Jeep Wrangler Engine ReplacementAll Variants Covered

Not sure which variant your Jeep Wrangler is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Engine Codes

Jeep Wrangler Engine Codes

Every engine code fitted to the Jeep Wrangler across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.

Diesel Engines

Extracted from detailed diesel engine families across Jeep Wrangler variants.

Can't find your engine code-

Can't find your engine code- Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Jeep Wrangler engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

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Common Problems

Jeep Wrangler Engine Problems

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Save vs Main Dealer Price

Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Jeep Wrangler and engine code. Every engine supplied through EngineMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.

Replacement Engine Options

Jeep Wrangler Replacement Engine Types

Every engine type for your Jeep Wrangler is available through our UK network, with typical price ranges based on variant, engine code and budget.

Jeep Wrangler Refurbished EnginesLight refurbishment addressing specific known issues; cost-effective for targeted repairs like oil cooler leaks.
Typical Price
£1,100 - £3,500
(supply only)
View refurbished Jeep Wrangler engine options
Refurbished

Refurbished units focus on documented failure points without full teardown, offering savings where appropriate.

  • Oil cooler housing replacement for Pentastar valley leaks
  • Injector seal refresh for early 2.8 CRD Black Death prevention
  • Best for Wranglers with otherwise healthy high-mileage engines
Typical Price
£1,100 - £3,500
(supply only)
View refurbished Jeep Wrangler engine options

All rebuilt engines include a minimum 12-month warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Jeep Wrangler within hours.

Engine Sizes

Jeep Wrangler Engines by SizeFind the Right Displacement for Your Variant

Every displacement fitted to the Jeep Wrangler in the UK is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.

The 2.8L CRD diesel powered most UK JK Wranglers from 2007-2018, offering strong torque for off-roading and towing, with ENS and EKG codes dominating replacement enquiries due to injector seal and water pump failures.

ENGINE CODE(S)ENS, EKG, VM11D, D7AIZ
COMPATIBLE MODELS (UK)Sahara, Sport, Rubicon, Unlimited, Willys
PRODUCTION YEARSJK generation, 2007-2018
Common Failure Points

Injector seal "Black Death", water pump plastic impeller failure, timing chain tensioner wear

Get quotes for Jeep Wrangler 2.8L diesel engines

Not sure which engine size your Jeep Wrangler needs- Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty from UK Jeep Wrangler specialists.

Fuel Type

Jeep Wrangler Engines by Fuel Type

Choose your Jeep Wrangler engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the torquey 2.8 CRD diesel to the legendary 4.0 petrol straight-six.

Diesel Wranglers dominate the UK market, with the 2.8 CRD powering most JK models and the newer 3.0 EcoDiesel offering refinement for JL owners.

Common Jeep Wrangler Diesel Engine Families
ENS/EKG
2.8 CRD for JK (2007-2018), injector seal "Black Death" risk
VM11D
refined 2.8 CRD for late JK, DPF regeneration issues on urban use
VM L630
3.0 EcoDiesel for JL (2020+), timing chain stretch on early units
Found In
JK Generation (2007-2018)
2.8 CRD ENS/EKG/VM11D
JL Generation (2020-present)
3.0 EcoDiesel VM L630
Known For
Strong low-end torque ideal for off-roading and towing
Injector seal failures causing catastrophic "Black Death" soot damage
High UK replacement demand on JK 2.8 CRD units over 80k miles
Typical Diesel Models
Sahara 2.8 CRDRubicon 2.8 CRDUnlimited 2.8 CRDSport 2.8 CRDWillys 2.8 CRD
Get quotes for Jeep Wrangler Diesel replacement engines

Not sure which fuel type your Jeep Wrangler has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Jeep Wrangler specialists.

Engine Years

Jeep Wrangler Engines by YearWhat Was Fitted & When

This timeline covers all major engine changes across the Jeep Wrangler's UK production history, organised so owners can quickly identify their engine and compare rebuilt prices from specialists.

1987 - 1995 - YJ Generation Launch
Major Platform Change
The YJ brought the Wrangler nameplate to Europe, with carbureted and fuel-injected AMC engines.
Key Changes
First Wrangler sold in UK, replacing CJ series
AMC 2.5L four-cylinder and 4.2L straight-six offered
Carburetion on base models, throttle-body injection on later units
Known For
Simple, rugged design ideal for modification
Carburetor tuning challenges on early models
AMC engines durable but lower power by modern standards
Main Engines
AMC 150 - 2.5L petrol (base YJ)
AMC 258 - 4.2L petrol (Laredo, later YJ)
Engine Codes Covered
AMC 150AMC 258
Popular Models
Jeep YJ Base
Jeep YJ Laredo
Jeep YJ Sahara (import)
Common Replacement Enquiries
Get quotes for 1987-1995 Jeep Wrangler replacement engines
FAQ

Jeep Wrangler Engine ReplacementFrequently Asked Questions

How much does it cost to replace a Jeep Wrangler engine in the UK-

Typical rebuilt engine costs range from £1,295 for a 2.8 CRD diesel to £4,500 for a 3.6 Pentastar, with supply & fit labour adding £800-£1,800 depending on workshop location.

  • 2.8 CRD diesel rebuilt: £1,295-£4,200 supply only
  • 3.6 Pentastar rebuilt: £1,495-£4,500 supply only
  • Labour for supply & fit: £800-£1,800 additional
  • Used engines start around £950 but carry higher risk
  • All rebuilt units include 12-month unlimited mileage warranty
Compare Jeep Wrangler engine replacement prices for your exact model

What is the most common engine problem on Jeep Wranglers-

The 3.6L Pentastar's rocker arm failure and the 2.8 CRD's injector seal "Black Death" are the two most frequently reported catastrophic failures driving replacement enquiries in the UK.

  • Pentastar rocker arms wear from 60k miles, damaging camshaft
  • 2.8 CRD injector seals fail, causing soot contamination
  • Cylinder head cracks affect 2011-2013 Pentastar castings
  • 4.0 TJ heads (0331 casting) crack between valves 3 & 4
  • Early warning signs include ticking noises or black soot around injectors
Get quotes for rebuilt Jeep Wrangler engines with upgraded failure-prone components

Is it worth replacing the engine on a Jeep Wrangler-

Yes - Wranglers hold exceptional residual value, so a £3,000 engine replacement often extends the life of a £15,000 JK or JL by another 100,000 miles, making it financially sensible versus part-exchange.

  • Wranglers depreciate slower than most SUVs
  • Rebuilt engine cost typically 15-25% of vehicle value
  • Off-road capability and enthusiast demand support strong resale
  • Upgraded rebuilt units address known failure points permanently
  • Supply & fit options available nationwide for non-mechanics
Calculate if engine replacement makes sense for your Jeep Wrangler's value

How long does a Jeep Wrangler engine last with proper maintenance-

Well-maintained 2.8 CRD diesels can reach 180,000 miles, while 3.6 Pentastar petrol engines typically last 150,000-200,000 miles if rocker arms and oil changes are monitored closely.

  • 2.8 CRD: 150k-180k miles with timely injector seal checks
  • 3.6 Pentastar: 150k-200k miles with rocker arm vigilance
  • 4.0 AMC straight-six: 200k+ miles if 0331 head crack avoided
  • Oil changes every 5k-7k miles critical for all engines
  • Off-road use increases wear; inspect after heavy trail use
Find a rebuilt Jeep Wrangler engine with upgraded longevity components

Can I swap a different engine into my Jeep Wrangler-

Yes - Wranglers are popular for HEMI V8 or Cummins diesel swaps, but these require specialist fabrication, ECU tuning, and significantly higher budgets than OEM-spec rebuilt replacements.

  • HEMI 5.7L/6.4L swaps popular but cost £8k-£15k+ fully fitted
  • Cummins 2.8R/3.0T diesel swaps require custom mounts and wiring
  • OEM-spec rebuilt engines offer plug-and-play compatibility
  • Swaps may affect insurance, MOT and resale value
  • Always use a Jeep-specialist workshop for complex conversions
Compare OEM-spec rebuilt Jeep Wrangler engine prices before considering a swap

What's the difference between rebuilt, reconditioned and used Jeep Wrangler engines-

Rebuilt/reconditioned engines are stripped, inspected and have worn parts replaced with upgraded components; used engines are low-mileage donor units sold as-is with shorter warranties and higher uncertainty.

  • Rebuilt: Full teardown, new bearings/rings/gaskets, upgraded failure points
  • Reconditioned: Similar to rebuilt; terminology varies by supplier
  • Used: Donor engine from accident vehicle; compression test essential
  • Rebuilt units include 12-month unlimited mileage warranty typically
  • Used engines cheaper upfront but carry hidden wear risk
Compare rebuilt vs used Jeep Wrangler engine options with warranty details

Will a JL Wrangler engine fit a JK model-

No - while both use the 3.6L Pentastar, JL engines have different mounts, wiring harnesses, cooling systems and ECU protocols; direct swaps require extensive modification and are not recommended.

  • Pentastar block architecture similar but ancillaries differ
  • JL eTorque mild-hybrid components incompatible with JK wiring
  • Mounting points, transmission bellhousing and ECU calibration vary
  • Source a JK-spec engine for JK models to ensure plug-and-play fitment
  • JL engines only suitable for JL chassis without major fabrication
Get quotes for JK-spec or JL-spec Jeep Wrangler engines to match your chassis

Do you offer supply and fit service for Jeep Wrangler engine replacements-

Yes - select "supply & fit" at checkout to access our nationwide network of Jeep-specialist workshops, with fixed-price labour quotes provided upfront before you commit.

  • 100+ vetted UK workshops specialising in 4x4 and Jeep repairs
  • Fixed labour quotes provided before engine dispatch
  • Warranty covers both parts and fitting workmanship
  • Collection/delivery options available for non-drivable vehicles
  • Typical fitting time: 2-3 days depending on workshop schedule
Find Jeep Wrangler engine supply & fit deals in your area

What warranty comes with a rebuilt Jeep Wrangler engine-

Every rebuilt engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty from the specialist rebuilder, with options to extend to 24 months on select units.

  • Minimum 12-month unlimited mileage warranty standard
  • Warranty covers parts and labour for manufacturing defects
  • Upgraded components (rockers, seals, heads) included in coverage
  • Some suppliers offer 24-month extensions for premium rebuilt units
  • Always confirm exact terms with your chosen supplier before ordering
Compare Jeep Wrangler rebuilt engine warranties from UK specialists

How quickly can I get a replacement engine for my Jeep Wrangler-

Most rebuilt engines are dispatched within 1-3 working days from UK stock, with fitting typically completed in 2-3 days at a specialist workshop once the unit arrives.

  • UK stock of common codes (ENS, EKG, ERB, ERC) enables fast dispatch
  • Rare codes or performance units may require 5-10 day lead time
  • Supply-only engines shipped via pallet courier nationwide
  • Supply & fit bookings depend on workshop availability in your area
  • Enter your registration for instant stock and lead time confirmation
Check live stock and delivery times for your Jeep Wrangler engine code

Why Choose Us

Why UK Jeep Wrangler Owners Trust EngineMarket

Join thousands of UK drivers who compare Jeep Wrangler engine prices through our network of trusted specialists - every rebuilt and reconditioned unit backed by a minimum 12-month unlimited mileage warranty and nationwide delivery.

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Every garage and engine rebuilder in our network is vetted, rated, and reviewed by real Jeep Wrangler owners.

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UK Engine Replacement Services for Jeep Wrangler

Covering every variant from Sahara to Rubicon 392, with supply-only or full supply & fit available nationwide.

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