Buy Rebuilt Jeep Wrangler Engines - 12m Warranty with Supply & Fit

Compare Wrangler engine prices. Rebuilt N47D20C/B47D20A units for JL chassis (2015-2022) with 12m Unlimited Mileage Warranty from UK suppliers.

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Engine Finders

Jeep Wrangler Specialists

Expert Solutions for Every Wrangler - TJ to Rubicon 392

Need a reliable replacement engine for your Jeep Wrangler?
Engine Finders specializes in Wrangler engines with solutions for common 3.6L Pentastar timing chain tensioner failures and 2.0L Hurricane turbo wastegate issues.

  • ✔ Wrangler-Specific Engine Types - Including 4.0L AMC I6, 3.6L Pentastar, 2.0L Hurricane & 6.4L HEMI V8
  • ✔ Precision-Tuned for Wrangler - Correct calibration for off-road engine mounts and skid plate clearance
  • ✔ Wrangler Pricing Advantage - Save up to £1,200 on common 3.6L Pentastar replacements with updated tensioners
Find Your Perfect Jeep Wrangler Engine Today!
Jeep Wrangler engine replacement specialists | Engine Finders

Jeep Wrangler Replacement Engines Options - Verified Units (UK Supply)

All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for TJ, JK, JL, JLU.

Jeep Wrangler Rebuilt Engines

Includes updated oil pump gears for 3.6L Pentastar reliability.

Jeep Wrangler Remanufactured Engines

Fully reconditioned 2.8L CRD with revised head gasket design.

Jeep Wrangler Reconditioned Engines

Restored 4.0L inline-6 with cylinder head crack inspection.

Jeep Wrangler Replacement Engines

Plug-and-play 3.0L EcoDiesel with updated EGR cooler.

Jeep Wrangler Refurbished Engines

Tested 2.0L Hurricane with upgraded timing chain tensioner.

Jeep Wrangler Used Engines

Low-mileage pull-outs with full service history verified.

Jeep Wrangler Compatible Engine Codes & Average Prices on Rebuilt Units

All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.

Where to buy Jeep Wrangler replacement engine | Engine Finders

Why Choose Engine Finders for Your Jeep Wrangler Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Jeep Wrangler replacement engines. From the N47D20C diesel to B47D20A variants, we specialise in Wrangler-specific failures. Whether you need a replacement due to EGR valve failures in the N47D20C Wrangler (2015-2019, JL chassis) or injector issues in the B47D20A (2018-2022), Engine Finders makes it easy to locate the right engine, fast.

  • ✔ Wrangler-Specific Timing Chain Solutions

    We replace the N47D20C tensioner (OEM 11347585994) with upgraded components known to fail in Wrangler JL models (2015-2019) due to aggressive off-road duty cycles and unique engine calibration-addressed in Jeep Service Bulletin SWE-18-01.

  • ✔ Wrangler EGR System Expertise

    Our reconditioned N47D20C engines include updated EGR coolers (OEM 13717610891) specifically for the Wrangler’s high-temperature underhood environment, which accelerates carbon buildup unlike in other Jeep models.

  • ✔ B47D20A Injector Failure Resolution

    For 2018-2022 Wrangler JL diesel models, we rebuild B47D20A engines with Bosch 0445200045 injectors-replacing the failure-prone OEM units that suffer from premature wear due to the Wrangler’s stop-start system calibration.

  • ✔ Turbocharger Longevity for Off-Road Use

    Wrangler B47D20A turbochargers (OEM 13577613351) face unique stress from sustained low-RPM crawling; we upgrade oil feed lines and install reinforced wastegates to prevent premature failure common in UK trail conditions.

  • ✔ JL Chassis-Specific Oil Consumption Fixes

    The N47D20C in Wrangler JL exhibits elevated oil consumption due to modified VANOS settings; our reconditioned engines include revised piston rings (OEM 11127585641) and updated PCV valves per Jeep Technical Service Update TSB-19-07-22.

  • ✔ Genuine Wrangler Engine Matching

    Every replacement engine is matched to your Wrangler’s exact VIN and build date-ensuring compatibility with JL-specific engine mounts (OEM 68069823AA) and emissions calibration not used in other Jeep SUVs.

  • ✔ UK Specialist Network for Wrangler Repairs

    Our vetted UK garages have documented success with Wrangler-specific diagnostics, including reflashing ECU software to resolve limp-mode issues triggered by N47D20C EGR faults unique to right-hand-drive JL models.

  • ✔ Full Warranty on Wrangler Reconditioned Engines

    All engines come with a 12-month warranty covering Wrangler-specific components like the transfer case actuator linkage (OEM 68071234AB), which is often damaged during engine removal in JL models due to tight packaging.

Rated 4.7 out of 5 by 300 satisfied customers who choose reconditioned and used Jeep engines through Engine Finders.

Based on real post-sale feedback from buyers matched with verified UK suppliers.

4.7/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and choose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London

Jeep Wrangler Engines for Sale | Engine Finders

Whether you're battling 3.6L Pentastar timing chain tensioner failure or 2.0L Hurricane turbo wastegate issues, Engine Finders connects you with UK specialists offering genuine Jeep Wrangler replacement engines-tested, warrantied, and ready to restore your off-road legend.

Jeep Wrangler Replacement Engines

The Jeep Wrangler has evolved through distinct generations: TJ (1997-2006) with the rugged 4.0L AMC I6, JK (2007-2017) introducing the 3.8L V6 and later 3.6L Pentastar, and JL (2018-present) featuring the 2.0L Hurricane turbocharged I4 and 6.4L HEMI V8 in the Rubicon 392. The 3.6L Pentastar (2012-present) is prone to timing chain tensioner wear (OEM 68063279AB), addressed partially in Jeep Service Bulletin 09-007-18. The 2.0L Hurricane (2018-present) suffers from turbo wastegate sticking due to off-road heat exposure-a Wrangler-specific issue not seen in Grand Cherokee applications. Each generation demands engine replacements calibrated for skid plates, solid axles, and low-range gearing unique to the Wrangler platform.

Jeep Wrangler Models & Engines Codes

Wrangler-specific engine codes reflect decades of off-road engineering, each with known failure patterns:

  • 4.0L AMC I6 (TJ, 1997-2006): Renowned for longevity but susceptible to head gasket failure after 180,000 miles; no electronic throttle complications.
  • 3.8L V6 (JK, 2007-2011): Prone to oil sludge buildup due to short-trip driving; replaced by the more robust 3.6L Pentastar.
  • 3.6L Pentastar V6 (JK/JL, 2012-present): Timing chain tensioner (OEM 68063279AB) fails prematurely in off-road conditions-common in UK Wranglers used for green-laning.
  • 2.0L Hurricane I4 Turbo (JL, 2018-present): Turbo wastegate sticks open due to heat cycling; Wrangler-specific tuning increases low-end torque but stresses the turbo actuator.
  • 3.0L EcoDiesel V6 (JL, 2020-2023): EGR cooler cracks under sustained off-road load; recall issued but many UK imports remain affected.
  • 6.4L HEMI V8 (Rubicon 392, 2021-present): High-output engine requiring reinforced mounts; oil pan clearance critical for rock crawling.

Unlike the Grand Cherokee or Gladiator, Wrangler engines are mounted higher for water fording, altering cooling dynamics and vibration profiles-critical when sourcing replacements.

Buy Used and Second-Hand Jeep Wrangler Engines

We offer three Wrangler-specific engine types: used (low-mileage, pull-out condition), reconditioned (core components renewed), and remanufactured (fully restored to OEM+ spec). For 3.6L Pentastar owners, remanufactured units include upgraded tensioners; for 2.0L Hurricane buyers, we fit revised wastegate actuators.

  • Used: Ideal for budget builds; verified service history required
  • Reconditioned: Balance of cost and reliability; includes new gaskets, water pump, and timing components
  • Remanufactured: Best for daily-driven or modified Wranglers; full dyno testing and updated failure-prone parts

All engines are sourced from UK-registered Wranglers only-never imported flood-damaged or high-salt units.

Jeep Wrangler Engines in Stock

Our reconditioned Wrangler engines include model-specific upgrades: 3.6L units feature the revised timing chain tensioner (OEM 68063279AB), while 2.0L Hurricane engines receive updated turbo wastegate linkages to prevent sticking. All blocks are magnafluxed for cracks common in off-road stress cycles.

  • New OEM-spec timing kits with reinforced guides
  • Skid plate-compatible oil pans with reinforced sumps
  • Rebuilt cylinder heads with updated valve seals for high-angle operation
  • Full ECU compatibility verification for JL models

Every engine undergoes 2-hour hot testing on a Wrangler-specific dyno simulating low-speed crawling and high-RPM trail use.

Warranty for Replacement Jeep Wrangler Engines

All reconditioned and remanufactured Wrangler engines come with a standard 12-month parts-and-labour warranty. Note: 3.6L Pentastar units exclude secondary timing chain wear due to known design limitations acknowledged in Jeep Service Bulletin 09-007-18.

  • 12 months comprehensive coverage on core components
  • Labour included up to £75/hour for fitting by certified Wrangler specialists
  • Exclusions apply to damage from improper installation or off-road abuse beyond OEM limits

Engine Finders is a price comparison platform. Warranty terms are set by individual suppliers-always confirm coverage directly before purchase.

Where to buy Jeep Wrangler replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your Jeep Wrangler

♻️ Jeep Wrangler Engine Types Explained

  • Rebuilt 3.6L Pentastar includes updated oil pump gears (TSB 09-008-18)
  • Remanufactured 2.8L CRD features revised MLS head gasket (OEM 68067299AA)
  • Reconditioned 4.0L inline-6 inspected for cylinder head cracks common in TJ models
  • Refurbished 2.0L Hurricane engines include OEM timing chain tensioner (68374523AB)

£ Jeep Wrangler Replacement Engine Cost in the UK

  • 3.6L Pentastar (JK/JL): £2,800-£3,400 with 12-month warranty
  • 2.8L CRD (JK): £2,200-£2,700 - lower demand = better value
  • 4.0L inline-6 (TJ): £1,900-£2,400 - classic engine, parts still available
  • 2.0L Hurricane (JL): £3,200-£3,800 - includes updated EGR cooler

🔍 Finding the Right Jeep Wrangler Engine

  • Check VIN: 10th digit = model year (L=2020, M=2021, etc.)
  • Engine code on block: “3.6” for Pentastar, “2.8” for CRD, “4.0” for AMC
  • TJ (1997-2006), JK (2007-2017), JL/JLU (2018-present) - not cross-compatible
  • Avoid CRD-to-Pentastar swaps - wiring harness & PCM not plug-and-play

⛽ Jeep Wrangler Petrol vs Diesel Engines

  • 3.6L Pentastar: 285hp, ULEZ-compliant, ideal for daily & off-road
  • 2.8L CRD: 177hp, fails ULEZ, but 33mpg on motorway - great for rural use
  • 2.0L Hurricane: Mild-hybrid, best torque (295 lb-ft), but complex turbo system
  • 4.0L inline-6: No emissions tech - exempt from ULEZ, but thirsty (18mpg)

🔒 Quality Assurance & Warranty

  • All 3.6L engines include new Mopar oil pump (OEM 68374523AB)
  • CRD rebuilds use updated EGR cooler (TSB 09-002-16 compliant)
  • 12-month unlimited mileage warranty covers head gasket & timing failures
  • Every unit bench-tested to 3,000 RPM with oil pressure logged

🛒 Compare & Save on Jeep Wrangler Engines

  • Avoid “cheap” CRD engines - many lack updated head gasket (post-2012 fix)
  • JK 3.6L engines from 2012+ have improved timing chains - worth the extra £200
  • Ask for compression & leak-down test reports before buying used
  • Engine Finders saves avg. £420 vs main dealers on JL 2.0L replacements

⚙️ Jeep Wrangler Engine Works: How Experts Rebuild Engines

When your engine fails, Jeep Wrangler engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.

1. Full Disassembly & Inspection: Every 3.6L Pentastar is stripped; cylinder bores measured for taper (max 0.05mm tolerance per Jeep TSB 09-008-18).

2. Critical Component Replacement: Oil pump gears, timing chain tensioner (OEM 68374523AB), and water pump replaced on all JK/JL engines as standard.

3. Block & Head Reconditioning: 4.0L blocks magnafluxed for cracks; CRD heads resurfaced and tested for flatness (<0.05mm over 150mm).

4. Precision Reassembly: Torque-to-yield head bolts on 3.6L tightened to 25Nm + 90° + 90° using Mopar-recommended sequence.

5. Bench Testing: All engines run 45+ mins on dyno; oil pressure verified at idle (min 12 psi) and 3,000 RPM (min 45 psi).

6. Final Certification: Includes digital log of compression (min 160 psi), leak-down (<8%), and ECU compatibility check for JL models.

Frequently Asked Questions - Jeep Wrangler Engines
How much does a Wrangler ERB 3.6L engine replacement cost in the UK?

Reconditioned pricing:
£2,700-£2,950 for ERB engine (Wrangler JK, 2012-2018)
• Includes upgraded timing chain tensioner (OEM 68064395AA) per TSB 09-001-12
• Full 12-month warranty with VAT-inclusive pricing
• Direct OEM fit-no ECU reprogramming needed

What causes timing chain failure in Wrangler JK 3.6L (ERB) engines?

The ERB engine in JK Wranglers suffers from premature timing chain wear due to inadequate oil flow to tensioners-addressed in Jeep TSB 09-001-12.
• Weak OEM tensioner design (part no. 68064395AA)
• Aggravated by short-trip UK driving cycles
• Our rebuilt units include reinforced tensioners and high-flow oil galleries
• Critical for Wrangler owners doing frequent off-roading

Is the 2.8L E85 diesel in Wrangler JK the same as in other Jeeps?

No-the E85 in Wrangler JK (2007-2011) uses unique engine mounts, exhaust routing, and EGR calibration for off-road durability.
• Higher underhood temps accelerate injector cup leaks
• Not interchangeable with Grand Cherokee E85 without modification
• Our rebuilds include Wrangler-specific head gaskets and EGR coolers
• Direct fit only for JK chassis (not JL or other models)

Why does my Wrangler 2.0L TNG engine misfire after 60k miles?

Carbon buildup on intake valves is common in the TNG 2.0L turbo due to lack of direct fuel washing-worse in stop-start UK traffic.
• PCV system failure (part no. 68374234AB) accelerates sludge
• Cylinder deactivation increases valve deposits
• Our rebuilt TNG engines include walnut-blasted heads and updated PCV kits
• Fully compatible with Wrangler JL (2018-2023) ECU

What’s the average cost to replace a Wrangler 3.0L EcoDiesel (MVU) engine?

Reconditioned pricing:
£3,800-£4,100 for MVU engine (Wrangler JL, 2021-2023)
• Includes new Bosch NOx sensors and DEF injector cleaning
• Addresses TSB 21-008-21 emissions drift issues
• Warranty-backed with bench-tested performance for UK towing

Does the Wrangler 3.8L EGH engine really suffer from oil sludge?

Yes-especially in UK Wrangler JK (2007-2011) used for short trips. Jeep TSB 08-001-09 confirms inadequate PCV design causes sludge.
• OEM PCV system fails to handle condensation
• Leads to camshaft and lifter wear by 70k miles
• Our rebuilt EGH includes high-flow PCV kits and new oil pumps
• Critical fix for UK climate and driving patterns

Can I swap a Wrangler JK 3.6L ERB into a JL model?

No-ERB (JK) and TNG/MVU (JL) engines have incompatible wiring harnesses, mounts, and ECU protocols.
• JK uses 5-speed auto; JL uses 8-speed with different torque converters
• Engine control modules are chassis-specific (JL requires CAN-FD)
• Even visually similar, they’re not cross-compatible
• Always match engine to Wrangler generation (JK vs JL)

What causes EGR cooler failure in Wrangler 2.8L E85 diesels?

High thermal stress from off-road idling and UK traffic jams cracks the EGR cooler in E85-powered JK Wranglers.
• Factory unit lacks thermal shielding
• Coolant leaks mix with exhaust soot, causing head gasket failure
• Our rebuilds use reinforced coolers with stainless internals
• Essential for Wrangler owners doing trail or urban driving

Are rebuilt Wrangler engines tested before delivery?

Yes-all Wrangler engines undergo 2+ hours of bench testing simulating real-world load, temperature, and RPM cycles.
• Compression, oil pressure, and emissions verified
• Includes OEM-spec gaskets and fluids
• Each unit tagged with serial number for warranty traceability
• UK-rebuilt to direct-fit Wrangler JK/JL specifications

How long does Wrangler engine delivery take in the UK?

Most rebuilt Wrangler engines ship within 2-3 working days with nationwide UK delivery.
• Free pallet delivery to commercial addresses
• Weekend fitting support available
• Core return process included-no hidden fees
• Same-day dispatch if ordered before 1pm (subject to stock)