Engines Market
Gladiator Marketplace

Jeep Gladiator Engine ReplacementCompare Prices & Save

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

Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Jeep Gladiator 3.6L Pentastar engine - ERC ERF rebuilt reconditioned UK
Gladiator 3.6L Petrol Engines- from £3,850 to £6,200

Rebuilt units from £3,850

Common codes: ERC, ERF, EXJ

Jeep Gladiator 3.0L EcoDiesel engine - EXJ rebuilt reconditioned UK specialist
Gladiator 3.0L Diesel Engines- from £4,200 to £7,100

Rebuilt units from £4,200

Common codes: EXJ, ERC, ERF

Jeep Gladiator Rubicon engine replacement - ERF ERC rebuilt reconditioned UK specialist
Gladiator Rubicon Performance Engines- from £4,500 to £7,800

Rebuilt units from £4,500

Common codes: ERF, ERC (Rubicon calibrated)

Jeep Gladiator engine replacement UK - compare reconditioned and rebuilt engine prices
UK

🔒 Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Jeep Gladiator specialists.

Instant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialists
How It Works

3 Simple Stepsto Finding the Best Jeep Gladiator Replacement Engine

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

Most replacements completed within 3-5 days.

Engine Intelligence

Jeep Gladiator Engines - Codes, Common Failures & Replacement Costs

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

Jeep Gladiator engine intelligence reference

ERC

Production History

  • Sport, Sport S, Willys, Overland (JT, 2019-2024)
  • Rubicon, Mojave (JT, 2019-2024)
  • High Altitude, Freedom Edition (JT, 2020-2023)

Known Failures

  • Timing chain tensioner wear - TSB 2021-045, common after 60k miles on early JT units.
  • Oil filter housing leak - plastic housing cracks, leading to oil loss and potential engine damage.
  • VVT phaser rattle - variable valve timing components wear, causing rough idle and power loss.

Specs

Petrol · 3.6L · 285hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £3,850-£6,200 (supply only)

ERF

Production History

  • Rubicon, Rubicon X (JT LCI, 2021-2024)
  • Overland, High Altitude (JT LCI, 2021-2024)
  • Mojave (JT LCI, 2021-2024)

Known Failures

  • Camshaft/rocker arm wear - documented on high-mileage units, often follows timing chain issues.
  • Software calibration updates required - ECU reflash needed post-replacement for optimal performance.
  • Oil pressure sensor faults - electrical component failure triggering warning lights.

Specs

Petrol · 3.6L · 285hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £4,100-£6,500 (supply only)

EXJ

Production History

  • Sport, Overland, Rubicon Diesel (JT, 2020-2024)
  • Commercial-spec Gladiator variants (JT, 2020-2023)

Known Failures

  • EGR cooler failure - TSB 2020-034, causes coolant loss and potential overheating.
  • DPF regeneration issues - frequent short journeys lead to clogging and derate mode.
  • HPFP (high-pressure fuel pump) wear - common on higher-mileage EcoDiesel units.

Specs

Diesel · 3.0L · 260hp · Turbocharged

Replacement Cost

Typical UK rebuilt engine: £4,200-£7,100 (supply only) Estimated from comparable EXJ units - actual quotes may vary.

Customer Reviews

Trusted by Jeep Gladiator OwnersAcross the UK

★★★★★
4.8out of 5

Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Jeep Gladiator engines through EngineMarket.

Google
★★★★★
“

Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”

- Jimmy, London

Had a good / bad experience? Please leave a review

Leave a review → - Your feedback helps other Jeep Gladiator owners find trusted engine specialists.

Variants We Cover

Jeep Gladiator Engine ReplacementAll Variants Covered

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

Engine Codes

Jeep Gladiator Engine Codes

Every engine code fitted to the Jeep Gladiator across all JT 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.

Petrol Engines

Extracted from detailed petrol and performance engine families across Jeep Gladiator 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 Gladiator engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

Enter Your Reg
Common Problems

Jeep Gladiator Engine Problems

12-Month Warranty
|
Upgraded Components
|
Nationwide UK Delivery
|
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 Gladiator 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 Gladiator Replacement Engine Types

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

Jeep Gladiator Refurbished EnginesTargeted refurbishment addressing specific known failures while retaining serviceable original components to control cost.
Typical Price
£3,200 - £5,100
(supply only)
View refurbished Jeep Gladiator engine options
Refurbished

Refurbished units focus on replacing failure-prone components like tensioners, phasers and housings while retaining sound internals.

  • Cost-effective for early-stage timing chain or oil leak issues
  • Includes upgraded replacement parts for known weak points
  • Requires specialist assessment to confirm suitability pre-purchase
Typical Price
£3,200 - £5,100
(supply only)
View refurbished Jeep Gladiator 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 Gladiator within hours.

Engine Sizes

Jeep Gladiator Engines by SizeFind the Right Displacement for Your Variant

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

The 3.6L Pentastar V6 powers most UK Gladiators, serving as the backbone of the range from entry-level Sport to flagship Rubicon X, with ERC and ERF codes covering all production years.

ENGINE CODE(S)ERC, ERF
COMPATIBLE MODELS (UK)Sport, Sport S, Willys, Overland, Rubicon, Mojave, High Altitude, Freedom Edition, 80th Anniversary, Nighthawk, Rubicon X
PRODUCTION YEARSJT, 2019-2024
Common Failure Points

Timing chain tensioner wear (TSB 2021-045), oil filter housing leaks, VVT phaser rattle on higher-mileage units

Compare Jeep Compass 3.6L petrol engine prices

Not sure which engine size your Jeep Gladiator 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 Gladiator specialists.

Fuel Type

Jeep Gladiator Engines by Fuel Type

Choose your Jeep Gladiator engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the versatile 3.6L Pentastar petrol to the torque-rich 3.0L EcoDiesel.

The 3.6L Pentastar V6 (ERC/ERF) powers most UK Gladiators, offering proven reliability with known timing component wear patterns addressed in rebuilt units.

Common Jeep Gladiator Petrol Engine Families
ERC
Base Pentastar code for 2019-2024 models, timing chain tensioner focus per TSB 2021-045
ERF
Updated calibration for 2021+ premium trims, improved component durability and ECU mapping
Found In
JT Generation (2019-2024)
ERC (early), ERF (late LCI models)
Known For
Strong naturally-aspirated V6 performance and towing capability
Timing chain tensioner wear requiring upgraded replacement components
High UK replacement demand on Rubicon and high-mileage Sport variants
Typical Petrol Models
SportSport SWillysOverlandRubiconRubicon X
Compare Jeep Gladiator Petrol engine prices

Not sure which fuel type your Jeep Gladiator 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 Gladiator specialists.

Engine Years

Jeep Gladiator Engines by YearWhat Was Fitted & When

This section covers all major engine changes across the Jeep Gladiator JT production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.

2019 - 2020 - JT Launch: ERC Pentastar Debut
Major Engine Change
The Gladiator's UK launch featured the 3.6L Pentastar V6 (ERC code) across all initial trims, establishing the baseline for replacement demand.
Key Changes
First UK-market Gladiator (JT platform) with 3.6L Pentastar V6 petrol only
ERC engine code standard across Sport, Willys, Overland, Rubicon variants
Initial production timing chain tensioners later subject to TSB 2021-045
Known For
Strong V6 performance but early tensioner wear concerns
High off-road usage accelerating component wear on Rubicon/Willys
Growing UK forum discussion around timing chain rattle symptoms
Main Engines
ERC - - 3.6L petrol (Sport / Willys / Overland / Rubicon)
Engine Codes Covered
ERC
Popular Models
Jeep Gladiator Sport
Jeep Gladiator Rubicon
Jeep Gladiator Overland
Jeep Gladiator Willys
Common Replacement Enquiries
Jeep Gladiator timing chain rattle
ERC engine replacement cost UK
Gladiator Rubicon engine rebuild
Get quotes for 2019-2020 Jeep Gladiator replacement engines
FAQ

Jeep Gladiator Engine ReplacementFrequently Asked Questions

How much does a Jeep Gladiator engine replacement cost UK-

Typical rebuilt engine prices for the Jeep Gladiator range from £3,850-£6,500 for petrol ERC/ERF units and £4,200-£7,100 for diesel EXJ engines, supply only. Supply & fit adds £800-£1,500 depending on location and variant complexity.

  • ERC petrol rebuilt: £3,850-£6,200 supply only
  • EXJ diesel rebuilt: £4,200-£7,100 supply only (premium due to emissions compliance)
  • Supply & fit service adds £800-£1,500 to engine price
  • Rubicon/Rubicon X variants may command higher pricing due to calibration requirements
Compare rebuilt Gladiator engine prices for your exact variant

What engine codes fit the Jeep Gladiator-

The Jeep Gladiator uses three primary engine codes: ERC (early 3.6L petrol), ERF (late 3.6L petrol with updated calibration), and EXJ (3.0L EcoDiesel). Compatibility depends on model year, trim and emissions requirements.

  • ERC: 2019-2024 petrol variants, base Pentastar calibration
  • ERF: 2021-2024 petrol variants, updated calibration for premium trims
  • EXJ: 2020-2024 diesel variants, emissions-certified EcoDiesel
  • Always verify code via registration or VIN before ordering replacement
Use our VIN decoder to confirm your Gladiator's exact engine code

How long does a Jeep Gladiator engine replacement take-

Supply-only engine delivery typically takes 2-5 working days from UK stock. Full supply & fit service requires 3-7 days including installation, calibration and post-fit testing at a specialist centre.

  • In-stock rebuilt engines dispatch within 48 hours nationwide
  • Supply & fit appointments scheduled within 3-5 days of engine arrival
  • ECU recalibration and 4x4 system verification included in fitment timeline
  • Emergency replacement options available for stranded vehicles
Book your Gladiator engine supply & fit appointment today

Is a rebuilt Jeep Gladiator engine reliable-

Yes - rebuilt Gladiator engines from EngineMarket specialists include upgraded components addressing known failure points (timing tensioners, EGR coolers) and carry a 12-month unlimited mileage warranty for peace of mind.

  • Upgraded timing components per TSB 2021-045 for ERC/ERF units
  • TSB 2020-034 compliant EGR systems for EXJ diesel rebuilds
  • Bench-tested and emissions-certified before dispatch
  • 12-month unlimited mileage warranty standard across network
View rebuilt Gladiator engine warranty terms and specialist reviews

Can I replace my Gladiator engine myself-

While mechanically possible, Gladiator engine replacement requires specialist tools, ECU calibration equipment and 4x4 system expertise - we strongly recommend using our vetted supply & fit network for warranty protection and MoT compliance.

  • ECU recalibration essential post-installation for optimal performance
  • 4x4 torque map verification required to preserve off-road capability
  • Emissions certification mandatory for EXJ diesel replacements
  • Specialist fitment preserves warranty coverage and resale value
Find a Gladiator-specialist fitter in your area via our network

What warranty comes with a Gladiator replacement engine-

Every engine supplied through EngineMarket carries a minimum 12-month unlimited mileage warranty covering parts and labour for rebuild-related failures, with optional extended coverage available via selected specialists.

  • 12-month unlimited mileage warranty standard on all rebuilt units
  • Coverage includes upgraded timing components and emissions systems
  • Labour reimbursement available via network fitting centres
  • Warranty terms confirmed with chosen supplier before order placement
Compare Gladiator engine warranty options from UK specialists

How do I know if my Gladiator needs a new engine-

Key warning signs include persistent timing chain rattle, oil pressure warnings, white exhaust smoke (diesel), or confirmed interference damage after diagnostic assessment by a Gladiator-specialist technician.

  • Timing chain rattle above 60k miles warrants immediate specialist assessment
  • Oil pressure warnings may indicate bearing damage requiring replacement
  • White smoke/coolant loss on diesel suggests EGR cooler failure
  • Compression test results guide repair vs replacement decision
Get a free diagnostic assessment quote for your Gladiator

Are used Jeep Gladiator engines a good option-

Used engines can offer budget-friendly replacement if sourced from low-mileage, accident-damaged donors with verified service history - but rebuilt units provide superior reliability and warranty protection for long-term ownership.

  • Used engines: £2,400-£4,200 vs rebuilt £3,850-£7,100
  • Always request compression test and timing component inspection
  • Rebuilt units include upgraded failure-point components as standard
  • Warranty coverage typically stronger on rebuilt vs used options
Compare used vs rebuilt Gladiator engine options and warranties

Will a replacement engine affect my Gladiator's 4x4 system-

No - when installed by a Gladiator-specialist, replacement engines maintain factory 4x4 calibration, low-range torque mapping and Quadra-Trac system compatibility with proper ECU recalibration.

  • ECU recalibration preserves factory 4x4 torque distribution
  • Low-range gearing and transfer case compatibility verified post-install
  • Rubicon/Mojave electronic locking differential settings retained
  • Specialist fitters document calibration for MoT and resale purposes
Enquire about 4x4-calibrated Gladiator engine replacement specialists

How do I choose between petrol and diesel Gladiator engines-

Choose petrol (ERC/ERF) for lower upfront replacement cost and simpler emissions compliance; choose diesel (EXJ) for superior towing torque and fuel economy if your usage justifies the premium rebuild pricing and maintenance requirements.

  • Petrol rebuilt: £3,850-£6,500; Diesel rebuilt: £4,200-£7,100
  • Diesel offers better towing torque and motorway fuel economy
  • Petrol simpler for urban use with fewer emissions system concerns
  • Consider your annual mileage and towing needs when deciding
Get tailored quotes for both petrol and diesel Gladiator engines

Why Choose Us

Why UK Jeep Gladiator Owners Trust EngineMarket

Join thousands of UK drivers who compare Jeep Gladiator 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.

Warranty minimum standard icon

Trusted Jeep Gladiator Engine Suppliers

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

Variant directory icon

Compare Jeep Gladiator Engine Replacement Companies

See prices, warranty terms, and supply & fit options side-by-side before you commit.

Nationwide delivery icon

UK Engine Replacement Services for Jeep Gladiator

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

Find the best Jeep Gladiator engine replacement near you

Compare engine prices for Jeep Gladiator in the UK and get competitive quotes from garages near you.

Compare Jeep Gladiator Engine Prices Now →
100% FreeNo ObligationFast & secure processUK-based support
Jeep Gladiator vehicle

Trusted supplier network

Warranty-backed rebuilt & used options

Every quote checked for fitment, quality and lead time.