Gladiator 3.6L Petrol Engines
from £3,850 to £6,200
Rebuilt units from £3,850 · Common codes: ERC, ERF, EXJ
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Jeep Gladiator Engine Replacement - Compare 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
Gladiator 3.0L Diesel Engines
from £4,200 to £7,100
Rebuilt units from £4,200 · Common codes: EXJ, ERC, ERF
Gladiator Rubicon Performance Engines
from £4,500 to £7,800
Rebuilt units from £4,500 · Common codes: ERF, ERC (Rubicon calibrated)
Instant engine replacement quote - 100% free, no obligation
Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & 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 specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Jeep Gladiator Replacement Engineto 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.
Live UK Engine Market Data
Average Market Prices
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Jeep Gladiator Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Jeep Gladiator engines through EngineMarket.
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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Variants We Cover
Jeep Gladiator Engine ReplacementAll Variants Covered
Jeep Gladiator Sport
ERC 3.6L Petrol
Rebuilt Engines: £3,850-£5,200
Jeep Gladiator Sport S
ERC 3.6L Petrol
Rebuilt Engines: £3,900-£5,300
Jeep Gladiator Willys
ERC 3.6L Petrol
Rebuilt Engines: £3,950-£5,400
Jeep Gladiator Overland
ERC/ERF 3.6L Petrol
Rebuilt Engines: £4,100-£5,800
Jeep Gladiator Rubicon
ERF 3.6L Petrol
Rebuilt Engines: £4,500-£6,500
Jeep Gladiator Mojave
ERF 3.6L Petrol
Rebuilt Engines: £4,600-£6,700
Jeep Gladiator High Altitude
ERF 3.6L Petrol
Rebuilt Engines: £4,700-£6,900
Jeep Gladiator Rubicon X
ERF-HO 3.6L Petrol
Rebuilt Engines: £5,200-£7,800
Jeep Gladiator Diesel
EXJ 3.0L EcoDiesel
Rebuilt Engines: £4,200-£7,100
Jeep Gladiator Freedom Edition
ERC 3.6L Petrol
Rebuilt Engines: £4,000-£5,600
Jeep Gladiator 80th Anniversary
ERC/ERF 3.6L Petrol
Rebuilt Engines: £4,100-£5,900
Jeep Gladiator Nighthawk
ERC 3.6L Petrol
Rebuilt Engines: £4,000-£5,700
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.
Gladiator
Engine Codes
Jeep Gladiator Engine CodesFull Technical Specifications & Replacement Guide
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.
ERC - 3.6L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
SportSport SWillysOverlandRubiconMojave
Avg. rebuilt price
£3,850 - £6,200
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 3.6L
- Power output
- 285 hp
- Years fitted
- 2019-2024
Common failures
- ●Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which 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.
Gladiator
Common Problems
Jeep Gladiator Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Jeep Gladiator's 3.6L Pentastar and 3.0L EcoDiesel engines are generally robust, but UK owners report timing chain tensioner wear (TSB 2021-045), oil filter housing leaks, and EGR issues on diesel units driving replacement demand. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original...
Timing Chain Tensioner Failure - Why Early JT Pentastar Engines Fail Prematurely
Timing Chain Tensioner Failure
Most affected vehicles
Jeep Gladiator SportWillys
Jeep Gladiator Sport, Willys, Overland, Rubicon (2019-2021, ERC engine code)
Failure mileage range
60,000-90,000 miles
Typical failure window
Root cause
Early-production tensioners lack sufficient damping, allowing chain slack that accelerates guide wear and can lead to catastrophic interference if ignored.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Tensioner Replacement | £1,800 - £2,600 | £1,200 - £1,800 | Replace tensioner, guides, and chain before catastrophic failure | Viable only if caught early; prevents major damage if addressed at first rattle |
| Intermediate - Cylinder Head Inspection | £3,200 - £4,800 | £2,100 - £3,400 | Remove head to inspect valves/pistons after chain jump, replace damaged components | Only appropriate if damage is limited; often leads to full replacement decision |
| Full Replacement - Rebuilt / Reconditioned Engine | £7,500 - £11,000 | £3,850 - £6,200 | Supply & fit rebuilt ERC engine with upgraded tensioner kit, bench tested, 12-month warranty | Most cost-effective solution once interference damage occurs; restores full reliability |
Our recommendation
If you hear timing chain rattle on a Gladiator under 80k miles, get a specialist assessment immediately. For vehicles with confirmed interference damage, a rebuilt ERC engine with upgraded tensioner components offers better long-term value than attempting partial repairs.
Compare rebuilt ERC engine prices for your Jeep GladiatorReplacement Engine Options
Jeep Gladiator Engine TypesOptions, Costs & What to Expect
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 Reconditioned Engines (Recon)£3,850 - £5,900((supply only))
Jeep Gladiator Rebuilt Engines£4,100 - £6,500((supply only))
Jeep Gladiator Used Engines£2,400 - £4,200((supply only))
Jeep Gladiator Remanufactured Engines£4,800 - £7,800((supply only))
Jeep Gladiator Refurbished Engines£3,200 - £5,100((supply only))
Compare Jeep Gladiator engine prices with vetted UK suppliers
All engine types include a minimum 12-month unlimited mileage 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
ϟ
Power output
Verified by registration
△
Common Failure Points
Timing chain tensioner wear (TSB 2021-045), oil filter housing leaks, VVT phaser rattle on higher-mileage units
Production Years: JT, 2019-2024
Compare Jeep Compass 3.6L petrol engine pricesFuel 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.
Jeep Gladiator Petrol Engines
PetrolThe 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
- •Sport
- •Sport S
- •Willys
1 of 2
Jeep Gladiator Petrol Engines
PetrolThe 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
- •Sport
- •Sport S
- •Willys
Jeep Gladiator Diesel Engines
DieselThe 3.0L EcoDiesel V6 (EXJ) delivers exceptional low-end torque for towing but requires strict emissions system maintenance and TSB-compliant rebuilds.
Common Jeep Gladiator Diesel Engine Families
- •EXJ - Sole diesel code for UK Gladiator, EGR cooler and DPF system compliance critical per TSB 2020-034
Found In
- •JT Generation Diesel Variants (2020-2024) - Sport Diesel, Overland Diesel, Rubicon Diesel
Known For
- •Outstanding towing torque and fuel economy for commercial/off-road use
- •EGR cooler failure risk requiring updated components and software calibration
- •Premium pricing due to lower UK availability and emissions certification requirements
Typical Diesel Models
- •Sport Diesel
- •Overland Diesel
- •Rubicon Diesel
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 YearsGet quotes for 2019-2020 Jeep Gladiator replacement engines →
Jeep Gladiator Engines by YearWhat Was Fitted & WhenJeep Gladiator Engines by Year - What 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.
⚙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
▣Main Engines
ERC- 3.6L petrol (Sport / Willys / Overland / Rubicon)
▰Popular Models
- •Jeep Gladiator Sport
- •Jeep Gladiator Rubicon
- •Jeep Gladiator Overland
- •Jeep Gladiator Willys
🔧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
Engine Codes Covered:
ERCNot sure which year your Jeep Gladiator was built- Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12-month warranty from UK Jeep Gladiator specialists.
FAQ