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Jeep ERC 3.6 Pentastar Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 3.6-litre Pentastar V6 fitted to most modern Jeep Grand Cherokee, Wrangler and Gladiator models - reconditioned units from £2,800 with 12-month warranty, and one of the most-requested Jeep engine replacements in the UK .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£1,500
Reconditioned from
£2,800
Rebuilt from
£4,200
GB
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Key Specs
Jeep ERC 3.6 Pentastar - Specifications at a Glance
Engine Code
ERC (Pentastar family)
Fuel
Petrol
Configuration
3.6L V6, 24V, DOHC, Dual VVT, VVL
Power Output(s)
285-305 hp
Years Produced
2011-present (ERC variant from 2016)
UK Models Fitted
4 Jeep models - full list in Compatibility below
2025 UK Replacement Requests
Replaced
[No direct predecessor in inventory]
Replaced By
[No direct successor in inventory]
Most Common Failure
Oil cooler / filter housing leak
Reconditioned Price Range
£2,800-£4,800 supply-only
Vetted UK specialists for ERC replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Jeep Models Use the ERC 3.6 Pentastar-
TAG: Fitted To
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Jeep Grand Cherokee | WK2 (4th gen) | 3.6 V6 Pentastar | 2016-2022 | |
| Jeep Grand Cherokee | WL (5th gen) | 3.6 V6 Pentastar | 2021-present | |
| Jeep Wrangler | JL (4th gen) | 3.6 V6 Pentastar | 2017-present | |
| Jeep Gladiator | JT | 3.6 V6 Pentastar | 2019-present |
02
Jeep Grand Cherokee
03
Jeep Wrangler
04
Jeep Gladiator
CROSS-BRAND
ERC is documented across 4 BMW applications spanning Jeep Grand Cherokee, Jeep Wrangler, Jeep Gladiator. Registration lookup confirms the exact suffix before quotes are sent.
Not sure which engine your car has?
Not sure which engine your car has- Enter your registration above - we'll confirm your exact ERC fitment before any quotes are sent.
Prices
Jeep ERC 3.6 Pentastar Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £1,500-£2,800 | £2,200-£3,800 | 3-6 months |
Reconditioned | £2,800-£4,800 | £3,600-£5,800 | 12-24 months |
Rebuilt | £4,200-£6,500 | £5,000-£7,500 | 12-24 months |
All from Table A proxy - ERC not listed in proprietary data; pricing estimated using Pentastar family benchmarks . Fitted = supply price + labour band below.
Labour Guide
Fitting an ERC 3.6 Pentastar typically takes 8-12 hours at £65-£85/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
What genuinely moves the price for this engine is whether the oil cooler housing has been addressed - the factory plastic unit is a known failure point and upgrading to an aluminium replacement adds £300-£600 to the parts bill. Timing chain and rocker arm condition also affects used unit pricing; engines with documented service history command a premium. See our full reconditioned engine cost guide.
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Common Problems
Jeep ERC 3.6 Pentastar Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the ERC, based on real-world data and verified failure patterns.
Verified issue focus: Oil cooler / filter housing leak.
1. Oil cooler / filter housing failure - all ERC years
1. Oil cooler / filter housing failure - all ERC years
Typical onset:
40,000-100,000 miles
What happens:
The combined oil cooler and oil filter housing is made of plastic. Repeated heat cycles make it brittle; cracks develop, leading to oil leaks that pool in the V of the engine and drip down the back. The leak can be oil, coolant, or both. Overtightening the oil filter cap during changes (spec is only 18 ft-lb) accelerates failure.
Repair vs replace:
The housing itself can be replaced - many owners upgrade to an aftermarket aluminium housing (£300-£600) which eliminates the problem permanently. If the leak has been ignored and oil pressure has dropped, bearing damage may have occurred, requiring a full engine replacement.
Read more about this issue
2. Rocker arm and lifter failure - the "Pentastar Tick"
2. Rocker arm and lifter failure - the "Pentastar Tick"
Typical onset:
60,000-120,000 miles
What happens:
Faulty rocker arms and lifters cause a ticking noise (especially on cold start) that can progress to misfires, reduced power, and eventually camshaft damage if ignored. The failure appears more common on the right cylinder bank, suggesting an oil flow design issue.
Repair vs replace:
Rocker arm and lifter replacement is a top-end job (£800-£1,500 at an independent). If left until the camshaft is damaged, costs rise significantly. Full engine replacement is rarely needed unless oil starvation has occurred.
Read more about this issue
3. Cylinder head issues - early 2011-2013 models
3. Cylinder head issues - early 2011-2013 models
Typical onset:
30,000-80,000 miles
What happens:
Early Pentastar engines (2011-2013) suffered from left-cylinder-head leakage causing misfires (codes P0300, P0302, P0304, P0306). FCA issued an extended-warranty bulletin covering many 2011-2013 applications.
Repair vs replace:
Cylinder head replacement under warranty (where applicable) or at specialist cost (£1,500-£2,500). ERC-coded engines (2016+) are not affected by this specific early issue - but a 2022 campaign addressed a small number of 3.6 engines requiring left-side head replacement for misfire.
Read more about this issue
The ERC (2016+) benefits from ongoing refinement; the early cylinder-head issues of 2011-2013 are not present, though the oil cooler housing remains a weak point across all years. 2022+ models still use the same plastic oil cooler design.
Compare rebuilt ERC prices with the oil cooler already addressed
Engine Variants
How to Confirm You Have the ERC 3.6 Pentastar
The ERC is one of several codes in Chrysler's Pentastar V6 family. Unlike the earlier ERB (2011-2015) which had known cylinder-head issues, the ERC (2016+) benefits from ongoing production refinements including revised VVL hardware and updated ECU calibration. Where to find the engine code: - On the engine block - a stamped label on the front-left side of the V6 (looking from the front) - On the V5C registration document under "Engine number" - the ERC code appears in the first three characters - On the driver's door pillar or under-bonnet VIN/engine sticker - Via a VIN decoder - enter your full VIN online to confirm the factory engine code Common confusions: | Similar code | Difference | Link | |--------------|------------|------| | ERB | Earlier Pentastar (2011-2015); left-cylinder-head misfire issues more common | [ERB engine] | | EHB | 3.6L Pentastar variant with different calibration | [EHB engine] | | EHD | 3.6L Pentastar variant | [EHD engine] |
Not sure which code your Jeep has- Enter your registration above - we'll confirm your exact engine fitment.
Easily Confused
ERB
the earlier Pentastar 3.6 V6 used in 2011-2015 Jeeps. It shares the same basic architecture but is more prone to the left-cylinder-head misfire issue. ERC replaced it with revised VVL hardware and calibration. [Link to ERB engine]
Alternative / Next-Gen Code
The ERC is part of Stellantis' global Pentastar family. It also powers the Chrysler Pacifica (2017-2023) and Dodge Durango (2016-present) in markets outside the UK. For UK owners, only Jeep applications are relevant
but if you are sourcing a unit from a breaker, verify the donor vehicle's engine code matches your ERC exactly.
Confirm the exact ERC fitment
Not sure which code your Jeep has- Enter your registration above - we'll confirm your exact engine fitment.
Buying Guide
Buying a Replacement ERC 3.6 Pentastar - What to Choose
Choosing the right replacement route depends on your budget, risk tolerance, and ownership goals. Here's a breakdown of your options.
Used:
A used ERC can make sense for older Grand Cherokee or Wrangler examples where vehicle value doesn't justify a recon unit. However - insist on documented service history and evidence that the oil cooler housing has been replaced or isn't leaking. The "Pentastar Tick" (rocker arm noise) is a red flag on any used unit; walk away if you hear it on cold start.
Reconditioned:
A proper ERC recon addresses the oil cooler housing (often upgraded to aluminium), replaces rocker arms and lifters, checks timing chain health, and renews all gaskets and seals. This is the sweet spot for most UK owners - the failure-prone components are addressed, you get 12-24 months warranty, and cost is far below a new unit.
Rebuilt:
A full rebuild of the ERC is rarely needed unless the engine has suffered oil starvation from an ignored cooler leak, leading to bottom-end damage. If rebuilding, specify upgraded aluminium oil cooler housing, new timing chain and guides, and full rocker/lifter replacement. This is the "zero-risk" option for high-value Wrangler Rubicon or Grand Cherokee Overland examples.
Supply & Fit Line:
Fitting through our network of vetted UK Jeep specialists - supply-only or full supply and fit, with nationwide delivery and warranty cover on every reconditioned and rebuilt unit.
Vehicle Value Note:
The ERC sits in vehicles with wide value ranges - a 2016 Grand Cherokee may be worth £8,000-£12,000, while a 2023 Wrangler Rubicon can exceed £40,000. For lower-value examples (sub-£8,000), a used engine with documented history may be the most financially sensible route. For higher-value or off-road-use vehicles, a reconditioned unit with upgraded oil cooler is the better long-term investment. Always evaluate the specific vehicle's condition and value before committing to a £4,000+ replacement.
Compare ERC Engine Prices Now plaintext
Related Engines
Engines Related to the Jeep ERC 3.6 Pentastar
Explore engines that are closely related to the Jeep ERC, including its predecessor, successor, and key family variants.
Predecessor
ERB
the earlier Pentastar 3.6 V6 used in 2011-2015 Jeeps. It shares the same basic architecture but is more prone to the left-cylinder-head misfire issue. ERC replaced it with revised VVL hardware and calibration. [Link to ERB engine]
Cross-Brand Twin
The ERC is part of Stellantis' global Pentastar family. It also powers the Chrysler Pacifica (2017-2023) and Dodge Durango (2016-present) in markets outside the UK. For UK owners, only Jeep applications are relevant
but if you are sourcing a unit from a breaker, verify the donor vehicle's engine code matches your ERC exactly.
FAQ
Jeep ERC 3.6 PentastarFrequently Asked Questions
Question 1What is the Jeep ERC 3.6 Pentastar engine replacement cost in the UK-
A reconditioned ERC engine typically costs £2,800-£4,800 supply-only, with fitted prices ranging from £3,600-£5,800 at an independent specialist. Used engines are cheaper at £1,500-£2,800 but carry higher risk. Rebuilt units go up to £6,500 supply-only. Labour adds 8-12 hours at £65-£85/hr.
- Used engines are cheaper at £1,500-£2,800 but carry higher risk.
- Rebuilt units go up to £6,500 supply-only.
- Labour adds 8-12 hours at £65-£85/hr.
Question 2What is the most common failure on the Jeep ERC Pentastar engine-
The most common failure is the plastic oil cooler / filter housing, which cracks and leaks oil or coolant into the V of the engine. Typical onset is 40,000-100,000 miles. The fix is housing replacement; many owners upgrade to an aluminium unit (£300-£600) to prevent recurrence. If ignored, oil pressure drops can cause bottom-end bearing failure, requiring a full engine replacement.
- Typical onset: 40,000-100,000 miles.
- The fix is housing replacement; many owners upgrade to an aluminium unit (£300-£600) to prevent recurrence.
- If ignored, oil pressure drops can cause bottom-end bearing failure, requiring a full engine replacement.
Question 3Which Jeep models use the ERC 3.6 Pentastar engine-
The ERC is fitted to core Jeep models from 2016 onward, including Grand Cherokee (WK2 2016-2022, WL 2021-present), Wrangler (JL 2017-present), and Gladiator (JT 2019-present).
- Grand Cherokee (WK2 2016-2022, WL 2021-present)
- Wrangler (JL 2017-present)
- Gladiator (JT 2019-present)
Question 4What is the "Pentastar Tick" on the Jeep ERC engine-
The Pentastar Tick is a tapping noise caused by failing rocker arms and lifters, most noticeable on cold start. Typical onset is 60,000-120,000 miles. It can progress to misfires and camshaft damage if ignored. Top-end repair costs £800-£1,500; full engine replacement is rarely needed unless oil starvation occurs.
- Typical onset: 60,000-120,000 miles.
- It can progress to misfires and camshaft damage if ignored.
- Top-end repair costs £800-£1,500; full engine replacement is rarely needed unless oil starvation occurs.
Question 5Should I buy a used or reconditioned ERC engine-
Choose a used ERC only if it has full documented service history and the oil cooler has been replaced - otherwise, the risk of the same failures recurring is high. A reconditioned unit is the better choice for most owners, as it addresses the oil cooler (often upgraded to aluminium), replaces rocker arms and lifters, and includes a 12-24 month warranty. Browse reconditioned ERC engines with warranty.
Compare ERC quotesQuestion 6How do I confirm my Jeep has the ERC engine code-
Check three places: the engine block itself (a stamped label on the front-left side), your V5C registration document under "Engine number" (the first three characters are "ERC"), and use a VIN decoder online with your full 17-digit VIN to pull the factory build sheet.
- The engine block itself - a stamped label on the front-left side.
- Your V5C registration document under "Engine number" - the first three characters are "ERC".
- Use a VIN decoder online with your full 17-digit VIN to pull the factory build sheet.
Compare Jeep ERC 3.6 Pentastar Engine Prices Today
Compare free, no-obligation quotes for your exact Jeep ERC engine. Whether you need a used unit for a budget Grand Cherokee rebuild or a fully reconditioned Pentastar with upgraded oil cooler for your Wrangler, our network of UK specialists delivers transparent pricing. Enter your registration to confirm fitment - with reconditioned ERC units from £2,800, comparing takes two minutes and could save four figures. META & SCHEMA PACKAGE
Vetted UK Specialists
Vetted UK specialists for ERC replacements
Minimum 12-Month Warranty
Minimum 12-month warranty on reconditioned and rebuilt options
Nationwide Delivery
Nationwide delivery plus supply and fit availability
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Secure enquiry - no spam. Quotes only from vetted UK engine specialists.
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