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Jeep EXF 3.0 EcoDiesel Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 3.0-litre V6 turbo diesel fitted to Jeep Grand Cherokee, Wrangler and Gladiator models from 2014 - one of the most torque-rich diesel options ever offered in a Jeep, with reconditioned units from approximately £3,500-£5,500 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£1,800
Reconditioned from
£3,500
Rebuilt from
£5,500
GB
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Key Specs
Jeep EXF 3.0 EcoDiesel - Specifications at a Glance
Engine Code
EXF (VM Motori L630 / EcoDiesel family)
Fuel
Diesel
Configuration
3.0L V6, 24v DOHC, turbocharged, common-rail
Power Output(s)
190-260 hp (dependent on tune); 440-570 Nm torque
Years Produced
2014-2023
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 - EcoDiesel retired 2023]
Most Common Failure
High-pressure fuel pump (Bosch CP4.2) failure / main bearing failure
Reconditioned Price Range
£3,500-£5,500 supply-only
Vetted UK specialists for EXF replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Jeep Models Use the EXF 3.0 EcoDiesel-
TAG: Fitted To
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Jeep Grand Cherokee | WK2 (4th gen) | 3.0 CRD V6 EcoDiesel | 2014-2021 | |
| Jeep Grand Cherokee | WL (5th gen) | 3.0 EcoDiesel V6 | 2021-2022 | |
| Jeep Wrangler | JL (4th gen) | 3.0 EcoDiesel V6 | 2020-2023 | |
| Jeep Gladiator | JT | 3.0 EcoDiesel V6 | 2020-2023 |
02
Jeep Grand Cherokee
03
Jeep Wrangler
04
Jeep Gladiator
CROSS-BRAND
EXF 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 EXF fitment before any quotes are sent.
Prices
Jeep EXF 3.0 EcoDiesel Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £1,800-£3,200 | £2,600-£4,300 | 3-6 months |
Reconditioned | £3,500-£5,500 | £4,300-£6,700 | 12-24 months |
Rebuilt | £5,500-£8,000 | £6,300-£9,200 | 12-24 months |
All figures . Fitted = supply price + labour band below.
Labour Guide
Fitting an EXF 3.0 EcoDiesel typically takes 10-14 hours at £65-£85/hr (independent) - the V6 layout and engine bay packaging add complexity. Confirm exact labour when comparing quotes.
Price Factors
What genuinely moves the price for this engine is whether the high-pressure fuel pump (Bosch CP4.2) has been replaced under recall, and whether the oil cooler has been addressed. Used units without documented fuel pump replacement carry significant risk - metal debris from a failed CP4.2 can contaminate the entire fuel system, turning a £2,000 pump replacement into a £6,000+ fuel-system overhaul. See our full reconditioned engine cost guide.
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Common Problems
Jeep EXF 3.0 EcoDiesel Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the EXF, based on real-world data and verified failure patterns.
Verified issue focus: High-pressure fuel pump (Bosch CP4.2) failure / main bearing failure.
1. High-pressure fuel pump (Bosch CP4.2) failure - all EXF years
1. High-pressure fuel pump (Bosch CP4.2) failure - all EXF years
Typical onset:
60,000-120,000 miles; recall covers 2019-2021 builds
What happens:
The Bosch CP4.2 high-pressure fuel pump has a design flaw - it relies on fuel for lubrication. Contaminated or low-quality diesel, or air ingress, can cause internal failure. When it fails, it sends metal debris through the entire fuel system - injectors, fuel rails, and lines - causing catastrophic contamination. Stellantis issued multiple recalls for this issue across 2014-2020 and 2020-2022 models.
Repair vs replace:
If the pump fails and contaminates the system, you're looking at a full fuel-system replacement (£4,000-£8,000) - often more than the engine itself. If caught early (before metal debris circulates), pump-only replacement may suffice. Always check recall status before buying any used EXF.
Read more about this issue
2. Main bearing failure - the "Eco Boom"
2. Main bearing failure - the "Eco Boom"
Typical onset:
80,000-120,000 miles
What happens:
Soot from the EGR system accumulates in the intake manifold and is drawn into the engine, contaminating the oil and destroying main bearings. Teardowns have shown three of four main bearings completely disintegrated at just 82,000 miles. The result is catastrophic engine failure - often with metal "glitter" throughout the oil pan.
Repair vs replace:
Main bearing failure typically writes off the engine. A full rebuild or replacement is required - there is no cost-effective repair once bearings have failed.
Read more about this issue
3. Oil cooler failure - coolant contamination
3. Oil cooler failure - coolant contamination
Typical onset:
80,000-150,000 miles
What happens:
The EXF has a water-cooled oil cooler. Under heavy load (towing, off-roading), the cooler can fail internally, allowing oil to mix with coolant. This appears as oil in the expansion tank and can lead to overheating, seized water pumps, and contaminated coolant systems requiring multiple flushes.
Repair vs replace:
Oil cooler replacement is a significant job but manageable (£800-£1,500 at an independent). If coolant contamination has been ignored and the engine has overheated, bottom-end damage may have occurred.
Read more about this issue
The EXF EcoDiesel was updated in 2020 (Gen 3) with revised internal components. However, the Bosch CP4.2 fuel pump recall applies to 2020-2022 models - so even newer units are not immune. Always verify recall work has been completed before purchasing any used EXF vehicle or engine.
Compare rebuilt EXF prices with the fuel pump already addressed
Engine Variants
How to Confirm You Have the EXF 3.0 EcoDiesel
The EXF is one of several codes in the VM Motori L630 / EcoDiesel family. Understanding the differences matters when buying a replacement - not all 3.0 V6 diesels are interchangeable. Where to find the engine code: - On the engine block - a stamped label on the front or side of the V6 - On the V5C registration document under "Engine number" - the EXF 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 17-digit VIN online to confirm the factory engine code Common confusions: | Similar code | Difference | Link | |--------------|------------|------| | EXN | 3.0L EcoDiesel variant; different ECU calibration and emissions tuning | [EXN engine] | | EXJ | Later 3.0L EcoDiesel (2019-2021) with revised internals and emissions hardware | [EXJ engine] | | ENC / ENJ / ENS | Earlier VM Motori 3.0 V6 diesel family; different mounting and ECU | [ENC/ENJ/ENS engines] | | ERC / EHB | 3.6L Pentastar petrol V6 - completely different engine | [ERC engine] (see previous page) |
Not sure which code your Jeep has- Enter your registration above - we'll confirm your exact engine fitment.
Easily Confused
ENC / ENJ / ENS
the earlier VM Motori 3.0 V6 diesel family fitted to Jeep Grand Cherokee (WK2) from 2006-2013. These earlier units used different injection systems (older common-rail) and lacked the CP4.2 fuel pump issues that plague the EXF, but had their own set of reliability concerns. [Link to ENC/ENJ/ENS engines]
Alternative / Next-Gen Code
The EXF / EcoDiesel engine is shared across Stellantis' US lineup. It also powers the Ram 1500 (2014-2023) and Chrysler 300C LD (2011+)
though these are not UK-market core models. If sourcing a used unit, verify the donor vehicle's engine code matches your EXF exactly; Ram and Chrysler applications may have different ECU calibrations, sumps, and ancillary fitment.
Confirm the exact EXF fitment
Not sure which code your Jeep has- Enter your registration above - we'll confirm your exact engine fitment.
Buying Guide
Buying a Replacement EXF 3.0 EcoDiesel - 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 EXF is a high-risk proposition. The Bosch CP4.2 fuel pump failure and main bearing issues mean that without documented proof of recall completion and full service history, you are buying a potential time bomb. Only consider a used unit if: (1) the CP4.2 pump has been replaced under recall with documentation, (2) the oil cooler has been inspected and is not leaking, and (3) the engine has sub-80,000 miles with full oil change history.
Reconditioned:
This is the sweet spot for most EXF owners. A proper recon addresses the known weak points - the fuel pump is replaced or fully tested, the oil cooler is replaced (often with an upgraded unit), main bearings are inspected and replaced where necessary, and the EGR system is cleaned or replaced. With 12-24 months warranty, this is the safest route for a high-value Grand Cherokee or Wrangler.
Rebuilt:
A full rebuild of the EXF is usually only justified for low-mileage, high-value examples (e.g., Wrangler Rubicon EcoDiesel with under 60,000 miles). The rebuild must include new main bearings, a new or rebuilt CP4.2 pump, new oil cooler, new timing chain and guides, and full EGR/cooling system overhaul. This is the "zero-risk" option - but at £5,500-£8,000 supply-only, it's only viable for vehicles worth over £15,000.
Supply & Fit Line:
Fitting through our network of vetted UK Jeep and diesel specialists - supply-only or full supply and fit, with nationwide delivery and warranty cover on every reconditioned and rebuilt unit.
Vehicle Value Note:
The EXF sits in vehicles with wide value ranges - a 2014 Grand Cherokee may be worth £6,000-£10,000, while a 2022 Wrangler Rubicon EcoDiesel can exceed £40,000. For lower-value examples (sub-£8,000), a used engine with documented fuel pump replacement may be the only financially sensible option. For higher-value or off-road-use vehicles, a reconditioned unit with the known weak points addressed is the better long-term investment. Given the catastrophic failure modes of this engine, always evaluate the specific vehicle's condition, value, and intended use before committing to any replacement. If the vehicle is worth less than £6,000, consider whether a replacement is justified at all.
Compare EXF Engine Prices Now
Related Engines
Engines Related to the Jeep EXF 3.0 EcoDiesel
Explore engines that are closely related to the Jeep EXF, including its predecessor, successor, and key family variants.
Predecessor
ENC / ENJ / ENS
the earlier VM Motori 3.0 V6 diesel family fitted to Jeep Grand Cherokee (WK2) from 2006-2013. These earlier units used different injection systems (older common-rail) and lacked the CP4.2 fuel pump issues that plague the EXF, but had their own set of reliability concerns. [Link to ENC/ENJ/ENS engines]
Cross-Brand Twin
The EXF / EcoDiesel engine is shared across Stellantis' US lineup. It also powers the Ram 1500 (2014-2023) and Chrysler 300C LD (2011+)
though these are not UK-market core models. If sourcing a used unit, verify the donor vehicle's engine code matches your EXF exactly; Ram and Chrysler applications may have different ECU calibrations, sumps, and ancillary fitment.
FAQ
Jeep EXF 3.0 EcoDieselFrequently Asked Questions
Question 1What is the Jeep EXF 3.0 EcoDiesel engine replacement cost in the UK-
A reconditioned EXF EcoDiesel typically costs £3,500-£5,500 supply-only, with fitted prices ranging from £4,300-£6,700 at an independent specialist. Used engines are cheaper at £1,800-£3,200 but carry higher risk. Rebuilt units go up to £8,000 supply-only. Labour adds 10-14 hours at £65-£85/hr.
- Used engines are cheaper at £1,800-£3,200 but carry higher risk.
- Rebuilt units go up to £8,000 supply-only.
- Labour adds 10-14 hours at £65-£85/hr.
Question 2What is the most common failure on the Jeep EXF EcoDiesel engine-
The most common and catastrophic failure is the Bosch CP4.2 high-pressure fuel pump, which can fail and send metal debris through the entire fuel system. Typical onset is 60,000-120,000 miles. Stellantis issued multiple recalls for this issue across 2014-2020 and 2020-2022 models. If ignored, fuel system contamination can cost £4,000-£8,000 to repair. Main bearing failure (the "Eco Boom") is the other critical failure - often caused by EGR soot contaminating oil.
- Typical onset: 60,000-120,000 miles.
- Stellantis issued multiple recalls for this issue across 2014-2020 and 2020-2022 models.
- If ignored, fuel system contamination can cost £4,000-£8,000 to repair.
- Main bearing failure (the "Eco Boom") is the other critical failure - often caused by EGR soot contaminating oil.
Question 3Which Jeep models use the EXF 3.0 EcoDiesel engine-
The EXF is fitted to core Jeep models from 2014 through 2023, including Grand Cherokee (WK2 2014-2021, WL 2021-2022), Wrangler (JL 2020-2023), and Gladiator (JT 2020-2023).
- Grand Cherokee (WK2 2014-2021, WL 2021-2022)
- Wrangler (JL 2020-2023)
- Gladiator (JT 2020-2023)
Question 4Should I buy a used or reconditioned EXF EcoDiesel engine-
A used EXF is high-risk without documented proof of the CP4.2 fuel pump recall completion and full service history. A reconditioned unit is the better choice for most owners, as it addresses the known weak points - the fuel pump is replaced or fully tested, oil cooler and main bearings are inspected, and the EGR system is cleaned or replaced - and includes a 12-24 month warranty. Browse reconditioned EXF engines with warranty.
Compare EXF quotesQuestion 5What is the "Eco Boom" on the Jeep EcoDiesel-
Eco Boom is the owner-community name for catastrophic main bearing failure on the 3.0 EcoDiesel. Soot from the EGR system accumulates in the intake manifold and contaminates the oil, destroying main bearings - often with metal 'glitter' throughout the oil pan. Typical onset is 80,000-120,000 miles. The failure writes off the engine; a full rebuild or replacement is required. Prevention involves shortened oil change intervals (5,000 miles) and EGR cleaning.
- Typical onset: 80,000-120,000 miles.
- The failure writes off the engine; a full rebuild or replacement is required.
- Prevention: shortened oil change intervals (5,000 miles) and EGR cleaning.
Question 6How do I confirm my Jeep has the EXF engine code-
Check three places: the engine block itself (a stamped label on the front or side of the V6), your V5C registration document under "Engine number" (the first three characters should be "EXF"), 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 or side of the V6.
- Your V5C registration document under "Engine number" - the first three characters should be "EXF".
- Use a VIN decoder online with your full 17-digit VIN to pull the factory build sheet.
Compare Jeep EXF 3.0 EcoDiesel Engine Prices Today
Compare free, no-obligation quotes for your exact Jeep EXF EcoDiesel engine. Whether you need a used unit for a budget Grand Cherokee rebuild with confirmed CP4.2 recall, or a fully reconditioned EcoDiesel with upgraded oil cooler and main bearings for your Wrangler, our network of UK specialists delivers transparent pricing. Enter your registration to confirm fitment - with reconditioned EXF units from approximately £3,500, comparing takes two minutes and could save thousands. META & SCHEMA PACKAGE
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