Jaguar XE S Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Jaguar XE S engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best supply & fit solution for your 3.0L V6 Supercharged performance saloon.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £6,000 to £9,500 [EM-QUOTE]
Used from £2,500 · Reconditioned from £4,500 · Common codes: AJ126
From £2,500
Tested, bare/short engine
From £4,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Jaguar XE S Replacement Engineto Finding the Best Jaguar XE S Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryJaguar XE S - Engine History & Specs at a Glance
When the Jaguar XE S launched, it served as the high-performance flagship of the compact executive XE range, delivering 380hp from a proven supercharged V6. Throughout its production run, it retained this singular, potent engine architecture, prioritising linear power delivery and distinctive sound over the four-cylinder Ingenium units found in lower trims.
Variant HistoryJaguar XE S - Engine History & Specs at a Glance
When the Jaguar XE S launched, it served as the high-performance flagship of the compact executive XE range, delivering 380hp from a proven supercharged V6. Throughout its production run, it retained this singular, potent engine architecture, prioritising linear power delivery and distinctive sound over the four-cylinder Ingenium units found in lower trims.
Jaguar XE S
Fuel TypePetrol (Supercharged)
Engine Size Range3.0L
Power Output Range380hpEngine History Timeline
AJ126 3.0L V6 Supercharged Petrol, 380hp (Launch of the XE S, featuring the carry-over AJ-V6 supercharged engine from the XF/XJ).
Final model year for the dedicated XE S V6 variant as Jaguar shifted the performance focus of the facelifted XE range toward the high-output 2.0L Ingenium P300 MHEV.
Key Specs Snapshot
Fuel TypePetrol (Supercharged)Engine Size Range3.0LPower Output Range380hpYears Produced2015-2019Every engine fitted to the Jaguar XE S is covered below, with UK rebuilt pricing and known failure points to help you make an informed replacement decision.
Jaguar XE S Engine Codes - Specifications & Replacement CostJaguar XE S Engine Codes - Specifications & Replacement Cost
3.0L V6 Supercharged Petrol (2015-2019)
Power Output380hpYears Fitted2015-2019
Compatible Trim Levels
- XE S
- XE S AWD
- XE S R-Dynamic
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£2,500-£4,500
Reconditioned
Addressed known issues, tested
£4,500-£7,500
Rebuilt
Full teardown, upgraded internals
£6,000-£9,500
Common Failure
Water pump failure, coolant leaks from crossover pipes, timing chain tensioner wear, and supercharger coupler wear are commonly reported issues, typically emerging between 60,000 and 120,000 miles.
The Jaguar XE S reliability profile is defined by the AJ126 3.0L supercharged V6. While generally more robust than the four-cylinder Ingenium diesels, it has specific, well-documented vulnerabilities, particularly concerning the cooling system and supercharger drivetrain. Rebuilt engines supplied through EnginesMarket include upgraded components addressing these original failure points, backed by a minimum 12-month unlimited-mileage warranty.
Why the Jaguar XE S AJ126 Develops a Rattle
Affected Vehicles
Jaguar XE S (AJ126, 2015-2019)
Typical Failure Mileage
60,000 - 120,000 miles
Root Cause
The rubber isolator (coupler) between the supercharger snout and the drive pulley degrades over time due to heat and torque loads, causing a distinct rattling or whining noise on acceleration.
Why It Happens
The rubber isolator (coupler) between the supercharger snout and the drive pulley degrades over time due to heat and torque loads, causing a distinct rattling or whining noise on acceleration.
Dealer (parts + labour)
£800-£1,200
Specialist (parts + labour)
£500-£1,000
What it involves
Removing the supercharger snout and replacing the worn rubber isolator with an updated, more durable part.
Suitability
Highly effective if caught early before secondary damage occurs to the supercharger rotors.
1 - 2 daysDealer (parts + labour)
£9,000-£13,000
Specialist (parts + labour)
£6,000-£9,500
What it involves
Supply & fit of a fully rebuilt AJ126 with upgraded cooling and timing components, plus 12-month warranty.
Suitability
The right call if the rattling has been ignored, leading to internal supercharger or timing chain damage.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Minor - Supercharger Coupler Replacement Minor | £800-£1,200 | £500-£1,000 | Removing the supercharger snout and replacing the worn rubber isolator with an updated, more durable part. | Highly effective if caught early before secondary damage occurs to the supercharger rotors. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £9,000-£13,000 | £6,000-£9,500 | Supply & fit of a fully rebuilt AJ126 with upgraded cooling and timing components, plus 12-month warranty. | The right call if the rattling has been ignored, leading to internal supercharger or timing chain damage. | 1 - 2 days |
Our Recommendation
Our Recommendation
If your Jaguar XE S is exhibiting early signs of a supercharger rattle or minor coolant seepage, addressing it immediately with a specialist repair is the most economical path. However, if the vehicle has suffered overheating or severe internal knocking, a full rebuilt AJ126 engine is the only reliable long-term solution to restore the car's performance safely.
Don't Let Engine Failure Write Off Your Jaguar XE S
Whether you are dealing with a failing supercharger coupler or a coolant leak on your Jaguar XE S, the financial decision between repeated dealership repairs and a complete engine replacement is straightforward. EnginesMarket connects you with trusted UK specialists who supply fully rebuilt AJ126 engines featuring upgraded components that permanently address the original design flaws. Every unit comes with a minimum 12-month unlimited mileage warranty, nationwide delivery, and optional supply & fit packages, allowing you to bypass main dealer markups and return to the road with confidence.
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
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 EnginesMarket'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 Jaguar XE S. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Jaguar XE S Engine ReplacementFrequently Asked Questions
Question 1How much does a Jaguar XE S engine replacement cost-
A full rebuilt Jaguar XE S engine typically costs between £6,000 and £9,500 for supply only, while reconditioned units range from £4,500 to £7,500.
- Prices vary based on the extent of the rebuild and included upgrades (e.g., updated supercharger couplers).
- Specialist supply and fit labour typically adds £780 to £1,040 to the total cost.
- Used AJ126 engines are available from £2,500 but carry higher risk without a comprehensive warranty.
Question 2What are the signs of supercharger failure in a Jaguar XE S-
The most common early warning sign is a distinct rattling or whining noise from the front of the engine during acceleration, caused by a worn supercharger coupler.
- A metallic rattle on startup may also indicate timing chain tensioner wear.
- Loss of boost pressure or hesitation under hard acceleration.
- Check engine lights related to camshaft position or fuel trim.
Question 3Is it worth replacing the engine in a Jaguar XE S-
Yes, replacing the engine is often financially sensible, as the XE S retains strong residual values (£8,000-£18,000) compared to the cost of a rebuilt unit.
- A rebuilt AJ126 with upgraded components restores the car's 380hp performance reliably.
- It is significantly cheaper than purchasing a comparable used XE S with unknown history.
- The 12-month unlimited mileage warranty provides peace of mind that a used engine swap cannot match.
Question 4How long does a Jaguar XE S engine replacement take-
A professional Jaguar XE S engine swap typically takes 2 to 3 days at a specialist workshop.
- The AJ126 V6 requires careful extraction and installation due to the supercharger and tight engine bay packaging.
- Post-installation, the vehicle requires Topix diagnostic programming to pair the new ECU and clear adaptation values.
- Nationwide supply and fit services can often schedule this within a week of engine dispatch.
Question 5What is the difference between a used and a reconditioned Jaguar XE S engine-
A used Jaguar XE S engine is a second-hand unit pulled from another vehicle, while a reconditioned engine has been professionally stripped, inspected, and rebuilt with new wear items.
- Reconditioned AJ126 engines include updated water pumps, crossover pipes, and supercharger couplers to prevent repeat failures.
- Used engines are cheaper upfront (£2,500-£4,500) but carry the same mileage and wear risks as your original unit.
- Reconditioned units come with a minimum 12-month unlimited mileage warranty, making them the superior long-term investment.
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