Jaguar SType 3.0 V6 Engine Replacement - Compare Prices & Get Quotes
Get quotes today from trusted UK Jaguar S-Type 3.0 V6 engine specialists. Compare prices on reconditioned, rebuilt and used 3.0-litre V6 engines, with supply & fit available nationwide.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers

From £1,500 to £2,800 [ESTIMATED]
Used from £600 · Reconditioned from £1,300 · Common codes: AJ26, AJ27, AJ30
From £600
Tested, bare/short engine
From £1,300
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 S-Type 3.0 V6 Replacement Engineto Finding the Best Jaguar S-Type 3.0 V6 Replacement Engine
Most replacements completed within 3-5 days.
Jaguar S-Type 3.0 V6 - Engine History & Specs at a Glance
Launched in 1999 as the core petrol powerplant for the S-Type, the 3.0 V6 evolved from the early AJ26 to the refined AJ27 and AJ30 units, delivering smooth, linear performance and classic Jaguar refinement throughout the X200 generation.

Jaguar S-Type 3.0 V6 - Engine History & Specs at a Glance
Launched in 1999 as the core petrol powerplant for the S-Type, the 3.0 V6 evolved from the early AJ26 to the refined AJ27 and AJ30 units, delivering smooth, linear performance and classic Jaguar refinement throughout the X200 generation.
Jaguar S-Type 3.0 V6
Engine History Timeline
AJ26 3.0L Petrol, 238hp (Launch of the S-Type with the original 3.0L V6 architecture)
AJ30 3.0L Petrol, 240hp (Revised mid-generation V6 featuring updated engine management and reinforced timing components)
AJ27 3.0L Petrol, 240hp (Facelift update with improved internal durability and smoother operation across SE, Sport, and Classic trims)
Key Specs Snapshot
Every 3.0L V6 engine fitted to the Jaguar S-Type 3.0 V6 is covered below, with UK rebuilt pricing and known failure points.
Jaguar S-Type 3.0 V6 Engine Codes - Specifications & Replacement CostJaguar S-Type 3.0 V6 Engine Codes - Specifications & Replacement Cost
3.0L Petrol (1999-2002)
Compatible Trim Levels
- 3.0 V6 Classic
- 3.0 V6 SE
- 3.0 V6 Sport
- 3.0 V6 Executive

Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£600-£1,400
Reconditioned
Addressed known issues, tested
£1,200-£2,200
Rebuilt
Full teardown, upgraded internals
£1,400-£2,700
Common Failure
Primary timing chain tensioner failure causing catastrophic damage, and intake manifold vacuum leaks at high mileage.


The Jaguar S-Type 3.0 V6 is renowned for its smooth power delivery, but it is not immune to well-documented vulnerabilities, particularly around the AJ-V6 timing system wear and VCT solenoid issues. Every rebuilt engine supplied through EnginesMarket includes upgraded internal components designed to permanently address the original failure points, backed by a minimum 12-month unlimited mileage warranty.

Why the Jaguar S-Type 3.0 V6 Fails Prematurely
Affected Vehicles
Jaguar S-Type 3.0 V6 (AJ26, AJ27, AJ30, 1999-2008)
Typical Failure Mileage
60,000 - 90,000 miles
Root Cause
Original composite timing chain guides and hydraulic tensioners degrade under heat cycles, allowing chain slack that causes rattling on cold starts and eventual timing jump or valve collision.
Why It Happens
Original composite timing chain guides and hydraulic tensioners degrade under heat cycles, allowing chain slack that causes rattling on cold starts and eventual timing jump or valve collision.
Dealer (parts + labour)
£2,200 - £2,800
Specialist (parts + labour)
£1,100 - £1,500
What it involves
Replacing plastic guides, metal tensioner, and chains before catastrophic failure occurs
Suitability
Adds 50,000-80,000 miles of reliable service if caught early
Dealer (parts + labour)
£3,500 - £4,500
Specialist (parts + labour)
£1,800 - £2,400
What it involves
Addressing bent valves, replacing damaged camshafts, and fitting upgraded timing components
Suitability
Viable only if block damage is absent; requires specialist precision
Dealer (parts + labour)
£4,500 - £6,500
Specialist (parts + labour)
£1,500 - £2,800
What it involves
Complete engine swap with upgraded metal tensioners, bench-tested long block, supply & fit
Suitability
Lifetime solution with 12-month warranty; resolves all internal wear simultaneously
| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
Minor - Preventative Timing Kit Installation Minor | £2,200 - £2,800 | £1,100 - £1,500 | Replacing plastic guides, metal tensioner, and chains before catastrophic failure occurs | Adds 50,000-80,000 miles of reliable service if caught early | |
Intermediate - Cylinder Head & Timing Repair Best Value | £3,500 - £4,500 | £1,800 - £2,400 | Addressing bent valves, replacing damaged camshafts, and fitting upgraded timing components | Viable only if block damage is absent; requires specialist precision | |
Full Replacement - rebuilt/reconditioned engine Best Value | £4,500 - £6,500 | £1,500 - £2,800 | Complete engine swap with upgraded metal tensioners, bench-tested long block, supply & fit | Lifetime solution with 12-month warranty; resolves all internal wear simultaneously |
Vehicle Value Check
Vehicle Value Check
A typical Jaguar S-Type 3.0 V6 (1999-2008) is currently valued between £1,000 and £3,500 [THIRD-PARTY]. - Vehicle worth under ~£5,000: evaluate both; a reconditioned engine is viable if keeping the car 2+ years, but if the replacement cost approaches the vehicle's value, evaluate scrap value first. State plainly: For an S-Type 3.0 V6 valued around £2,000, a £2,800 rebuilt engine may exceed the car's market value. However, for well-maintained, low-mileage examples with solid bodywork, the rebuilt unit extends the vehicle's life significantly compared to the risk of another used engine failure.
Our Recommendation
Our Recommendation
If your Jaguar S-Type 3.0 V6 is making a distinct rattling noise on cold startup but still runs smoothly, invest in a preventative timing chain kit from a trusted specialist immediately. Once the chain jumps or valves contact pistons, a full rebuilt engine with upgraded metal guides is the most economically sensible route.

Don't Let Engine Failure Write Off Your Jaguar S-Type 3.0 V6
The Jaguar S-Type 3.0 V6’s engineering demands precise diagnostics and specialist intervention, but you should never be forced to pay main dealer premiums for a repair that outvalues the car itself. Our network connects you directly with vetted UK engine specialists who supply fully rebuilt units featuring upgraded components that eliminate known weak points like plastic timing guides and faulty VCT solenoids. Every comparison includes transparent pricing, nationwide delivery, and a minimum 12-month unlimited mileage warranty so you can restore your executive saloon with complete confidence.
Compare rebuilt AJ27 and AJ30 Jaguar S-Type 3.0 V6 engine prices today
Important 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 S-Type 3.0 V6. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Jaguar S-Type 3.0 V6 Engine ReplacementFrequently Asked Questions
Question 1How much does a Jaguar S-Type 3.0 V6 engine replacement cost-
A rebuilt Jaguar S-Type 3.0 V6 engine typically costs between £1,500 and £2,800 for supply only, depending on the specific engine code (AJ26, AJ27, or AJ30) and condition.
- Used engines start around £600-£1,500 but carry unknown mileage risks.
- Supply and fit packages typically add £800-£1,500 for labour, recovery, and warranty coverage.
- All EnginesMarket quotes include a minimum 12-month unlimited mileage warranty.
Question 2What causes timing chain failure on the Jaguar S-Type 3.0 V6-
Original plastic timing chain guides and hydraulic tensioners on AJ26, AJ27, and AJ30 engines degrade with heat cycles, allowing chain slack that causes rattling on cold starts.
- Failure typically occurs between 60,000-90,000 miles on neglected engines.
- Metal tensioner upgrades prevent repeat failures in rebuilt units.
- Early rattling on startup is the key warning symptom owners should monitor.
Question 3Is it worth replacing the engine in a Jaguar S-Type 3.0 V6-
Yes, if your S-Type has low mileage and solid bodywork, a rebuilt engine often costs less than buying another used executive saloon.
- Rebuilt AJ27 or AJ30 engines typically cost £1,500-£2,800 supply only.
- Cars worth under £1,500 may not justify full engine replacement investment; evaluate scrap value first.
- Upgraded timing components in rebuilt units address original failure points for long-term reliability.
Question 4What are the symptoms of a failing VCT solenoid on a Jaguar S-Type 3.0 V6-
Sludge accumulation or internal solenoid wear disrupts oil flow to the Variable Cam Timing phasers, triggering specific drivability issues.
- Rough idle and loss of low-end torque.
- Check engine light with cam timing correlation fault codes.
- Occasional stalling or hesitation during acceleration.
Question 5Does a replacement Jaguar S-Type 3.0 V6 engine need ECU coding-
Most Jaguar S-Type 3.0 V6 engine swaps do not require full ECU reprogramming if you fit an identical engine code.
- Matching engine codes (e.g., AJ27 to AJ27) usually plug-and-play without coding.
- PATS immobiliser systems may require dealer-level diagnostic tools to pair the new engine's ECU with your car's existing security module.
- Supply and fit specialists often handle ECU pairing as part of the installation service.
Question 6Will a Land Rover or other Jaguar 3.0 V6 engine fit my S-Type-
The AJ-V6 3.0L architecture was used across several Jaguar models, but direct swaps require careful verification.
- Core block architecture is similar, but engine mounts, wiring looms, and ancillary brackets vary by vehicle application.
- ECU software must match S-Type calibration for proper transmission communication.
- Using a Jaguar S-Type donor engine minimises compatibility risks during replacement fitting.
Compare Jaguar S-Type 3.0 V6Engine PricesToday
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Comparing quotes is free, no-obligation, and specific to your exact Jaguar S-Type 3.0 V6 and engine code. Whether you need a budget-friendly used unit or a fully rebuilt 3.0L V6 engine with upgraded timing components and a 12-month warranty, our vetted UK specialists provide transparent pricing and professional supply & fit options to get you back on the road with confidence.

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