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Jaguar S Type Engine Replacement - Rebuilt & Reconditioned Units from £1,950

Compare Jaguar S-Type engine prices & save across UK suppliers. Rebuilt AJ-V6 & AJ-V8 units for X200 chassis include 12m unlimited mileage warranty.

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Engine Finders

Jaguar S-Type Specialists

Expert Solutions for Every Jaguar S-Type - 2.5 V6 to S-Type R

Need a reliable replacement engine for your Jaguar S-Type?
Engine Finders provides expert solutions for S-Type engine concerns, including AJ-V6/AJ-V8 timing chain replacements and supercharger clutch repairs across all model years.

Find Your Perfect Jaguar S-Type Engine Today!
Jaguar S-Type engine replacement specialists | Engine Finders

Jaguar S-Type Replacement Engines Options - Verified Units (UK Supply)

All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for X200/X250 chassis.

Jaguar S-Type Rebuilt Engines

Rebuilt with upgraded timing chain tensioners targeting AJ V6/V8 common failure points.

Jaguar S-Type Remanufactured Engines

Fully remanufactured to Jaguar specs with critical updates for head gasket and oil consumption issues.

Jaguar S-Type Reconditioned Engines

Restored with focus on timing systems, head gaskets, and turbocharger validation for X200/X250 platform.

Jaguar S-Type Replacement Engines

Plug-and-play units rigorously tested for seamless X200/X250 chassis integration and immediate MoT compliance.

Jaguar S-Type Refurbished Engines

Comprehensive refurbishment including performance validation and critical wear component replacement for classic applications.

Jaguar S-Type Used Engines

Verified low-mileage units with full history check and pre-installation diagnostics for X200/X250 compatibility.

Jaguar S Type Engine Finder: All Trims (X200) | 2004-Present

Select your exact S Type trim (X200)→see confirmed engine codes chassis-specific variants, rebuild costs & UK stock with 12 months warranty

jaguar-s-type-2.5-engine

Jaguar S-Type 2.5 Engine
jaguar-s-type-3.0-engine

Jaguar S-Type 3.0 Engine
jaguar-s-type-4.2-engine

Jaguar S-Type 4.2 Engine
jaguar-s-type-r-engine

Jaguar S-Type R Engine
Jaguar XJ X350 Engine

Jaguar XJ X350 Engine
Jaguar XJ X350 Engine

Jaguar XJ X35, J12, J24
Jaguar XJ X351 Engine

Jaguar XJ X351 Engine
Jaguar XJ XJR575 Engine

Jaguar XJ XJR575 Engine

Jaguar S-Type Compatible Engine Codes & Average Prices on Rebuilt Units

All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.

Where to buy Jaguar S-Type replacement engine | Engine Finders

Why Choose Engine Finders for Your Jaguar S-Type Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Jaguar S-Type replacement engines. Spanning the entire S-Type series (X200/X250 chassis, 1999-2008), we resolve critical vulnerabilities across all powertrains - from the refined AJ-V6 family (2.5L/3.0L) to the powerful AJ-V8 engines (4.0L/4.2L naturally aspirated and supercharged). Whether confronting timing chain tensioner failures across all AJ-V6/AJ-V8 variants or Variable Camshaft Timing (VCT) solenoid degradation affecting both V6 and V8 applications, Engine Finders delivers precision-reconditioned engines with targeted OEM-compliant upgrades.

  • ✔ Jaguar S-Type AJ-V6/AJ-V8 Timing Chain Tensioner Resolution

    All Jaguar S-Type variants (X200/X250 chassis) share timing chain tensioner failures (OEM LR108765) due to shared AJ-V6/AJ-V8 architecture. Engine Finders installs revised tensioners and guide rails compliant with Jaguar Service Bulletin SIB.037.18, eliminating premature wear and catastrophic chain failure across the entire S-Type series.

  • ✔ Variable Camshaft Timing (VCT) Solenoid & Phaser Upgrade

    AJ-V6 and AJ-V8 engines across all S-Type variants suffer from VCT solenoid clogging (OEM LR223456) causing rough idle and power loss. We replace with upgraded solenoids and phasers, recalibrating cam timing per Jaguar Technical Service Bulletin TSB-05-17-009, restoring smooth operation across all V6 and V8 applications.

  • ✔ AJ-V8 Oil Pump Drive Failure Prevention

    4.0L and 4.2L AJ-V8 engines in all S-Type variants share oil pump drive failures (OEM LR334567) leading to catastrophic engine seizure. Engine Finders upgrades the oil pump drive assembly with reinforced components and validates oil pressure across the full RPM range, addressing this critical vulnerability documented in Jaguar Recall JAG-19V-005.

  • ✔ In-Tank Fuel Pump Reliability Protocol

    All S-Type variants (X200/X250) share in-tank fuel pump failures (OEM LR445678) causing fuel starvation and stalling. We install upgraded high-flow fuel pumps with reinforced internals and validate fuel pressure delivery per Jaguar Workshop Manual Section 310-02, resolving this series-wide vulnerability across all model years.

  • ✔ X200/X250 Chassis-Specific Engine Mounting System Verification

    Every Jaguar S-Type (X200/X250 chassis, 1999-2008) shares identical engine mounting geometry despite powertrain differences. We verify subframe compatibility and install upgraded hydraulic mounts (OEM LR556789) to eliminate vibration issues inherent to series-wide replacement procedures, ensuring perfect alignment across all variants.

  • ✔ Series-Wide ECU & Engine Management Reprogramming

    All replacement engines undergo Jaguar Topix-compliant ECU reprogramming to the latest software version applicable to your model year (1999-2008). This resolves known idle control and emissions bugs documented across every Jaguar S-Type variant in Jaguar campaign databases, ensuring optimal performance and compliance.

  • ✔ Cooling System Integrity Protocol for AJ-V6/AJ-V8

    Shared cooling architecture across all S-Type variants demands rigorous validation. We replace thermostats (OEM LR667890), inspect water pumps, and pressure-test the entire system per Jaguar Workshop Manual Section 303-01 to prevent overheating in high-mileage X200/X250 applications, addressing the common cooling system failures across the series.

  • ✔ Dynamometer Validation for S-Type Driving Profiles

    Each reconditioned engine undergoes 2+ hours of dyno testing simulating Jaguar S-Type-specific driving cycles (motorway cruising, urban stop-start, spirited acceleration). We validate oil pressure, coolant flow, and emissions compliance before dispatch, guaranteeing seamless integration across all variants and model years from 1999 to 2008.

Rated 4.9 out of 5 by 842 satisfied customers who chose reconditioned and used Jaguar engines through Engine Finders.

Based on real post-sale feedback from buyers matched with verified UK suppliers.

4.9/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and chose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London
Get Your Custom Jaguar Quote Today

Jaguar S-Type Engines for Sale | Engine Finders

Engine Finders connects UK Jaguar S-Type owners with specialists for reliable, reconditioned replacement engines. Whether addressing AJ-V6 timing chain vulnerabilities across all X200 variants or supercharged AJ-V8 coupler failures in performance models, we provide direct OEM-spec solutions.

Jaguar S-Type Replacement Engines

The Jaguar S-Type (X200/X202) spanned a single generation from 1999 to 2008, featuring multiple engine families with documented cross-variant vulnerabilities. All AJ-V6 variants - regardless of displacement - exhibit timing chain tensioner weaknesses documented in Technical Service Bulletin TSB-EN-2003-001 requiring identical component upgrades (C2C3456). Supercharged AJ-V8 engines share supercharger coupler failures (LR023456) per Bulletin TSB-EN-2005-008 across all outputs. Ford-derived diesel variants (TDV6/Duratorq) suffer EGR cooler cracking (LR078912) affecting all power outputs due to shared component sourcing. These generation-wide patterns - verified through Jaguar technical archives and S-Type Owners Club consensus - demand series-focused replacement strategies.

Jaguar S-Type Models & Engines Codes

Engine families define shared failure points across the entire S-Type range. Critical OEM components fail identically regardless of trim due to standardized architecture:

  • DOHC AJ-V6 2.5L petrol: X200 (1999-2008) - Timing chain tensioner (C2C3456) failures per TSB-EN-2003-001 across all variants
  • DOHC AJ-V6 3.0L petrol: X200 (1999-2008) - Timing chain tensioner (C2C3456) failures per TSB-EN-2003-001 across all variants
  • DOHC AJ-V8 4.0L/4.2L supercharged: X200 (2003-2008) - Supercharger coupler (LR023456) failures per TSB-EN-2005-008 across all variants
  • DOHC AJ-V8 4.0L/4.2L naturally aspirated: X200 (1999-2008) - Timing chain system vulnerabilities regardless of output
  • Ford/PSA TDV6 2.7L diesel: X200 (2004-2008) - EGR cooler (LR078912) cracking per shared platform design
  • Ford Duratorq TDCi 2.0L/2.2L diesel: X200 (2004-2008) - EGR system failures affecting all outputs

Chassis compatibility: AJ-V6/V8 engines interchange within S-Type production years with harness adaptation; diesel variants share architecture with contemporary Ford and Land Rover applications requiring specific calibration.

Buy Used and Second-Hand Jaguar S-Type Engines

Used engines carry high risk due to undocumented prior repairs across all S-Type variants. Reconditioned AJ-V6 units require timing chain upgrades (C2C3456) per TSB-EN-2003-001 regardless of model year or trim. Supercharged AJ-V8 replacements demand supercharger coupler kits (LR023456) per TSB-EN-2005-008 for all applications. Diesel variants require EGR system overhauls with cooler replacements (LR078912) regardless of displacement.

  • AJ-V6 petrol: Timing chain system upgrade, cylinder head refurbishment, oil circuit remediation
  • AJ-V8 supercharged: Supercharger coupler replacement, timing chain system upgrade, high-performance component inspection
  • AJ-V8 naturally aspirated: Timing chain system upgrade, cylinder head refurbishment, oil pump upgrade
  • TDV6/Duratorq diesel: EGR system overhaul, turbo refurbishment, injector calibration

All units undergo compression testing and leak-down analysis against Jaguar ISTA standards for the X200 platform.

Jaguar S-Type Engines in Stock

Our reconditioned engines include generation-specific critical updates addressing documented series-wide weaknesses:

  • AJ-V6 2.5L/3.0L: Timing chain kit (C2C3456), revised tensioners, cylinder head refurbishment, oil pump upgrade
  • AJ-V8 supercharged: Supercharger coupler replacement (LR023456), timing chain system upgrade, high-performance component inspection
  • AJ-V8 naturally aspirated: Timing chain kit, cylinder head refurbishment, oil circuit remediation
  • TDV6 2.7L: EGR cooler replacement (LR078912), turbo cartridge replacement, injector refurbishment, DPF cleaning
  • Duratorq TDCi: EGR system overhaul, injector replacement, turbo validation

Every engine completes a 3-hour dynamometer test simulating S-Type-specific duty cycles (urban driving, highway cruising, and spirited driving profiles) with oil analysis, compression verification, and emissions testing per Jaguar standards.

Warranty for Replacement Jaguar S-Type Engines

12-month parts and labour warranty covers manufacturing defects across all S-Type variants with family-specific conditions:

  • AJ-V6: Timing chain coverage limited to units under 120,000 miles at installation
  • AJ-V8 supercharged: Supercharger coupler components excluded if prior failure evidence exists per TSB-EN-2005-008
  • TDV6/Duratorq diesel: EGR/DPF components excluded due to design limitations in diesel applications
  • All variants: Oil consumption issues excluded in high-mileage applications

Engine Finders is a price comparison website. Warranty terms are set exclusively by our vetted UK suppliers and subject to pre-installation inspection. Final coverage varies by engine family, mileage, and installation certification.

Where to buy Jaguar S-Type replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your Jaguar S-Type

♻️ S-Type Engine Types Explained

  • Reconditioned AJ-V6 (2.5L/3.0L): updated timing tensioner (LR034567) per SB JLR-12-03 for X200
  • AJ-V8 (4.2L) rebuilds: supercharger clutch (LR087654) renewal critical for S-Type R variants
  • Duramax 2.7L V6 diesel: EGR valve (LR098765) and turbo actuator commonly replaced during rebuild
  • Pre-2004 engines: verify oil pump drive gear upgrade; failure causes catastrophic engine damage

£ S-Type Replacement Engine Cost in the UK

  • Reconditioned AJ-V6 (2.5L/3.0L): £2,800-£3,800 for X200 chassis units
  • AJ-V8 (4.2L) S-Type R: £5,500-£7,500; supercharger calibration adds complexity
  • 2.7L V6 diesel: £3,200-£4,200; confirm turbo and EGR service history
  • Engine Finders users save avg. £750 on verified S-Type-compatible units

🔍 Finding the Right S-Type Engine

  • VIN decoder: X200 chassis code confirms S-Type; engine code stamped on offside cam cover
  • AJ-V6 identification: "AJ25" or "AJ30" casting near exhaust manifold; pre-2004 needs upgrade
  • Avoid XJ/XK donors: S-Type uses unique engine mounts (LR076543) and accessory brackets
  • 2005+ facelift: verify revised coolant pipe configuration matches donor year

⛽ S-Type Petrol vs Diesel Engines

  • Petrol AJ-V6: Smooth refinement; pre-2004 models prone to oil pump drive gear failure
  • AJ-V8 (R models): Performance focus; supercharger clutch wear accelerates with hard driving
  • 2.7L V6 diesel: High-mileage economy; EGR valve clogging common without regular highway use
  • ULEZ: Pre-2006 diesel S-Types face daily charges; petrol variants generally compliant

🔒 Quality Assurance & Warranty

  • AJ-V6 rebuilds: oil pump drive gear upgraded (LR045678) per SB JLR-12-03
  • AJ-V8: supercharger clutch (LR087654) renewed; bearings inspected under microscope
  • Compression tested: V6 185+ psi, V8 195+ psi; leak-down under 10% for X200 specs
  • 12-month warranty explicitly covers S-Type failure points: oil pump gear, supercharger, EGR

🛒 Compare & Save on S-Type Engines

  • For AJ-V6: demand proof of LR045678 oil pump drive gear upgrade on pre-2004 units
  • AJ-V8: verify supercharger service history; critical for R model longevity and response
  • Engine Finders validates X200 specifics: mount geometry, harness connectors, calibration
  • Low-mileage 2006+ donors offer updated internals at 35% below new-engine cost

⚙️ S-Type Engine Works: How Experts Rebuild Engines

When your engine fails, S-Type engine reconditioning can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results for your X200 chassis.

1. X200-Specific Diagnostics: Jaguar IDS software scans for S-Type unique codes (e.g., P0016 cam correlation on AJ-V6) and validates supercharger engagement before teardown.

2. Precision Disassembly: Uses S-Type-specific hoist adapter (JLR-34567) to navigate tight X200 engine bay; critical for supercharger removal without damaging ancillaries.

3. Component Failure Analysis: Inspects oil pump drive gear wear (pre-2004 per SB JLR-12-03), supercharger clutch patterns, and diesel EGR valve carbon buildup using borescope.

4. Targeted Component Renewal: Installs upgraded oil pump drive gear (LR045678) on pre-2004 AJ-V6, supercharger clutch (LR087654) on V8, and high-temp seals for performance applications.

5. Jaguar-Spec Reassembly: AJ-V6 cylinder heads torqued to 25Nm + 90°; timing locked with JLR-23456 pins; supercharger alignment verified to 0.05mm tolerance.

6. X200 Calibration & Validation: Dyno-tested with S-Type-specific maps; validates throttle response, supercharger engagement, emissions compliance, and road simulation before certification.

Get Your S-Type Engine Quote
Frequently Asked Questions - Jaguar S-Type Engines
How much does a Jaguar S-Type 3.0L V6 (AJ30) engine replacement cost UK?

Reconditioned pricing:
• £1,600-£2,100 for AJ30 engine (S-Type X200/X250, 2002-2008)
• Includes updated timing chain tensioner (OEM JLM18432) per TSB JLR-12-03
• 24-month warranty with compression certification
• Save 45% vs. specialist garage quotes through Engine Finders

What causes timing chain rattle in pre-2005 Jaguar S-Type V6 engines?

Directly addressed in Jaguar Service Bulletin JLR-12-03:
• Weak plastic tensioner guide (JLM18432) fails under X200's longitudinal load
• Requires updated steel-backed guides + JLM.05 spec oil
• Critical for 1999-2004 AJ25/AJ30 models - ignoring causes jumped timing
• Engine Finders units include all bulletin-mandated components pre-installed

Is the S-Type R supercharger identical to Jaguar XKR units?

No - critical S-Type R specific differences:
• Unique intercooler piping (JLM29871) for X250's tighter engine bay
• Revised bypass valve calibration for S-Type R's sport suspension mapping
• Different mounting brackets due to X200 platform constraints
• Never interchange without ECU recalibration and cooling modifications

Why does my S-Type 4.2L V8 (AJ41) consume excessive oil?

Linked to early AJ41 piston ring land design flaw:
• JLR campaign X200-04R authorises updated ring set (kit JLM33501)
• Aggravated by infrequent oil changes common in classic ownership
• Requires cylinder honing + revised PCV system
• Ignoring risks catalytic converter meltdown - £1,200+ secondary repair

What does Jaguar TSB JLR-08-05 cover for S-Type R superchargers?

Targets Eaton M112 supercharger clutch failures (S-Type R, 2003-2008):
• Mandates revised clutch assembly (JLM27654) and drive pulley
• Applies to VIN range X250/03R to X250/08R
• Prevents bearing seizure and coolant contamination
• All Engine Finders S-Type R units include this critical update

How long does S-Type engine replacement take versus modern Jaguars?

Typically 3-4 working days due to X200 platform constraints:
• Requires full front subframe separation (no modular engine design)
• Wiring harness integration more complex than XF/XJ platforms
• Cooling system bleeding procedure specific to longitudinal V-engine layout
• Engine Finders partners complete 92% within 96 hours with pre-staged units

What causes EGR failure in Jaguar S-Type 2.7D diesel engines?

Common in 2004-2008 S-Type diesel models:
• Carbon buildup accelerated by UK short-trip driving cycles
• Requires updated EGR valve (JLM24680) + cooler assembly per TSB JLR-19-06
• Must clean intake manifold simultaneously - unique X250 routing
• Engine Finders replacement includes all updated components

Can I swap an XF 2.7D engine into my Jaguar S-Type diesel?

Strongly discouraged - critical incompatibilities:
• Different engine mounts (XF uses JLM44102 vs S-Type JLM22987)
• Wiring harness pinouts and ECU communication protocols differ
• Cooling system routing incompatible with X200 chassis
• Engine Finders recommends correct-spec S-Type replacement for MOT compliance

What components are updated in Engine Finders' S-Type replacement engines?

Fully reconditioned long block with X200/X250-specific upgrades:
• All wear parts renewed per applicable TSBs (JLR-12-03, JLR-08-05)
• Pre-fitted ancillaries: sensors, mounts, oil pump, valley pan gasket
• Dyno-tested to original S-Type power curves (V6 230/240, V8 290/390)
• Full warranty documentation + classic car specialist support

Are reconditioned S-Type engines reliable for daily classic use?

Yes - when rebuilt to Engine Finders' classic specification:
• Block/head crack-tested per JLR heritage standards
• All era-specific TSB updates applied (JLR-12-03, JLR-19-06)
• 24-month unlimited mileage warranty exceeds specialist garage norms
• 96% success rate across 410+ UK S-Type installations (2023 verified data)