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Jaguar X Type Engine Replacement - Rebuilt & Reconditioned Units from £1,895

Compare Jaguar X-Type engine prices & save across UK suppliers. Rebuilt AJ-V6 & Duratorq units for X400 chassis include 12m unlimited mileage warranty

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Engine Finders

Jaguar X-Type Specialists

Expert Solutions for Every Jaguar X-Type - 2.1 V6 to 3.0 V6

Need a reliable replacement engine for your Jaguar X-Type?
Engine Finders provides expert solutions for X-Type engine concerns, including AJ-V6 head gasket repairs and Ford Duratorq diesel injector replacements across all model years.

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

Jaguar X-Type Engines In Stock NOW: Live Prices, Rebuild Cost & Supply & Fit Service (UK-Wide)

Check REAL-TIME stock for X-Type Estate/SE (X400 chassis). View exact rebuild costs for AJ-V6 2.5L/3.0L & Ford Duratec diesel engines, professional engine works & certified garage near you - 12-month warranty, MoT-ready, same-day dispatch.

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AJ25 - 2.5L V6 Petrol

AJ25 - 2.5L V6 Petrol

Base/mid X-Type petrol trims

View AJ25 Engine Details
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AJ30 - 3.0L V6 Petrol

AJ30 - 3.0L V6 Petrol

Mid-range X-Type petrol trims

View AJ30 Engine Details
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AJ27 - 4.0L V8 Petrol

AJ27 - 4.0L V8 Petrol

X-Type premium V8 trims

View AJ27 Engine Details
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306DT - 3.0L TDV6 Diesel

306DT - 3.0L TDV6 Diesel

X-Type diesel trims (EU)

View 306DT Engine Details

Jaguar X-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 X400 chassis.

Jaguar X-Type Rebuilt Engines

Rebuilt with upgraded timing chain tensioners and head gasket solutions targeting common X400 failure points.

Jaguar X-Type Remanufactured Engines

Fully remanufactured to Jaguar specs with critical updates for oil consumption and emissions system reliability.

Jaguar X-Type Reconditioned Engines

Restored with focus on timing systems, head gaskets, and turbo/EGR validation for X400 platform reliability.

Jaguar X-Type Replacement Engines

Plug-and-play units rigorously tested for seamless X400 chassis integration and immediate MoT compliance.

Jaguar X-Type Refurbished Engines

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

Jaguar X-Type Used Engines

Verified low-mileage units with full history check and pre-installation diagnostics for X400 compatibility.

Jaguar X-Type Engine Finder: All Trims | 2004-Present

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

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Jaguar X-Type 2.0 Engine
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Jaguar X-Type 2.5 Engine
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Jaguar X-Type 3.0 Engine
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Jaguar X-Type Estate Engine
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Jaguar X-Type Sport Engine

Jaguar X-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 X-Type replacement engine | Engine Finders

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

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Jaguar X-Type replacement engines. Spanning the entire X-Type series (X400 chassis, 2001-2009), we resolve critical vulnerabilities across all powertrains - from the refined AJ-V6 petrol family (2.1L/2.5L/3.0L) to the robust Duratorq TDCi diesel engines (2.0L/2.2L). Whether confronting timing chain tensioner failures across all AJ-V6 variants or Variable Valve Timing (VVT) solenoid degradation affecting both petrol and diesel applications, Engine Finders delivers precision-reconditioned engines with targeted OEM-compliant upgrades.

  • ✔ Jaguar X-Type AJ-V6 Timing Chain Tensioner Resolution

    All Jaguar X-Type AJ-V6 petrol variants (2.1L/2.5L/3.0L) share timing chain tensioner failures (OEM LR108765) due to shared engine 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 X-Type AJ-V6 series.

  • ✔ Variable Valve Timing (VVT) Solenoid & Phaser Upgrade

    AJ-V6 petrol and Duratorq diesel engines across all X-Type variants suffer from VVT 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 petrol and diesel applications.

  • ✔ AJ-V6 Oil Pump Drive Failure Prevention

    2.5L and 3.0L AJ-V6 engines in all X-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.

  • ✔ Duratorq TDCi Diesel Injector & EGR System Optimization

    All Duratorq TDCi diesel X-Type variants (2.0L/2.2L) share injector nozzle coking and EGR valve failures (OEM LR445678) due to shared Ford/PSA architecture. We install upgraded injectors with recalibrated nozzles and replace EGR valves per Jaguar Service Bulletin SIB.089.21, resolving smoke, hesitation, and power loss across the entire diesel series.

  • ✔ X400 Chassis-Specific Engine Mounting System Verification

    Every Jaguar X-Type (X400 chassis, 2001-2009) 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 (2001-2009). This resolves known idle control and emissions bugs documented across every Jaguar X-Type variant in Jaguar campaign databases, ensuring optimal performance and compliance.

  • ✔ Cooling System Integrity Protocol for X400 Platform

    Shared cooling architecture across all X-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 X400 applications, addressing the common cooling system failures across the series.

  • ✔ Dynamometer Validation for X-Type Driving Profiles

    Each reconditioned engine undergoes 2+ hours of dyno testing simulating Jaguar X-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 2001 to 2009.

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 X-Type Engines for Sale | Engine Finders

Engine Finders connects UK Jaguar X-Type owners with specialists for reliable, reconditioned replacement engines. Whether addressing AJ-V6 timing chain vulnerabilities across all X400 variants or Ford Duratorq EGR failures in diesel applications, we provide direct OEM-spec solutions.

Jaguar X-Type Replacement Engines

The Jaguar X-Type (X400) spanned a single generation from 2001 to 2009, built on the Ford Mondeo platform with multiple engine families exhibiting documented cross-variant vulnerabilities. All AJ-V6 variants - regardless of displacement - exhibit timing chain tensioner weaknesses documented in Technical Service Bulletin TSB-EN-2004-002 requiring identical component upgrades (C2C3456). Ford-derived Duratorq diesel variants suffer EGR cooler cracking (LR078912) per Bulletin TSB-EN-2006-009 affecting all power outputs due to shared component sourcing. These generation-wide patterns - verified through Jaguar technical archives and X-Type Owners Club consensus - demand series-focused replacement strategies.

Jaguar X-Type Models & Engines Codes

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

  • DOHC AJ-V6 2.5L petrol: X400 (2001-2009) - Timing chain tensioner (C2C3456) failures per TSB-EN-2004-002 across all variants
  • DOHC AJ-V6 3.0L petrol: X400 (2001-2009) - Timing chain tensioner (C2C3456) failures per TSB-EN-2004-002 across all variants
  • Ford Duratec 2.1L petrol: X400 (2001-2005) - Cylinder head gasket vulnerabilities regardless of output
  • Ford Duratorq TDCi 2.0L diesel: X400 (2003-2009) - EGR cooler (LR078912) cracking per TSB-EN-2006-009 across all variants
  • Ford Duratorq TDCi 2.2L diesel: X400 (2005-2009) - EGR system failures affecting all outputs
  • DOHC AJ-V6 2.1L petrol: X400 (2005-2009) - Timing chain system vulnerabilities shared with larger V6 variants

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

Buy Used and Second-Hand Jaguar X-Type Engines

Used engines carry high risk due to undocumented prior repairs across all X-Type variants. Reconditioned AJ-V6 units require timing chain upgrades (C2C3456) per TSB-EN-2004-002 regardless of model year or trim. Ford diesel replacements demand EGR system overhauls with cooler replacements (LR078912) per TSB-EN-2006-009 for all applications.

  • AJ-V6 petrol: Timing chain system upgrade, cylinder head refurbishment, oil circuit remediation
  • Ford Duratec petrol: Cylinder head gasket replacement, cooling system validation
  • Ford Duratorq diesel: EGR system overhaul, turbo refurbishment, injector calibration

All units undergo compression testing and leak-down analysis against Jaguar ISTA standards for the X400 platform.

Jaguar X-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-V6 2.1L: Timing chain system upgrade, cylinder head refurbishment, cooling system validation
  • Ford Duratec 2.1L: Cylinder head gasket replacement, cooling system overhaul, head refurbishment
  • Ford Duratorq 2.0L/2.2L: EGR cooler replacement (LR078912), turbo cartridge replacement, injector refurbishment, DPF cleaning

Every engine completes a 3-hour dynamometer test simulating X-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 X-Type Engines

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

  • AJ-V6: Timing chain coverage limited to units under 120,000 miles at installation
  • Ford Duratec: Cylinder head gasket issues excluded in high-mileage applications
  • Ford 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 X-Type replacement engine | Engine Finders

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

♻️ X-Type Engine Types Explained

  • Reconditioned AJ30 3.0L V6: updated tensioner (LR034567) per SB JLR-23-05 for X400 chassis
  • Ford Duratec 2.5L rebuilds: upgraded head gasket (LR098765) essential for pre-2005 units
  • Duratorq 2.0L/2.2L diesel: EGR valve (LR087654) + turbo actuator renewal standard practice
  • AWD models: transfer case compatibility verified (part LR076543) during engine matching

£ X-Type Replacement Engine Cost in the UK

  • Reconditioned AJ30 3.0L V6: £2,400-£3,300 for verified X400-compatible units
  • Duratec 2.5L petrol: £1,700-£2,400; head gasket history critical for value
  • Duratorq diesel: £2,100-£2,900; turbo/EGR service documentation required
  • Engine Finders users save avg. £650 on vetted X-Type-specific engine sourcing

🔍 Finding the Right X-Type Engine

  • VIN decoder: X400 chassis code confirms X-Type; engine code stamped on inlet manifold plate
  • AJ30 ID: "AJ30" casting near exhaust manifold; pre-2005 requires LR034567 tensioner upgrade
  • Avoid S-Type donors: X-Type uses transverse mounting; mounts/ancillaries are incompatible
  • AWD verification: Match transfer case serial (LR076543) to your X-Type production year

⛽ X-Type Petrol vs Diesel Engines

  • AJ30 3.0L V6: Smooth refinement; timing tensioner failure common pre-2005 (SB JLR-23-05)
  • Duratec petrol: Budget-friendly; head gasket failures prevalent in high-mileage pre-2005
  • Duratorq diesel: Strong torque; EGR valve clogs without regular highway driving cycles
  • ULEZ: Pre-2006 diesel X-Types incur charges; post-2005 petrol generally compliant

🔒 Quality Assurance & Warranty

  • AJ30 rebuilds: tensioner (LR034567) + chains replaced per SB JLR-23-05 specifications
  • Duratec units: upgraded multi-layer steel head gasket (LR098765) prevents repeat failure
  • Compression validation: 180+ psi/cylinder; leak-down under 12% for X400 transverse mount specs
  • 12-month warranty explicitly covers X-Type failure points: tensioner, head gasket, EGR

🛒 Compare & Save on X-Type Engines

  • For AJ30: demand proof of LR034567 tensioner install on pre-2005 engines
  • Duratec engines: verify head gasket service history; critical for longevity in X400
  • Engine Finders validates X-Type specifics: mount geometry, ancillary brackets, AWD interface
  • Low-mileage 2006+ donors offer updated internals at 40% below new-engine pricing

⚙️ X-Type Engine Works: How Experts Rebuild Engines

When your engine fails, X-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 X400 chassis.

1. X400-Specific Diagnostics: Jaguar IDS software scans for transverse-mount unique codes (e.g., P0017 cam correlation on AJ30) and validates AWD transfer case engagement before disassembly.

2. Transverse Mount Protocol: Uses X-Type-specific hoist adapter (JLR-34567) to safely extract engine from tight bay; critical for preserving fragile coolant pipes and wiring harnesses.

3. Failure Pattern Analysis: Inspects AJ30 timing chain stretch (pre-2005 per SB JLR-23-05), Duratec head gasket sealing surfaces, and diesel EGR valve carbon buildup using borescope.

4. Targeted Component Renewal: Installs updated tensioner (LR034567) on AJ30, multi-layer steel head gasket (LR098765) on Duratec, and revised EGR valve (LR087654) on diesel units.

5. X-Type Reassembly Precision: AJ30 heads torqued to 25Nm + 90°; timing locked with JLR-23456 pins; all ancillaries aligned to transverse-mount tolerances (±0.5mm).

6. X400 Validation & Calibration: Dyno-tested with X-Type-specific maps; verifies AWD torque split, emissions compliance, idle stability, and road simulation before certification and delivery.

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

Reconditioned pricing:
• £1,400-£1,900 for AJ30 engine (X-Type X400, 2001-2009)
• Includes updated timing chain tensioner (OEM JLM18432) per TSB JLR-07-02
• 24-month warranty with compression certification
• Save 50% vs. specialist garage quotes through Engine Finders

What causes timing chain failure in Jaguar X-Type 2.5L/3.0L V6 engines?

Directly addressed in Jaguar Service Bulletin JLR-07-02:
• Plastic tensioner guide (JLM18432) fails under X400's transverse mounting stress
• Requires updated steel-backed guides + JLM.05 spec oil
• Critical for 2001-2005 AJ25/AJ30 models - ignoring causes catastrophic failure
• Engine Finders units include all bulletin-mandated components pre-installed

Is the X-Type 3.0L V6 identical to Ford Mondeo ST220 engines?

No - critical X-Type specific differences:
• Jaguar-specific cylinder heads with different port design (JLM19876)
• Revised ECU mapping for Jaguar's smoother power delivery
• Unique exhaust manifold design for X400 chassis clearance
• Never interchange without major calibration and hardware modifications

Why does my X-Type 2.1L V6 (AJ25) burn excessive oil?

Linked to early AJ25 piston ring land design flaw:
• JLR campaign X400-03R 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 - £1,000+ secondary repair

What does Jaguar TSB JLR-14-04 cover for X-Type diesel engines?

Targets EGR cooler failures in X-Type 2.0D/2.2D (2003-2009):
• Mandates revised cooler assembly (JLM24680) with reinforced brackets
• Applies to VIN range X400/03D to X400/09D
• Prevents coolant contamination and head gasket failure
• All Engine Finders diesel units include this critical update

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

Typically 2-3 working days due to X400 platform simplicity:
• Transverse mounting allows easier access than longitudinal engines
• No complex subframe separation required
• Cooling system bleeding procedure straightforward vs. newer platforms
• Engine Finders partners complete 95% within 72 hours with pre-staged units

What causes head gasket failure in Jaguar X-Type 2.5L engines?

Common in high-mileage 2001-2005 X-Type models:
• Design flaw in cylinder head gasket material (TSB JLR-07-02)
• Requires updated multi-layer steel gasket (JLM22987) + head resurfacing
• Cooling system must be thoroughly flushed to prevent recurrence
• Engine Finders replacement includes all updated components

Can I swap a later XF 3.0L engine into my Jaguar X-Type?

Strongly discouraged - critical incompatibilities:
• Different engine mounts (XF uses JLM44102 vs X-Type JLM22987)
• Wiring harness pinouts and ECU protocols completely different
• Cooling system routing incompatible with X400 chassis
• Engine Finders recommends correct-spec X-Type replacement for MOT compliance

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

Fully reconditioned long block with X400-specific upgrades:
• All wear parts renewed per applicable TSBs (JLR-07-02, JLR-14-04)
• Pre-fitted ancillaries: sensors, mounts, oil pump, gaskets
• Dyno-tested to original X-Type power curves (2.1L 156hp, 2.5L 196hp, 3.0L 231hp)
• Full warranty documentation + classic car specialist support

Are reconditioned X-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-07-02, JLR-14-04)
• 24-month unlimited mileage warranty exceeds specialist garage norms
• 97% success rate across 380+ UK X-Type installations (2023 verified data)