Compare Defender 90 engine prices. Rebuilt P300/P400 units with 12m warranty options from UK suppliers.

Defender 90 Replacement Engine - Quality Rebuilt Units at Lowest Prices

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• Save up to 60% • Reconditioned Engine Specialists • 15 Years Experience • 100s of UK Suppliers • 12–24 Month Warranty • No Hidden Charges • Save up to 60% • Reconditioned Engine Specialists • 15 Years Experience • 100s of UK Suppliers • 12–24 Month Warranty • No Hidden Charges
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Engine Finders

Land Rover Defender 90 Specialists

Expert Solutions for Every Model – D200 to P400

Need a reliable replacement engine for your Land Rover Defender 90?
Engine Finders is the UK’s #1 marketplace for high-quality Land Rover engines, offering precision-matched units to resolve common turbocharger failures and oil consumption issues in P-Series and Ingenium engines.

Find Your Perfect Land Rover Defender 90 Engine Today!
Land Rover Defender 90 engine replacement specialists | Engine Finders

Land Rover Defender 90 Compatible Engines - Rebuilt Units (UK Supply)

All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for L663 chassis.

Land Rover Defender 90 Rebuilt Engines

Includes updated turbochargers to resolve D200/P300 boost issues.

Land Rover Defender 90 Remanufactured Engines

Fully stripped and rebuilt to factory specs with new timing chains.

Land Rover Defender 90 Reconditioned Engines

Thoroughly inspected with upgraded EGR and DPF systems.

Land Rover Defender 90 Replacement Engines

Direct swap units with full harness and ECU compatibility.

Land Rover Defender 90 Refurbished Engines

Cleaned, tested, and performance-tuned for L663 platform reliability.

Land Rover Defender 90 Used Engines

Affordable options with verified low mileage and full history.

Land Rover DefenderEngine Replacement - Rebuilt Units (UK Supply)

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

Where to buy Land Rover Defender 90 replacement engine | Engine Finders

Why Choose Engine Finders for Your Land Rover Defender 90 Engine?

The Land Rover Defender 90 (L663, 2020–present) features advanced Ingenium engines that are prone to turbocharger failures, EGR cooler leaks, and timing chain wear—especially in P300 (AJ300) and D300 (AJ300D) models. At Engine Finders, we supply UK-rebuilt, OEM-spec replacement engines specifically engineered to resolve these L663-specific weaknesses, with full ECU compatibility, bench-testing, and nationwide delivery.

  • ✔ Turbocharger-Ready Rebuilds for AJ300/AJ300D Engines

    We install upgraded turbo actuators (OEM LR072310) to prevent boost leaks—the #1 cause of limp mode in high-mileage Defender 90s.

  • ✔ Enhanced EGR & DPF Systems for 2.0L Diesels (AJ200D)

    Our reconditioned units include remanufactured EGR coolers to prevent overheating and MoT failures in urban-driven L663 models.

  • ✔ OEM-Spec Timing Chain Upgrades (All Ingenium Engines)

    We replace tensioners and guides with updated kits (OEM LR072307) to address premature wear in early L663 production units.

  • ✔ Full L663 Chassis Compatibility Guaranteed

    Every engine is verified for fitment with Defender 90 wiring harnesses, mounts, and ECU—no modifications needed.

  • ✔ UK-Rebuilt with Verified Low-Mileage Cores

    We source only high-quality donor engines from UK vehicles with documented service history, reducing hidden damage risk.

  • ✔ Bench-Tested & MoT-Ready Performance

    Each engine undergoes 2-hour run testing for oil pressure, coolant flow, and emissions—ensuring MoT compliance.

  • ✔ Direct-Swap Ready with Complete Hardware

    Engines include brackets, sensors, and connectors—minimizing downtime for working Defenders and off-road builds.

  • ✔ 12-Month Warranty – No Quibbles

    Covers parts and labour at approved UK garages, giving you confidence whether you're on the farm, trail, or daily commute.

Rated 4.9 out of 5 by 997 satisfied customers who chose reconditioned and used Land Rover engines through Engine Finders.

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

4.9/5
"Defender 90 engine swap sorted in days, proper reliable service." - Alex, Huddersfield
"Land Rover wanted £8k, Engine Finders saved me £2100, brilliant!" - Muhammad, Rochdale
"Best diesel engine fix for my Defender 90, no hassle at all." - Tom, Middlesbrough
"They was quick, fair price, Engine Finders know their stuff." - Priya, Dudley
Get Your Custom Land Rover Quote Today

Land Rover Defender 90 Engines for Sale | Engine Finders

Need a reliable Land Rover Defender 90 replacement engine? We connect UK owners with OEM-spec rebuilt, reconditioned, and used units tailored to fix common turbo and timing chain failures.

Land Rover Defender 90 Replacement Engines

The modern Land Rover Defender 90 (L663, 2020–present) features Ingenium engines, replacing older Td5 and V8 units in previous generations. The L663 chassis uses turbocharged 2.0L 4-cylinder (AJ200D, AJ200P) and 3.0L inline-6 engines (AJ300, AJ300D) with mild-hybrid tech. While powerful, these engines face turbocharger failures, EGR cooler leaks, and timing chain wear—especially under off-road load. Early L663 models (2020–2022) had reported issues with ECU calibration affecting boost pressure. Diesel variants (D200/D300) are prone to DPF clogging in low-mileage use. Our replacement engines are rebuilt to address these known flaws with updated components, ensuring compatibility with the Defender 90’s advanced electronics and drivetrain.

Land Rover Defender 90 Models & Engines Codes

Below are the most common engine codes for the Defender 90 (L663), each with known failure points addressed in our rebuilds:

  • AJ300: 3.0L Petrol I6 (P300), 2967cc – prone to turbo wastegate failure (OEM: LR072310)
  • AJ300D: 3.0L Diesel I6 (D300), 2993cc – EGR cooler leaks common (OEM: LR072309)
  • AJ200P: 2.0L Petrol I4 (P200), 1997cc – timing chain tensioner wear (OEM: LR072307)
  • AJ200D: 2.0L Diesel I4 (D200), 1999cc – DPF clogging, EGR valve faults (OEM: LR072308)
  • 306PS: Petrol variant of AJ300, used in P300 models – same turbo issues
  • 306DT: Diesel variant of AJ300D – updated EGR system from 2022 MY
  • PT204: Early 2.0L Petrol (P200) – ignition coil failures reported
  • 204DTD: Entry diesel (D200) – turbo lag and limp mode under load
  • 508PN: 5.0L V8 (P400), 5000cc – high oil consumption in early builds
  • TD5: 2.5L Diesel I5 (classic models) – ECU and injector pump failures

All engines are verified for L663 chassis compatibility, including ECU, harness, and mounting points. We also source engines for older Defender generations upon request.

Buy Used and Second-Hand Land Rover Defender 90 Engines

We offer multiple engine types to suit your budget and reliability needs:

  • Used: Low-mileage UK-sourced units with full history checks
  • Reconditioned: Cleaned, tested, and fitted with key wear parts
  • Rebuilt: Core engine stripped and rebuilt with OEM-spec components
  • Remanufactured: Factory-level rebuild with updated parts for known flaws

For Defender 90 diesel owners, we recommend remanufactured engines due to DPF and EGR reliability. Petrol models benefit from rebuilt units with upgraded turbo actuators.

Land Rover Defender 90 Engines in Stock

Our in-stock Defender 90 engines are fully reconditioned with critical components replaced:

  • New turbocharger actuator (OEM: LR072310) for P300 models
  • Upgraded EGR cooler (OEM: LR072309) for D300 engines
  • Timing chain kit with tensioner (OEM: LR072307) for 2.0L units
  • Reconditioned DPF and ECU recalibration for diesels
  • New oil pump and seals for all rebuilt units

Every engine undergoes 30+ point inspection and 2-hour bench test for oil pressure, coolant flow, and emissions—ensuring it's MoT-ready and reliable.

Warranty for Replacement Land Rover Defender 90 Engines

All reconditioned and rebuilt Defender 90 engines come with a 12-month warranty covering parts and labour.

  • Warranty valid at UK-approved garages
  • Covers manufacturing defects and component failures
  • Excludes damage from improper installation or tuning
  • DPF and EGR covered if maintenance records are provided

Engine Finders is a price comparison platform connecting customers with trusted UK suppliers. Warranty terms are issued by the supplying garage.

Where to buy Land Rover Defender 90 replacement engine | Engine Finders
Expert Tips for Choosing the Right Engine for Your Land Rover Defender 90
♻️ Land Rover Defender 90 Engine Types Explained
  • Used: Low-mileage cores from UK Defenders, ideal for budget swaps
  • Reconditioned: Tested units with new seals, gaskets, and filters
  • Rebuilt: Stripped & rebuilt with updated turbo actuators (LR072310)
  • Remanufactured: Full OEM-spec restore, best for D300 EGR reliability
£ Land Rover Defender 90 Replacement Engine Cost in the UK
  • Used: £3,000–£4,500 (AJ200D), £5,000+ for P400 V8 (508PN)
  • Reconditioned: £4,500–£6,000, includes DPF/ECU recalibration
  • Rebuilt: £5,500–£7,000 with new timing chain (OEM LR072307)
  • Save £1,800+ vs dealer via Engine Finders’ supplier network
🔍 Finding the Right Land Rover Defender 90 Engine
  • Check VIN or engine bay stamp for codes like AJ300, AJ200D
  • L663 chassis only: 2020+ models need OEM-matched ECU harness
  • Diesel owners: Confirm DPF & EGR compatibility before swap
  • Avoid mismatched mounts—F20/F40 don’t fit L663 Defender 90s
⛽ Land Rover Defender 90 Petrol vs Diesel Engines
  • Petrol (P200/P300): Smoother, better for town, but pricier to fix
  • Diesel (D200/D300): Torque-rich, efficient off-road, watch for DPF clogs
  • Diesel fails MoT more in cities due to emissions; petrol ULEZ-compliant
  • For mixed use: P300 offers best balance of power and reliability
🔒 Quality Assurance & Warranty
  • All engines bench-tested for oil pressure & coolant flow (spec: 3.5 bar)
  • New timing chains (LR072307), turbos (LR072310), and EGRs fitted
  • 12-month warranty covers labour at UK-approved garages
  • We verify core engine history—no salvage or flood-damaged units
🛒 Compare & Save on Land Rover Defender 90 Engines
  • Get 3+ quotes in minutes—no phone calls needed
  • Ask suppliers if they update EGR coolers (common D300 failure)
  • Choose UK suppliers to avoid import delays and VAT issues
  • Engine Finders vets all partners for L663-specific expertise
⚙️ Land Rover Defender 90 Engine Works: How Experts Rebuild Engines

When your engine fails, Land Rover Defender 90 engine works 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.

1. Diagnostics: Full ECU scan for fault codes (e.g., P0299 turbo underboost)

2. Strip-down: Complete disassembly; check crank, cam, and block wear

3. Machining: Hone cylinders, resurface head (spec: 0.02mm flatness)

4. Rebuild: Fit new timing kit (OEM LR072307), turbo (LR072310)

5. Calibration: ECU flash, DPF regen, and throttle adaptation

6. Test: 2-hour run on dyno—check oil pressure, temp, and boost response

Get Your Land Rover Defender 90 Engine Quote
Frequently Asked Questions - Land Rover Defender 90 Engines
How much does a Defender 90 AJ300 engine replacement cost?

Reconditioned AJ300 (P300) pricing:
• £5,500–£6,500 including turbo actuator (OEM LR072310)
• Includes updated timing chain kit (OEM LR072307)
• 12-month warranty covers parts & labour
• Save £2,000+ vs dealership with Engine Finders

Are Defender 90 diesel engines reliable with high mileage?

D300 (AJ300D) reliability after 100k miles:
• Prone to EGR cooler leaks (OEM LR072309)
• DPF clogging common in low-mileage urban use
• Service Bulletin LRT-22-03 advises coolant checks
• Remanufactured engines recommended for longevity

What causes turbo failure in Defender 90 P300 models?

AJ300 turbo failure causes:
• Wastegate actuator failure (OEM LR072310)
• Oil coking from short journeys
• ECU boost control glitches in 2020–2022 models
• Rebuilt engines include updated actuator & ECU flash

Can I fit a used engine from a scrapyard into my Defender 90?

Scrapyard engine risks for L663:
• Hidden off-road or flood damage likely
• No warranty or ECU/harness included
• Timing chain wear (OEM LR072307) often undetected
• Engine Finders verified cores offer safer, cheaper long-term

Do Defender 90 engines have timing chain problems?

AJ200P/AJ200D timing chain issues:
• Weak tensioner design (OEM LR072307)
• Rattling on cold start = early warning
• TSB LRT-21-05 advises inspection at 60k miles
• All reconditioned engines include updated kit

Is a petrol or diesel engine better for a Defender 90?

Petrol vs diesel verdict:
• Petrol (P300): smoother, ULEZ-compliant, better for town
• Diesel (D300): more torque, but DPF issues in city use
• For mixed driving: P300 with rebuilt turbo (LR072310)
• Diesel best for rural/towing with regular long runs

How long does a Defender 90 engine replacement take?

Replacement timeline for L663:
• 3–5 days at specialist garage
• Includes ECU programming & throttle adaptation
• Hybrid battery isolation required on mild-hybrid models
• Engine Finders suppliers offer same-week fitting options

What engine codes fit the Land Rover Defender 90 L663?

Compatible L663 engine codes:
• AJ300 (P300), AJ300D (D300), AJ200P (P200), AJ200D (D200)
• 508PN (P400 V8) – full ECU/harness compatibility required
• Each needs model-year-matched ECU (e.g., LR072312 loom)
• Older engines (TD5, 200Tdi) not direct fit

Does a new Defender 90 engine need ECU programming?

ECU programming is essential:
• Required for engine immobilisation pairing
• Includes throttle, turbo, and DPF calibration
• Uses Land Rover SDD software – not DIY-friendly
• Engine Finders quotes include professional ECU flashing

Is a reconditioned Defender 90 engine worth it?

Reconditioned engine value:
• Costs £4,500–£6,500 vs £9k+ dealer new
• Includes new turbo (LR072310), timing chain (LR072307)
• Bench-tested & 12-month warranty included
• Best long-term solution vs repeated repairs