/// Specialists in Land Rover Engine Replacement & Rebuilds
Find the correct Defender engine for your 90, 110 or 130 with expert matching by registration, VIN, engine code, gearbox, ECU, turbo, DPF/AdBlue and emissions setup.
Factory Standard
Engine Rebuilds
Built to OE specifications
In-House Strip
Machine & Build
All work carried out in-house
Up to 12 Month
Warranty
Peace of mind guaranteed
Nationwide Collection
& Delivery
Across the UK mainland
Expert Support
Before & After Fit
Real people, real expertise
Not every engine failure in a Defender requires the same solution. We assist in comparing inspected used engines, rebuilt units, and reconditioned engines, taking into account factors such as damage, mileage, budgetary constraints, and long-term objectives.
Genuine used engines sourced from trusted UK suppliers. Inspected, tested and ready to install.
Best for budget-conscious repairsand older vehicles
Compression & leak down testedIncludes basic warranty
Inspected for major componentsCleaned and checked before dispatch
Professionally reconditioned engines with worn parts replaced and tested to restore performance.
Best for daily drivers and high mileagevehicles
Reconditioned to OEM standardsQuality parts used throughout
Compression testedFinished and road-ready
Fully rebuilt engines with a complete strip down, precision machining and new or upgraded components.
Best for long-term reliabilityand performance
Built to factory standardsAll critical parts replaced or upgraded
Extensively tested & quality assuredIncludes premium warranty
Warranty ProtectionUp to 12 months warranty for total peace of mind
Expert Quality ChecksEvery engine inspected, tested & verified
Nationwide DeliverySecure delivery across the UK mainland
Specialist SupportOur team of experts are here to help
Fair & TransparentHonest pricing with no hidden surprises
A controlled Defender engine replacement process covering diagnosis, engine identification, compatibility checks, workshop preparation and professional supply-and-fit support.
We assess symptoms, engine condition and likely failure path before recommending the next step.
Exact engine code, platform compatibility and replacement criteria are verified for the correct fit.
We determine the right route — used, reconditioned or rebuilt — then prepare or source accordingly.
The engine is supplied, fitted, tested and handed over with aftercare guidance and support.
Technician AssessedChecked by experienced engine specialists.
Code MatchedExact engine code and platform verified for perfect fit.
Prepared to StandardEngines prepared, tested and quality assured.
Fitted & SupportedInstalled, tested and backed by aftercare support.
We inspect, prepare, rebuild and validate Defender engines under workshop control, helping reduce poor matching, hidden damage and repeat engine failure.
We don't cut corners. We rebuild to last.
Engines sourced from
credible UK channels
with known history
and provenance.
Complete disassembly
and inspection of every
component. Nothing
left unchecked.
Worn parts replaced.
Precision machining
where required.
Genuine or OEM
quality
components
used throughout.
Reassembled, tested
and run to factory
specifications.
Quality validated
before
release.
In-house facility.
UK based technicians.
Rebuilt to OEM standards
using quality components.
Pressure, compression,
leak-down & dynamic
testing on every engine.
Up to 12 months
warranty for total
peace of mind.
Transparent process.
Honest advice.
No hidden surprises.
We inspect, prepare, rebuild and validate Defender engines under workshop control, helping reduce poor matching, hidden damage and repeat engine failure.
We don't cut corners. We rebuild to last.
Engines sourced from credible UK channels with known history and provenance.
Complete disassembly and inspection of every component. Nothing left unchecked.
Worn parts replaced. Precision machining where required. Genuine or OEM quality components used throughout.
Reassembled, tested and run to factory specifications. Quality validated before release.
UK Built: In-house facility. UK based technicians.
Quality First: Rebuilt to OEM standards using quality components.
Rigorous Testing: Pressure, compression, leak-down & dynamic testing on every engine.
Extended Warranty: Up to 12 months warranty for total peace of mind.
Built On Trust: Transparent process. Honest advice. No hidden surprises.
From TDV6, SDV6, TDV8 and SDV8 units to Ingenium diesel and petrol engines, AJ-V6 / AJ-V8 platforms, supercharged Jaguar and Range Rover engines, and selected hybrid / e-Torque systems, we support engine replacement, rebuild and reconditioning with platform-correct compatibility checks and workshop-led preparation.
Popular Land Rover and Range Rover diesel platforms requiring exact engine code, emissions specification and donor compatibility checks.
Best for:diesel replacement routes
Checks include:code match, oiling history, turbo and cooling review
Higher-output diesel V8 applications where fitment planning, ancillaries review and platform-correct preparation are essential.
Best for:premium diesel platforms
Checks include:compatibility, ancillaries and installation planning
Later-generation JLR 4 and 6 cylinder engines where timing architecture, ECU integration and model-year changes must be verified carefully.
Best for:modern JLR applications
Checks include:timing system, ECU and emissions compatibility
Established Jaguar and Range Rover petrol platforms including naturally aspirated and performance-led variants across multiple generations.
Best for:petrol platform replacements
Checks include:cooling, sealing, wear paths and timing components
Specialist support for supercharged applications where heat management, supporting systems and fitment accuracy matter as much as the core engine itself.
Best for:performance-focused builds
Checks include:boost systems, cooling and model-specific preparation
Where relevant, we assess the engine side of hybrid-assisted and mild-hybrid JLR platforms with careful integration and compatibility planning.
Best for:selected newer systems
Checks include:engine-side compatibility and integration points
Stay away from incorrect engine codes, unclear repair tips, and unreliable suppliers. Our team offers accurate inspections, quality rebuild standards, and clear choices for getting parts only or having them installed as well.
Specialist knowledge across Land Rover engine replacement, rebuild and diagnostics.
One team manages assessment, sourcing or rebuild route, fitment planning and handover.
Engines are prepared, rebuilt and quality-checked under workshop-controlled standards.
Engine code, platform and fitment criteria are verified before any engine is recommended.
Strip-down inspection, component replacement and machining are carried out where required.
Clear warranty-backed support and post-fit guidance for added peace of mind.
Credible UK supply channels help secure suitable donor and replacement engines.
From engine selection to installation planning, the whole route is coordinated clearly.
Verified feedback from customers who chose Mayfair Rebuilds for Land Rover engine
replacement, Range Rover engine rebuilds, Jaguar engine supply and fit, and workshop-
prepared used, rebuilt and reconditioned engines. Real vehicle references, real outcomes
and support you can trust.
Range Rover Sport 3.0 SDV6
Engine issue diagnosed properly, options explained clearly, and the replacement unit fitted without drama. Smooth service from start to finish.
Land Rover Discovery 4 3.0 TDV6
Other companies just wanted to sell an engine. Mayfair actually checked compatibility, explained the rebuild route, and delivered exactly what was promised.
Jaguar XF 2.0 Ingenium Diesel
The reconditioned engine has been faultless. Excellent communication, realistic timescales and proper aftercare once the car was back on the road.
Range Rover Velar 2.0 Ingenium
Professional workshop, clear paperwork and no hard sell. They matched the correct engine code and coordinated everything properly.
Jaguar F-PACE 3.0 Supercharged
Rare to find this level of technical knowledge and customer service together. The engine rebuild quality and handover were excellent.
At Mayfair Rebuilds, we help UK drivers find the right Land Rover Defender engine with clear advice, reliable sourcing and professional workshop support. Whether you need a Defender engine for sale, a Defender 2.4 TDCi engine for sale, a Land Rover Defender 110 engine for sale, a checked used engine, a reconditioned engine or a complete Defender engine rebuild, our team matches the engine to your registration, VIN, engine code, gearbox, ECU, turbo, DPF/AdBlue and emissions setup before work begins.
A Defender engine may need replacing due to timing failure, turbo damage, oil starvation, injector problems, overheating, low compression, coolant loss, bearing wear, head gasket failure or complete engine failure. We work with many Defender engine families, including Td5, 2.4 TDCi Puma, Defender 2.4 TDCi engine, Defender 2.4 engine, Defender 2.4 Puma engine, 2.2 TDCi Puma, 200Tdi, 300Tdi, Defender P300 engine, selected petrol engines and newer Defender Ingenium diesel and petrol units.
Our service covers diagnosis, engine sourcing, strip-down inspection, reconditioning, rebuilding, replacement parts, engine fitting and UK-wide support. If your Defender is already off the road, we can advise whether Defender engine replacement, Land Rover Defender engine swap, Defender 90 engine swap or a full Defender engine conversion is the most suitable route, depending on your vehicle, budget and long-term use.
Land Rover Defender engine replacement cost depends on engine type, condition, parts required, labour, VAT, warranty level and whether you choose supply only or full supply and fit. For the most accurate price, speak to Mayfair Rebuilds and request a tailored Defender engine quote.
Everything you need to know about our engine replacement, rebuild and supply process.
