/// Specialists in Land Rover Engine Replacement & Rebuilds
Get your Discovery 3 back on the road again with our engine rebuild and replacement services. We supply, rebuild, and fit 2.7 TDV6 and 3.0 TDV6 units across the UK. Every engine is code-matched, fully tested, and installed by experts to get you back on the road with complete confidence.
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
Every engine we supply is carefully selected, inspected and prepared to meet the highest standards. Choose the option that best suits your vehicle, your budget and your plans.
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 clear, technician-led route from diagnosis to supply, fitment and handover for Land Rover engines.
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.
Every engine we supply is rebuilt in-house at our UK facility by specialist technicians who live and breathe Land Rover engineering.
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.
Every engine we supply is rebuilt in-house at our UK facility by specialist technicians who live and breathe Land Rover engineering.
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
Direct Land Rover engine expertise, in-house rebuild standards, engine code compatibility control, supply and fit coordination, and dependable aftercare — all under one accountable team.
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.
Looking for a dependable Land Rover Discovery 3 engine in the UK? Mayfair Rebuilds supplies, rebuilds and replaces Discovery 3 engines for UK drivers. We work only on Jaguar, Land Rover and Range Rover engines, so we know the Discovery 3 inside out. The 2.7 TDV6 276DT diesel is the most common Discovery 3 engine on UK roads, with the 4.4 V8 petrol and 4.0 V6 also fitted in some models. These engines have known faults like oil pump failure and crankshaft bearing failure that can cause sudden seizure. We help you get the correct engine matched to your reg, engine code, gearbox, ECU and emissions setup. Whether you need a Discovery 3 engine for sale, a full Discovery 3 engine rebuild, or a complete Discovery 3 engine replacement, we offer tested options with UK-wide delivery and professional supply and fit support from start to finish.
| Problem | Cause | Our Engine Solution |
|---|---|---|
|
Crankshaft Failure |
Oil pump failure or heavy engine strain snapping the crank. |
Full engine rebuild with an upgraded oil pump and balanced crankshaft. |
|
Timing Chain Stretch |
Wear and tear on tensioners causing rattling and limp mode. |
Replacement of timing chains, guides, and tensioners during the rebuild process. |
|
Turbocharger Failure |
Oil starvation or worn internal bearings leading to power loss. |
Fitment of reconditioned turbo units and replacement of blocked oil feed pipes. |
|
EGR Cooler Clogging |
Heavy carbon buildup from stop-start UK city driving. |
Replacement with uprated EGR coolers or performing a safe EGR delete during the swap. |
|
Crankshaft Oil Seal Leaks |
Dried out or degraded front and rear main seals. |
Replacement of all vital oil seals during a complete engine replacement. |
When your vehicle suffers a major breakdown, a full Discovery 3 engine rebuild is often the best choice. Our team strips down the engine to find the exact cause of the failure. We machine and replace worn parts to bring the engine back to factory standards. If a rebuild is not possible, we offer a complete Discovery 3 engine replacement. We supply and fit reconditioned units that are fully tested before installation. This ensures your vehicle performs exactly as it should. A Discovery 3 engine swap requires careful code matching and workshop preparation. We handle every step of this complex process. Our mechanics check all related systems to prevent future issues. We only use the best parts to guarantee long-lasting results. You can rely on our deep knowledge of these specific Land Rover models.
Finding the right Discovery 3 engine for sale can be difficult and risky. At Mayfair Rebuilds, we take the guesswork out of buying used or reconditioned engines. We offer a complete supply and fit service across the UK. Our team sources the exact Land Rover Discovery 3 engine your vehicle needs. We perform strict compatibility checks and workshop preparation before fitting the unit. This means you get a perfectly matched engine that starts and runs perfectly. We also handle the coding and testing after the installation. Choosing a full supply and fit package saves you time and money. You do not need to worry about finding a separate garage to install the engine. We manage the whole job from start to finish to give you total peace of mind.
Many owners worry about the Discovery 3 engine replacement cost when their vehicle breaks down. The final price depends heavily on the extent of the internal damage and the specific engine code required for your model. We provide clear and honest quotes with absolutely no hidden fees or surprise charges later on. Our goal is to offer the most competitive prices in the UK market while maintaining high repair standards. A full diagnosis is always the first step to give you an accurate figure. We explain every part of the quote so you understand exactly what you are paying for. Contact our team today for a free and detailed estimate for your vehicle.
Everything you need to know about our engine replacement, rebuild and supply process.
