Land Rover Engines In Stock NOW: Live Prices, Rebuild Cost & Supply & Fit Service (UK-Wide)
Check REAL-TIME stock availability for all Land Rover models. View exact rebuild costs, professional engine works & find a certified garage near you - all with 12-month warranty, MoT-ready units, and same-day dispatch.
Land Rover Discovery Engine Specialists - From Classic TD5 to Modern P360
At JLR Engine Specialists Ltd, we’ve focused exclusively on Jaguar Land Rover engines since 2009 - and the Land Rover Discovery is one of the most frequently serviced models in our Billericay-based workshop. Whether you own a 1999 Discovery 2 TD5, a 2007 Discovery 3 TDV6, or a 2023 Discovery 5 P360, our Essex facility has rebuilt, replaced, and restored over 300 Discovery engines across all five generations.
We specialise in all Discovery engine families:
All Engine Replacements Include:
- ✓ Full fitment
- ✓ ECU reset
- ✓ Road test
- ✓ 12-month unlimited-mileage warranty
- ✓ No hidden diagnostics fees if you proceed
Unlike general garages, we only work on JLR powertrains - so your Discovery engine gets attention from technicians who’ve resolved every failure mode, from TDV6 turbo oil starvation to Ingenium injector seal leaks.
We’re based in Billericay (near Chelmsford & Romford), Essex, and offer vehicle collection across the UK for a small fee - so your Discovery can be repaired in our dedicated JLR workshop, not a generic bay.
"All engine replacements include: Full fitment, ECU reset, road test, and a 12-month unlimited-mileage warranty - with no hidden diagnostics fees if you proceed."
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Precision. Performance. Perfection.
Land Rover Discovery Engine Fit Guaranteed: Series I, II, 3, 4 & 5 (1989-2025)
Starting from £4,200, our reconditioned engines are engineered for perfect fitment across every Land Rover Discovery model - including all trims from the original 1989 Series I through to the current L462 Discovery 5. No more guessing: we verify compatibility down to the VIN for S, SE, HSE, SDV6, Landmark, Metropolitan, and commercial variants.
Every engine is cross-referenced against Land Rover’s technical bulletins - 15+ years of Discovery-specific rebuild expertise in our Billericay workshop near Chelmsford ensures zero fitment surprises.
Discovery Engine Prices: Transparent, OEM-Spec Reconditioned Units from £4,200
Save 40% vs. Dealership Prices - Compare pricing for TDV6 2.7L, AJD-V6 3.0L SDV6, Si6 petrol, and Ingenium D250/D300 across Discovery 3, 4 & 5 models (2004-2025).
| Engine Code | Est. Price (£) | Defender Models (Trim/Body Style) | Engine Size (L) | Fuel Type | Power (kW/HP) | Year Range | Warranty | Request Quote |
|---|
Key Notes
Discovery 1-2: Classic diesels (200Tdi, 300Tdi, TD5) - ideal for restoration.
Discovery 5 & Sport: Modern Ingenium engines (AJ200D, AJ300D) - MHEV compatible.
Discovery 3-4: TDV6 engines (306DT/D1/D2) - watch for EGR/DPF issues.
V8 option: 508PN supercharged V8 in Discovery 4 offers 370 HP.
All prices include full fitment, VAT, ECU reset, road test, and a 12-month unlimited-mileage warranty. Diagnostics are free if you proceed with the repair. Every engine is rebuilt in-house by JLR-trained technicians using dealer-level diagnostics (Autologic, JLR SDD) and premium components - never remanufactured cores from unknown sources.
Based in Billericay, Essex, we offer UK-wide vehicle collection for a small fee, so your Discovery - whether a classic D1 or a late-model D5 - receives expert care in a dedicated JLR engine workshop, not a general garage. With over 1,200 JLR engines rebuilt since 2009, including hundreds of Discovery units, we’ve seen every failure mode and engineered solutions that last.
Prices reflect in-house rebuilt units (not "refurbished" cores) - Certified Discovery Engine Rebuilds by JLR-Trained Technicians.
How We Rebuild Your Discovery Engine - Precision, Not Promises
This isn’t a catalogue rebuild. Every Land Rover Discovery engine we restore is treated as a unique case, based on its model, mileage, and failure pattern. Here’s our 5-step workshop process - performed entirely in-house at our Billericay facility:
Failure Diagnosis - Beyond the Obvious
We don’t just strip the engine - we identify the root cause:
→ TDV6? Inspect turbo oil feed pipes for sludge blockage.
→ Ingenium? Test injector seal integrity and carbon buildup.
→ TD5? Check for head cracks and harness chafing.
You receive photo evidence - not assumptions.
Precision Metrology - To 0.01mm Tolerance
Using calibrated bore gauges and micrometers, we verify:
→ Crankshaft runout (<0.05mm)
→ Bearing clearances (oil film integrity)
→ Head flatness (critical for MLS gasket sealing)
Out-of-spec? We machine in-house, no shortcuts.
In-House Machining & Clean Assembly
Block honing, head skimming, pressure testing - all done on-site. Engines are assembled in a dedicated clean bay to prevent contamination.
Rebuild with Known Weakness Fixes
We pre-empt repeat failures with proven upgrades:
→ TDV6: Upgraded turbo oil feed pipe
→ Ingenium: Updated injector seals + PCV valves
→ TD5: Reinforced rocker cover gasket
All parts: Land Rover OEM, Mahle, or Elring - never budget-tier.
Dyno + Real-World Validation
Before release:
→ 45-minute dyno run (oil pressure ≥4 bar at idle)
→ Full ECU reset & adaptation (Autologic/JLR tools)
→ 15-mile loaded road test (hills, cold restart, emissions check)
You get a signed validation report - not just a warranty slip.
“Since 2009, we’ve rebuilt over 300 Discovery engines - from farm-used TD5s to failed P360s. We don’t sell engines. We sell peace of mind.”
Land Rover Discovery Engine Warning Signs - And How We Fix Them for Good
Spot one of these issues? You’re not alone. These are the most frequent Discovery engine failures we diagnose weekly in our Essex workshop - and exactly how we resolve them permanently.
| Problem | Likely Cause | Our Fix | Affects |
|---|---|---|---|
| Excessive white/grey smoke on startup | Failed injector seals (Ingenium) or EGR cooler leak (TDV6) allowing coolant/fuel into combustion chamber | Replace injectors with updated seals (Ingenium) or fit EGR delete/coolant bypass kit + full coolant system flush (TDV6) | Ingenium D200/D250 (2017-2020), TDV6 2.7L (2004-2010) |
| Loss of power + DPF warning light | Clogged DPF due to short journeys, faulty EGR valve, or turbo actuator failure | Full DPF regeneration assessment; if failed, replace with OEM-spec unit + recalibrate EGR and turbo maps using Autologic | Discovery 4 & 5 Diesels (2009-present) |
| Rattling/ticking from engine bay (cold start) | Timing chain tensioner wear (V8 AJ133) or hydraulic lifter collapse (TDV6) | Replace tensioners, guides, and chains with revised OEM-spec kits; oil pump inspected for wear | Discovery 4 V8 (2010-2016), Discovery 3/4 TDV6 (2004-2016) |
| Oil pooling under vehicle + burning smell | Turbo oil feed/drain pipe blockage → turbo seal failure → oil dumped into exhaust | Clean or replace oil feed/drain pipes with anti-clog design + new turbo cartridge; flush oil system | TDV6 2.7L (Discovery 3/4, 2004-2010) |
| Misfire on acceleration (P-codes: P0300-P0306) | Carbon buildup on intake valves (Ingenium direct injection) or failing coil packs | Intake decarbonisation + updated camshaft position sensors; coils tested under load | Ingenium P250/P300 (2017-present) |
| Engine seized - won’t crank | Catastrophic oil starvation (often from blocked pickup screen in TDV6) or injector failure dumping fuel into sump | Full root-cause diagnosis first - we never assume. If rebuild needed, block is hot-tanked, inspected, and machined in-house | High-mileage Discovery 3/4 (especially TDV6), neglected Discovery 2 TD5 |
| Coolant loss with no visible leak | Cracked cylinder head (Discovery 2 TD5) or failed head gasket (300Tdi) | Pressure-test block and head; if cracked, replace with reconditioned unit + ARP head studs for long-term reliability | Discovery 1 & 2 (1994-2004) |
Don’t guess - diagnose. Book a free engine assessment and get a no-obligation repair plan from Discovery specialists.