Land Rover Discovery Engine ReplacementCompare Prices & Save

Key points

• • Rebuilt 2.7 TDV6 engines start around £3,200 supply-only UK-wide
• • 3.0 SDV6 306DT replacements range £3,450-£5,600 depending on mileage
• • Ingenium 2.0L AJ200D units cost £3,600-£5,100 due to timing chain complexity
• • V8 petrol 508PN engines command £5,800-£7,900 for specialist rebuilds
• • All quotes include 12-month unlimited mileage warranty as standard

Key points

• • AJ200D timing chains wear prematurely due to oil dilution from DPF regeneration cycles
• • 276DT/306DT oil pumps suffer casing cracks leading to sudden oil pressure loss
• • Turbocharger actuator faults (P00Q6 code) frequently affect twin-turbo 306DT engines
• • EGR cooler leaks cause coolant loss and overheating on high-mileage TDV6 units
• • Early symptom recognition can prevent total engine seizure and reduce replacement costs

Key points

• • Check V5C section D.2 for the factory engine code reference
• • Engine bay plaque near the firewall lists code and serial number
• • Discovery 3 (2004-2009) typically uses 276DT 2.7L V6 diesel
• • Discovery 4/5 (2010-present) predominantly feature 306DT 3.0L units
• • AJ200D 2.0L Ingenium appears in late-model Discovery 5 and Sport

Key points

• • Rebuilt engines replace all wear items: bearings, seals, timing components, oil pump
• • Supply-only prices start £2,850; supply & fit adds £1,200-£2,500 workshop labour
• • Rebuilds on-vehicle risk missing hidden damage like crank scoring or head cracks
• • Warranty coverage on replacement engines protects against premature repeat failure
• • Core return policy refunds £300-£800 if original block is undamaged

Key points

• • 12-month unlimited mileage warranty standard on all rebuilt and reconditioned units
• • Coverage includes crankshaft, pistons, cylinder heads, turbos, and fuel injection systems
• • Warranty is transferable if you sell your Land Rover Discovery within the term
• • Claims processed directly with the supplying specialist, no dealer involvement required
• • Supply & fit packages include labour warranty for installation workmanship

Key points

• • Over 120 verified Land Rover specialist garages across England, Scotland, Wales
• • Fixed-price fitting quotes include all labour, fluids, and diagnostic recalibration
• • Most workshops offer courtesy cars or collection/delivery services for convenience
• • Engine replacement typically completed in 2-3 working days from arrival
• • All fitting centres follow JLR-spec torque settings and calibration procedures

Key points

• • Deep knocking or rattling from the crankshaft area signals bearing failure
• • Zero oil pressure warning with no visible leaks suggests pump or pickup failure
• • White exhaust smoke with sweet smell indicates coolant entering combustion chambers
• • Seized engine that won't turn over confirms internal mechanical destruction
• • Diagnostic codes P0016, P0087, or P00Q6 often precede major Land Rover Discovery engine failure

Key points

• • Used engines from breakers start £2,350 but carry unknown mileage and history
• • Reconditioned engines from £2,850 include new bearings, seals, and timing components
• • Core return refunds of £300-£800 reduce net cost if original block is sound
• • Supply-only option saves £1,200-£2,500 if you have a trusted local fitter
• • Avoid non-UK suppliers; import duties and shipping often erase apparent savings

Key points

• • 306DT Gen2 (2015+) features revised oil pump casing preventing catastrophic failure
• • AJ200D Ingenium diesel requires strict oil changes every 10k miles to protect timing chain
• • 276DT 2.7L TDV6 is robust but oil pump upgrades are essential preventative maintenance
• • Petrol V8 units (508PN) are rare but mechanically simple with fewer failure points
• • Regular servicing with JLR-spec oil is critical for all Land Rover Discovery engine longevity

Key points

• • 306DT engines with Gen2 oil pump revisions regularly exceed 180,000 miles trouble-free
• • AJ200D Ingenium units need oil changes every 10k miles, not the official 18k
• • Turbocharger lifespan averages 120,000 miles; premature failure often signals underlying issues
• • Using non-spec oil accelerates timing chain wear on all Land Rover Discovery diesel engines
• • Full service history significantly increases resale value and reduces replacement engine costs

Key points

• • Engine swaps must match original emissions standard for MOT compliance
• • ECU recalibration is required if changing between diesel and petrol variants
• • Insurance providers may void coverage for unreported engine code modifications
• • Specialist Land Rover garages can advise on compatible Land Rover Discovery engine codes
• • Using the correct code preserves Terrain Response and air suspension functionality