Mitsubishi Endeavor Engine Replacement - Compare Quotes from UK Specialists

Key points

• Reconditioned 6G75 long blocks start around £2,800 from UK specialists
• Used donor engines range £1,800-£2,400 but carry higher risk
• Supply & fit labour varies by garage expertise with US-spec imports
• Always confirm warranty terms and core return policy before ordering

Key points

• SOHC 24-valve design is simple and durable when serviced correctly
• Timing belt must be replaced every 60k miles with tensioner and water pump
• High-mileage examples commonly develop oil consumption via valve seals
• Lash adjuster ticking is frequent but rarely indicates imminent failure

Key points

• Snapped timing belt bends valves and pistons (interference design)
• Infrequent oil changes cause bearing wear and audible bottom-end knock
• PCV system clogging accelerates valve seal hardening and blue smoke
• Exhaust manifold cracks on AWD models from repeated heat cycling

Key points

• 6G75 block, mounts, wiring and ECU are unique to the Endeavor platform
• 6G74 3.5L V6 lacks power and requires custom ECU tuning to function
• Aftermarket crate engines exist but cost significantly more than rebuilt 6G75 units
• Always verify engine code matches your VIN before ordering a replacement

Key points

• Regular oil changes with correct viscosity prevent bearing wear
• Timing belt replacement at 60k miles prevents catastrophic valve damage
• Replacing valve seals around 100k miles reduces oil consumption
• Many US examples exceed 200k miles with documented service history

Key points

• Always replace tensioner, idlers and water pump during belt service
• Use OEM-spec belts; aftermarket variants have higher failure rates on 6G75
• Failure to replace on schedule risks bent valves costing £2,000+ in repairs
• Keep receipts as proof of service for warranty and resale purposes

Key points

• Factory service manual and torque specs are essential for correct assembly
• Cylinder block honing and crankshaft grinding require machine shop access
• Timing belt installation demands precise alignment to avoid valve damage
• Budget £800-£1,500 for quality rebuild kits beyond basic gasket sets

Key points

• Verify supplier experience with US-spec emissions and ECU hardware
• Request compression test results and service history for used engines
• Confirm warranty covers UK road use and includes return shipping if faulty
• Factor in import duties and VAT when ordering direct from US suppliers

Key points

• Confirm warranty terms cover both parts and labour for installation faults
• Keep all service records to maintain warranty validity post-installation
• Some suppliers require professional fitment for warranty activation
• Warranty typically excludes damage from incorrect installation or misuse

Key points

• Catastrophic failures (belt snap, rod knock) almost always warrant full replacement
• Minor issues (ticking, mild oil consumption) may be cost-effectively repaired
• Consider the vehicle's UK market value (£2,000-£4,000) when budgeting repairs
• Rebuilt engines with upgraded components reduce repeat failure risk