Chevrolet Silverado 1500 Engine ReplacementCompare Quotes from UK Specialists

Typical rebuilt engine prices range from £3,495 for a 5.3L V8 to £11,995 for a 3.0L Duramax diesel, supply only. Supply & fit adds £1,200-£2,500 depending on location and vehicle configuration.

• 5.3L EcoTec3 V8 rebuilt: £3,495-£6,995 supply only
• 6.2L EcoTec3 V8 rebuilt: £5,995-£9,995 supply only
• 3.0L Duramax diesel rebuilt: £7,495-£11,995 supply only
• Supply & fit labour typically adds £1,200-£2,500
• Prices include minimum 12-month unlimited mileage warranty

The LV3 4.3L V6 and legacy LM7 5.3L Vortec V8 have the simplest designs and fewest documented failures, making them the most reliable choices for replacement.

• LV3 4.3L V6: simpler architecture, no AFM/DFM complexity
• LM7 5.3L Vortec: proven design, excellent parts availability
• Avoid AFM/DFM-equipped EcoTec3 V8s unless delete-calibrated
• Duramax diesel reliable but requires emissions system expertise
• Always request AFM delete calibration on rebuilt EcoTec3 V8s

Standard rebuilt engines are typically available within 5-10 working days; specialist Duramax diesel or high-output V8 units may require 2-4 weeks for sourcing and preparation.

• Common L83 5.3L V8: 5-10 working days typical lead time
• L86 6.2L V8 or Duramax diesel: 2-4 weeks specialist order
• Installation at specialist garage: 2-3 working days
• RHD conversion compatibility checks add minimal time
• Express service available for urgent replacements at premium cost

Not necessarily - if your transmission is functioning well, it can usually be reused with a replacement engine, but we recommend a fluid service and torque converter inspection during installation.

• 6L80/8L90 automatic transmissions generally reliable with maintenance
• Fluid change and filter service recommended during engine swap
• Torque converter inspection advised if original engine failed catastrophically
• Transmission rebuild adds £1,500-£3,000 if needed
• Bundle engine + transmission service for potential labour savings

A like-for-like engine replacement typically won't change your insurance group, but you must notify your insurer of any modifications or performance upgrades to maintain coverage validity.

• Like-for-like rebuilt engine: usually no premium impact
• Performance upgrades (e.g., 5.3L to 6.2L swap): must declare
• Diesel-to-petrol or fuel-type changes require insurer notification
• Keep documentation of replacement engine specifications
• Specialist classic/import insurers may offer better terms for modified Silverados

Yes - many UK owners upgrade from 5.3L to 6.2L V8 or add performance calibrations, but ensure compatibility with your transmission, cooling system, and RHD conversion before proceeding.

• 5.3L to 6.2L V8 swap possible with ECU recalibration
• Performance tunes available but may affect warranty coverage
• Cooling system upgrade recommended for high-output applications
• Verify transmission torque capacity before power increases
• Specialist consultation essential for RHD-converted vehicles

All engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty; premium remanufactured units may offer 24-month coverage with specific terms confirmed by your chosen supplier.

• Minimum 12-month unlimited mileage warranty standard
• Rebuilt and remanufactured units typically include full coverage
• Used engines may have shorter or limited warranties
• Warranty valid UK-wide with approved fitting centres
• Always confirm exact terms before order placement

Check the 8th digit of your VIN, the engine bay sticker, or use our free registration lookup tool to instantly identify your exact engine code and compatible replacement options.

• VIN 8th digit: L=L83 5.3L, C=L86 6.2L, M=LM2 Duramax
• Engine bay sticker often lists code near firewall
• Registration lookup tool verifies via DVLA database
• Engine code critical for ensuring correct replacement fitment
• RHD conversion may require additional compatibility checks

Professionally reconditioned engines restore near-new reliability with upgraded components addressing known failure points, offering excellent value versus crate-engine pricing for most UK Silverado owners.

• Reconditioning includes machining, new bearings, seals, gaskets
• Upgraded lifters available for AFM/DFM-prone EcoTec3 V8s
• Bench testing before dispatch ensures quality control
• 12-month warranty provides peace of mind post-installation
• Significant cost saving versus brand-new crate engines

Most suppliers offer a core charge refund (£200-£800) when you return your old engine for remanufacturing or recycling, with collection arranged through your fitting garage.

• Core charge refund incentivises return of old engine
• Collection typically arranged via fitting garage or supplier
• Engines remanufactured or recycled responsibly in UK facilities
• Keep documentation for core refund processing
• Some suppliers waive core charge for certain promotions