Cadillac SRX Engine ReplacementCompare Quotes from UK Specialists

Cadillac SRX engine replacement costs typically range from £2,600 to £4,200 for rebuilt 3.6L V6 units (LY7/LFX), with Northstar V8 (LH2) rebuilds from £3,500 to £6,200. Prices vary by engine code, condition type, and whether you choose supply-only or supply & fit.

• LY7 3.6L rebuilt engines: £2,600-£3,800 supply only
• LFX 3.6L rebuilt engines: £2,800-£4,200 supply only
• LH2 4.6L V8 rebuilt engines: £3,500-£6,200 supply only
• Supply & fit adds £800-£1,500 depending on location
• All rebuilt engines include 12-month unlimited mileage warranty

The Cadillac SRX was fitted with four main engine codes: LY7 (255hp 3.6L V6, 2004-2009), LFX (308hp 3.6L V6, 2010-2016), LF1 (265hp 3.0L V6, rare), and LH2 (320hp 4.6L Northstar V8, 2004-2009). Enter your registration to verify your exact engine code instantly.

• LY7: Gen 1 3.6L V6, 255hp, timing chain tensioner vulnerability
• LFX: Gen 2 3.6L V6, 308hp, improved power but similar timing chain risks
• LF1: Rare 3.0L V6, 265hp, limited UK availability
• LH2: Northstar 4.6L V8, 320hp, head bolt thread concerns

Yes, rebuilt Cadillac SRX engines from vetted UK specialists are highly reliable when they include upgraded components addressing known failure points like timing chain guides and piston rings. All rebuilt engines supplied through EngineMarket carry a minimum 12-month unlimited mileage warranty.

• Rebuilt engines include upgraded timing components and revised piston rings
• Bench testing ensures performance before dispatch
• 12-month unlimited mileage warranty standard across network
• Specialist rebuilders address known LY7/LFX failure patterns

Typical turnaround for a rebuilt Cadillac SRX engine is 3-5 working days for supply-only, with supply & fit appointments adding 1-2 days for delivery and installation. Urgent replacements may be available from stock depending on engine code and location.

• Supply-only rebuilt engines: 3-5 working days typical
• Supply & fit service: add 1-2 days for delivery and fitting
• Used engines may offer same-day collection from some suppliers
• Northstar V8 (LH2) rebuilds may require longer lead times

The most common causes of Cadillac SRX engine failure are timing chain tensioner/guide wear (60k-100k miles), excessive oil consumption from piston ring wear, and water pump internal seal leaks. Early diagnosis can prevent catastrophic damage.

• Timing chain component wear causes rattles and potential timing errors
• Oil consumption increases with piston ring carbon buildup
• Water pump leaks lead to coolant loss and overheating risk
• Northstar V8 head bolt thread pull-out is a known design vulnerability

No, replacing your Cadillac SRX engine with a like-for-like rebuilt unit does not affect MoT compliance, provided the replacement engine matches the original emissions specification. Documentation of the engine change should be retained for V5C updates if required.

• Like-for-like engine swaps maintain original emissions classification
• Retain invoices and engine code documentation for V5C updates
• ULEZ compliance depends on original vehicle registration date, not engine replacement
• Specialist fitters can advise on post-installation calibration requirements

Cadillac SRX compliance with London's ULEZ depends on the vehicle's original registration date, not the replacement engine. Most SRX models registered before 2006 do not meet ULEZ standards regardless of engine condition.

• ULEZ compliance is determined by original vehicle registration, not engine replacement
• Pre-2006 petrol vehicles generally do not meet Euro 4 ULEZ threshold
• Engine replacement does not change the vehicle's emissions classification
• Check Transport for London's vehicle checker for your specific SRX

All rebuilt Cadillac SRX engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty as standard. Some specialists offer extended coverage options - always confirm exact terms with your chosen supplier before ordering.

• 12-month unlimited mileage warranty standard across network
• Warranty covers parts and labour for manufacturing defects
• Supply & fit installations typically include fitting warranty
• Extended warranty options may be available from select specialists

Enter your registration number above to instantly identify your Cadillac SRX's exact engine code, displacement, and compatible replacement options via the DVLA database. Alternatively, check your V5C document or engine bay stamping for the factory engine code.

• DVLA lookup via registration provides instant engine code verification
• V5C registration document lists engine capacity and fuel type
• Engine code is stamped on the block (visible with inspection)
• LY7/LFX codes are not interchangeable without ECU recalibration

While technically possible for experienced mechanics, Cadillac SRX engine replacement requires specialist tools, ECU calibration equipment, and knowledge of GM High Feature V6 procedures. We recommend using a vetted specialist to maintain warranty validity and ensure correct installation.

• GM High Feature V6 requires specific timing procedures and tools
• ECU recalibration needed after engine replacement for optimal performance
• Specialist installation maintains rebuilt engine warranty validity
• Supply-only option available if you have access to qualified fitting facilities