Land Rover Defender 110 Works V8 Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Land Rover Defender 110 Works V8 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best deal for your high-performance 4x4.
Supply & Fit Available
12-Month Warranty
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From £8,000 to £12,000 [ESTIMATED - using Jaguar AJ133/508PN as proxy for 5.0L Supercharged V8]
Used from £3,000 · Reconditioned from £5,500 · Common codes: P525, AJ133, 508PN
From £3,000
Tested, bare/short engine
From £5,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain

Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Land Rover Defender 110 Works V8 specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Land Rover Defender 110 Works V8 Replacement Engineto Finding the Best Land Rover Defender 110 Works V8 Replacement Engine
Most replacements completed within 3-5 days.
Land Rover Defender 110 Works V8 - Engine History & Specs at a Glance
When the Land Rover Defender 110 Works V8 launched, it brought the iconic 5.0-litre supercharged V8 petrol engine to the modern L663 generation, offering the fastest and most powerful production Defender ever made.

Land Rover Defender 110 Works V8 - Engine History & Specs at a Glance
When the Land Rover Defender 110 Works V8 launched, it brought the iconic 5.0-litre supercharged V8 petrol engine to the modern L663 generation, offering the fastest and most powerful production Defender ever made.
Land Rover Defender 110 Works V8
Engine History Timeline
Introduction of the P525 / AJ133 5.0L supercharged V8 petrol engine in the Defender 110 Works V8 producing 525 PS (518 hp) and 625 Nm of torque.
Present - Continued production with refined engine management and bespoke Works tuning maintaining its status as the pinnacle of Defender performance.
Key Specs Snapshot
Every engine fitted to the Land Rover Defender 110 Works V8 is covered below, with UK rebuilt pricing and known failure points.
Land Rover Defender 110 Works V8 Engine Codes - Specifications & Replacement CostLand Rover Defender 110 Works V8 Engine Codes - Specifications & Replacement Cost
5.0L Supercharged Petrol V8 (2021-present)
Compatible Trim Levels
- Defender 110 Works V8
- Defender 110 V8 (Standard)
- Defender 110 V8 Trophy (Works Bespoke)


Land Rover Defender 110 Works V8 engine replacement
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£3,000-£5,500 [ESTIMATED - using Jaguar AJ133/508PN as proxy for 5.0L Supercharged V8]
Reconditioned
Addressed known issues, tested
£5,500-£9,000 [ESTIMATED - using Jaguar AJ133/508PN as proxy for 5.0L Supercharged V8]
Rebuilt
Full teardown, upgraded internals
£8,000-£12,000 [ESTIMATED - using Jaguar AJ133/508PN as proxy for 5.0L Supercharged V8]
Common Failure
Timing chain tensioner wear (more common in pre-2013 iterations of this engine family, though revised in L663), coolant leaks from crossover pipes, and supercharger coupler wear, typically emerging after 60,000-120,000 miles [THIRD-PARTY - Parkers / JLR specialist forums].


The 5.0-litre supercharged V8 (P525/AJ133) in the Land Rover Defender 110 Works V8 is a high-performance powerhouse. While the L663 generation benefits from revised, more robust components compared to earlier iterations of this engine family, age-related wear on the supercharger coupler, cooling system, and valvetrain remains a known pattern. Rebuilt engines through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.

Why the Land Rover Defender 110 Works V8 P525 Loses Refinement
Affected Vehicles
Land Rover Defender 110 Works V8 (P525 / AJ133, 2021-present)
Typical Failure Mileage
60,000-120,000 miles
Root Cause
The supercharger snout coupler can wear over time, causing a distinct rattling noise at idle or low RPM. Additionally, plastic coolant crossover pipes and water pump housings are prone to developing leaks under high thermal stress.
Why It Happens
The supercharger snout coupler can wear over time, causing a distinct rattling noise at idle or low RPM. Additionally, plastic coolant crossover pipes and water pump housings are prone to developing leaks under high thermal stress.
Dealer (parts + labour)
£1,200-£2,000
Specialist (parts + labour)
£800-£1,500
What it involves
Replace supercharger coupler, water pump, thermostat, and coolant crossover pipes with upgraded metal/composite parts.
Suitability
Highly effective at restoring smooth operation and preventing catastrophic overheating if caught early.
Dealer (parts + labour)
£9,500-£14,000
Specialist (parts + labour)
£8,000-£12,000 [ESTIMATED - using Jaguar AJ133/508PN as proxy]
What it involves
Supply & fit, upgraded supercharger and cooling components addressing the original failure point, 12-month warranty.
Suitability
The right call if the engine has suffered secondary damage from overheating or severe internal wear.
| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
Preventative Cooling & Coupler Refresh Minor | £1,200-£2,000 | £800-£1,500 | Replace supercharger coupler, water pump, thermostat, and coolant crossover pipes with upgraded metal/composite parts. | Highly effective at restoring smooth operation and preventing catastrophic overheating if caught early. | |
Full Replacement - rebuilt/reconditioned engine Best Value | £9,500-£14,000 | £8,000-£12,000 [ESTIMATED - using Jaguar AJ133/508PN as proxy] | Supply & fit, upgraded supercharger and cooling components addressing the original failure point, 12-month warranty. | The right call if the engine has suffered secondary damage from overheating or severe internal wear. |
Vehicle Value Check
Vehicle Value Check
A typical Land Rover Defender 110 Works V8 of relevant age (2021-present) currently holds a UK market value of approximately £100,000-£130,000+ [THIRD-PARTY - Auto Trader / Classic Car market observations]. At this premium value band, a reconditioned or rebuilt engine replacement is financially trivial relative to the vehicle's worth, easily justifying the investment to preserve its high-performance capability and resale value.
Our Recommendation
Our Recommendation
If your Land Rover Defender 110 Works V8 is exhibiting a supercharger rattle or minor coolant seepage but has not suffered thermal damage, a targeted preventative refresh of the coupler and cooling system by a JLR specialist is the most cost-effective route. However, if the engine has overheated or exhibits internal knocking, a full rebuilt replacement is the only reliable long-term solution to protect your investment.

Don't Let Engine Failure Write Off Your Land Rover Defender 110 Works V8
Protect your high-performance 4x4 investment by addressing supercharger and valvetrain issues early. If replacement is necessary, EnginesMarket connects you with vetted specialists offering rebuilt Land Rover Defender 110 Works V8 engines with upgraded components, a minimum 12-month unlimited mileage warranty, and nationwide delivery, saving you from exorbitant main dealer premiums.
Compare rebuilt P525 / AJ133 Land Rover Defender 110 Works V8 engine prices
Important Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Land Rover Defender 110 Works V8. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Land Rover Defender 110 Works V8 Engine ReplacementFrequently Asked Questions
Question 1How much does a Land Rover Defender 110 Works V8 engine replacement cost-
A full rebuilt or reconditioned engine replacement for a Land Rover Defender 110 Works V8 typically ranges from £8,000 to £12,000 for supply only, depending on the specialist and the extent of performance upgrades included. Used engines start around £3,000 but carry higher risk, while rebuilt units include upgraded components and a 12-month warranty.
-> Compare Land Rover Defender 110 Works V8 engine replacement quotes today.Question 2What are the signs of a failing P525/AJ133 engine in a Land Rover Defender 110 Works V8-
The most common early warning signs in the Land Rover Defender 110 Works V8 are a distinct rattling noise from the supercharger snout at idle, unexplained coolant loss, or a cold-start timing chain rattle. You should also check for sweet-smelling exhaust, white smoke, or oil residue around the valve covers.
-> If you notice these symptoms, get your Land Rover Defender 110 Works V8 checked immediately.Question 3Is it worth replacing the engine in a Land Rover Defender 110 Works V8-
Yes, given the strong classic and high-performance car market, a well-maintained Land Rover Defender 110 Works V8 typically holds a value between £100,000 and £130,000+, making an £8,000 to £12,000 rebuilt engine a financially sound investment. A rebuilt engine restores reliability, preserves resale value, and is significantly cheaper than purchasing a newer high-performance 4x4.
-> Secure your Land Rover Defender 110 Works V8's future with a rebuilt engine quote.Question 4How long does a Land Rover Defender 110 Works V8 engine replacement take-
A professional supply and fit service for a Land Rover Defender 110 Works V8 typically takes 3 to 5 days, depending on the specialist's workload and whether any ancillary components like the supercharger or cooling system are being upgraded simultaneously. Sourcing a quality rebuilt unit may add a few days, so always confirm the exact turnaround time with your chosen specialist.
-> Book your Land Rover Defender 110 Works V8 supply and fit appointment now.Question 5What is the difference between the Land Rover Defender 110 Works V8 and the standard P400 engine-
The Land Rover Defender 110 Works V8 uses a 5.0-litre supercharged V8 petrol engine (P525/AJ133) producing 525 PS, prioritising raw power, torque, and a distinctive exhaust note. In contrast, the standard P400 uses a 3.0-litre inline-six mild-hybrid petrol engine focused on a balance of performance and everyday fuel efficiency.
-> Find the right engine for your Land Rover Defender 110 by checking compatibility.Compare Land Rover Defender 110 Works V8Engine PricesToday
50+ Land Rover Defender 110 Works V8 engines supplied through our network
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