Land Rover Defender 110 Works V8 SPECIALISTS

Land Rover Defender 110 Works V8 Engine Replacement Compare 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.

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Land Rover Defender 110 Works V8 Engine

from£8,000 to £12,00...

Usedfrom £3,000
Reconditionedfrom £5,500
Common codesP525, AJ133, 508PN

Land Rover defender-110 Works V8 Used Engine — P525 / AJ133 (508PN)

Land Rover defender-110Used Engine — P525 / AJ133 (508PN)

Land Rover defender-110 Works V8 Reconditioned Engine — P525 / AJ133 (508PN)

Land Rover defender-110Reconditioned Engine — P525 / AJ133 (508PN)

Land Rover defender-110 Works V8 Rebuilt Engine — P525 / AJ133 (508PN)

Land Rover defender-110Rebuilt Engine — P525 / AJ133 (508PN)

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

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.

2021
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.
2022
Present - Continued production with refined engine management and bespoke Works tuning, maintaining its status as the pinnacle of Defender performance.

Every engine fitted to the Land Rover Defender 110 Works V8 is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Land Rover Defender 110 Works V8 Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

P525 / AJ133 (508PN) — 5.0L Supercharged Petrol V8 (2021-present)

Power Output: 525 PS (518 hp)
Years Fitted: 2021-present

Can’t find your exact engine code?-> Get quotes for P525 / AJ133 Land Rover Defender 110 Works V8 engine replacement

-> Get quotes for P525 / AJ133 Land Rover Defender 110 Works V8 engine replacement

Common Problems

Land Rover Defender 110 Works V8 Engine Problems Repair Cost vs Replacement

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.

Common failure points and repair options

Supercharger Coupler Wear & Cooling System Leaks

Affected: 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.

Repair options

Repair tier	Dealer price	Specialist price
Preventative Cooling & Coupler Refresh	£1,200-£2,000	£800-£1,500
Full Replacement - rebuilt/reconditioned engine	£9,500-£14,000	£8,000-£12,000 [ESTIMATED - using Jaguar AJ133/508PN as proxy]

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.

-> Compare rebuilt P525 / AJ133 Land Rover Defender 110 Works V8 engine prices

Timing Chain Tensioner Wear

Affected: Land Rover Defender 110 Works V8 (P525 / AJ133, 2021-present)
Typical failure mileage: 60,000-120,000 miles (Note: L663 models feature revised, more robust tensioners than pre-2013 models, but wear remains a watch point at high mileage).

Root cause

Over time, the timing chain tensioners can lose pressure, leading to chain stretch and a characteristic rattling noise on cold starts. If ignored, this can lead to catastrophic valve-to-piston contact.

Repair options

Repair tier	Dealer price	Specialist price
Timing Chain & Tensioner Replacement	£3,500-£5,500	£2,500-£4,500
Full Replacement - rebuilt/reconditioned engine	£9,500-£14,000	£8,000-£12,000 [ESTIMATED - using Jaguar AJ133/508PN as proxy]

Our recommendation

Do not ignore a cold-start rattle in your Land Rover Defender 110 Works V8. While the L663 generation is significantly more robust than earlier iterations of this engine, a timely timing chain and tensioner replacement by a specialist is a well-documented, cost-effective fix that preserves the engine's longevity without requiring a full replacement.

-> Compare rebuilt P525 / AJ133 Land Rover Defender 110 Works V8 engine prices

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 Land Rover Defender 110 Works V8 Engine Replacement Prices Now ->

FAQ

Land Rover Defender 110 Works V8 Engine ReplacementFrequently Asked Questions

Everything Land Rover Defender 110 Works V8 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

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.

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.

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.

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.

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.

Why Choose Us

Compare Land Rover Defender 110 Works V8 Engine Prices Today

Comparing quotes is completely free and carries no obligation. By entering your registration, you ensure that every quote you receive is precisely matched to your Land Rover Defender 110 Works V8 and its specific P525/AJ133 engine code, connecting you directly with vetted UK specialists who understand high-performance 4x4s and can deliver reliable, warrantied solutions.

50+50+ Land Rover Defender 110 Works V8 engines supplied through our network

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Compare quotes from trusted UK Land Rover Defender 110 Works V8 engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.