How much does a Range Rover Velar P400 engine replacement cost-

A reconditioned or rebuilt Range Rover Velar P400 engine typically costs between £6,500 and £13,000 for the supply-only unit, depending on the level of rebuild and specialist documentation provided. - Rebuilt units include upgraded cooling components and supercharger coupler checks. - Supply and fit packages are available through our premium specialist network.

What are the signs of supercharger or cooling failure in a Range Rover Velar P400-

Early detection is critical to preventing catastrophic damage to your Range Rover Velar P400 engine. - Look for unexplained coolant loss, sudden overheating warnings, or a distinct rattling noise from the supercharger at idle. - Sweet-smelling exhaust smoke or oil contamination are also strong indicators of internal failure.

Is it worth replacing the engine in a high-value Range Rover Velar P400-

Yes, given the strong retained values of the Velar P400, replacing the engine is a highly sound financial decision. - A typical 2019-2024 model is valued between £25,000 and £45,000+, making a £7,500-£13,000 rebuild a small percentage of the vehicle's worth. - A rebuilt engine with a 12-month warranty adds reliability and protects your premium asset.

How long does a Range Rover Velar P400 engine supply and fit take-

A straightforward supply and fit replacement for a Range Rover Velar P400 typically takes 4 to 6 days at a premium specialist workshop. - This allows time for the engine to be delivered, mounted, and thoroughly calibrated and tested. - Complex cases requiring additional cooling system or supercharger upgrades may take slightly longer.

Can I upgrade my Range Rover Velar to a P400 engine-

While the Velar chassis was designed with multiple powertrain options, a retrofit is not straightforward. - The P400 3.0L supercharged engine requires extensive ECU mapping, bespoke wiring harnesses, and upgraded cooling systems to function correctly and pass MOT. - We strongly recommend sticking to a like-for-like replacement to ensure guaranteed compatibility, reliability, and warranty coverage.

Range Rover Velar P400 Specialists

Range Rover Velar P400 Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Range Rover Velar P400 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best value for your high-performance 4x4.

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12-Month Warranty

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👑 Premium V6 Specialists

Range Rover Velar P400 Engine

from£7,500 to £13,00...

Usedfrom £4,500
Reconditionedfrom £6,500
Common codesAJ126, AJ133

Range Rover velar P400 Used Engine — AJ126 / AJ133

Range Rover velarUsed Engine — AJ126 / AJ133

Range Rover velar P400 Reconditioned Engine — AJ126 / AJ133

Range Rover velarReconditioned Engine — AJ126 / AJ133

Range Rover velar P400 Rebuilt Engine — AJ126 / AJ133

Range Rover velarRebuilt Engine — AJ126 / AJ133

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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

Range Rover Velar P400 Engine History & Specs at a Glance

The P400 badge on the Range Rover Velar represents the pinnacle of the supercharged V6 era, offering a seamless blend of 400hp performance and refined luxury before the model line consolidated around four-cylinder Ingenium and PHEV powertrains.

2019
AJ126 / AJ133 (2995cc), 400hp, launched as the top-tier petrol option for the Velar, featuring a twin-scroll turbocharger and electric supercharger for instant throttle response and refined power delivery.
2020
2024 - Continued availability in high-spec trims (e.g., HSE, First Edition) before the range shifted focus towards the P400e PHEV and D300/D350 mild-hybrid variants, cementing the P400 as a highly sought-after performance variant.

Every engine fitted to the Range Rover Velar P400 is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Range Rover Velar P400 Engine Codes Specifications & Replacement Cost

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

AJ126 / AJ133 — 3.0L Supercharged Petrol (2019-2024)

Power Output: 400hp
Years Fitted: 2019-2024

Can’t find your exact engine code?-> Get quotes for AJ126 / AJ133 Range Rover Velar P400 engine replacement

-> Get quotes for AJ126 / AJ133 Range Rover Velar P400 engine replacement

Common failure points and repair options

Supercharger Coupler Wear & Coolant Leaks

Affected: Range Rover Velar P400 (AJ126 / AJ133, 2019-2024)
Typical failure mileage: 60,000-90,000 miles

Root cause

The supercharger isolator coupler degrades over time, causing a distinct rattling noise at idle. Additionally, plastic coolant crossover pipes can become brittle and leak under high under-bonnet temperatures, risking overheating.

Repair options

Repair tier	Dealer price	Specialist price
Minor/Preventative	£2,500-£4,000	£1,500-£2,500
Full Replacement - rebuilt/reconditioned engine	£10,000-£15,000	£7,500-£13,000

Our recommendation

If your Velar P400 exhibits early supercharger rattle or minor coolant leaks, preventative specialist repair is highly cost-effective. However, if the engine has suffered overheating damage, HPFP failure leading to internal damage, or severe timing chain stretch, a full reconditioned replacement is the most reliable long-term solution.

High-Pressure Fuel Pump (HPFP) & Timing Chain Wear

Affected: Range Rover Velar P400 (AJ126 / AJ133, 2019-2024)
Typical failure mileage: 70,000+ miles

Root cause

The HPFP can fail, leading to hard starting or misfires. Timing chain tensioners can also wear under high-stress performance driving, causing a cold-start rattle that risks chain skip.

Repair options

Repair tier	Dealer price	Specialist price
Minor/Preventative	£2,000-£3,500	£1,200-£2,500
Full Replacement - rebuilt/reconditioned engine	£10,000-£15,000	£7,500-£13,000

Our recommendation

-> Compare rebuilt AJ126 / AJ133 Range Rover Velar P400 engine prices

Don't Let Engine Failure Write Off Your Range Rover Velar P400

Protect your high-performance investment with a rebuilt engine that features upgraded cooling components and a comprehensive 12-month unlimited-mileage warranty. By comparing quotes from our vetted UK specialist network, you avoid main dealer premiums while securing nationwide supply and fit options tailored to your exact Range Rover Velar P400.

Compare Range Rover Velar P400 Engine Replacement Prices Now ->

FAQ

Range Rover Velar P400 Engine ReplacementFrequently Asked Questions

Everything Range Rover Velar P400 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

A reconditioned or rebuilt Range Rover Velar P400 engine typically costs between £6,500 and £13,000 for the supply-only unit, depending on the level of rebuild and specialist documentation provided.

Rebuilt units include upgraded cooling components and supercharger coupler checks.
Supply and fit packages are available through our premium specialist network.

-> Compare Range Rover Velar P400 engine replacement prices

While the Velar chassis was designed with multiple powertrain options, a retrofit is not straightforward.

The P400 3.0L supercharged engine requires extensive ECU mapping, bespoke wiring harnesses, and upgraded cooling systems to function correctly and pass MOT.
We strongly recommend sticking to a like-for-like replacement to ensure guaranteed compatibility, reliability, and warranty coverage.

-> Get quotes for a compatible Range Rover Velar P400 engine

Why Choose Us

Compare Range Rover Velar P400 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 Range Rover Velar P400 and its specific AJ126 / AJ133 engine code, connecting you directly with vetted UK premium Land Rover specialists.

100+100+ Premium V6 engines supplied through our network

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Compare quotes from trusted UK Range Rover Velar P400 engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.