How much does a Jaguar F-Type P450 engine replacement cost-

A rebuilt Jaguar F-Type P450 engine typically costs between £7,500 and £10,500 for supply only, while a reconditioned unit ranges from £5,500 to £9,000.

What are the signs of AJ30 engine failure in a Jaguar F-Type P450-

The most common early warning signs are a distinct metallic rattling noise on cold startup from the supercharger area and persistent misfire codes.

Do I need to reprogram the ECU after replacing my Jaguar F-Type P450 engine-

Yes, Jaguar F-Type P450 engine replacement requires Topix diagnostic programming to pair the new ECU with the engine immobiliser and calibration data.

How long does a Jaguar F-Type P450 engine replacement take-

A professional supply and fit service for a Jaguar F-Type P450 typically takes 3 to 5 working days.

Jaguar P450 Specialists

Jaguar F-Type P450 Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Jaguar F-Type P450 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most reliable and cost-effective replacement for your high-performance sports car.

Supply & Fit Available

12-Month Warranty

Nationwide Delivery

100+ Suppliers

Jaguar F-Type P450 Engine

from£7,500 to £10,50...

Usedfrom £3,000
Reconditionedfrom £5,500
Common codesAJ30

Jaguar f-typeUsed Engine — AJ30

Jaguar f-type P450 Reconditioned Engine — AJ30

Jaguar f-typeReconditioned Engine — AJ30

Jaguar f-type P450 Rebuilt Engine — AJ30

Jaguar f-typeRebuilt Engine — AJ30

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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

Jaguar F-Type P450 Engine History & Specs at a Glance

When the Jaguar F-Type P450 launched in 2020 as part of the model's major facelift, it replaced the lower-output V8 options with a refined 450hp iteration of Jaguar’s legendary 5.0L supercharged V8, balancing explosive performance with improved daily drivability.

2020
AJ30 5.0L Supercharged V8 introduced (450hp), featuring revised engine management software, updated supercharger calibration, and refined thermal management for the P450 trim.
2021
2024 - Continued as the core V8 offering alongside the higher-output SVR, with minor software refinements to the variable valve timing and active exhaust systems, culminating in special editions like the 75 Edition.

Every engine fitted to the Jaguar F-Type P450 is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Jaguar F-Type P450 Engine Codes Specifications & Replacement Cost

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

AJ30 — 5.0L Supercharged Petrol (2020-2024)

Power Output: 450hp
Years Fitted: 2020-2024

Can’t find your exact engine code?-> Get quotes for AJ30 Jaguar F-Type P450 engine replacement

-> Get quotes for AJ30 Jaguar F-Type P450 engine replacement

Common Problems

Jaguar F-Type P450 Engine Problems Repair Cost vs Replacement

The Jaguar F-Type P450 reliability landscape is defined by its AJ30 5.0L supercharged V8 architecture. While generally robust and an improvement over earlier iterations, it shares known weak points with the broader AJ133 family. Rebuilt engines supplied through EnginesMarket include upgraded internal components designed to permanently address these original failure points, backed by a minimum 12-month unlimited mileage warranty.

Common failure points and repair options

Supercharger Coupler Degradation & Phaser Rattle

Affected: Jaguar F-Type P450 (AJ30, 2020-2024)
Typical failure mileage: 40,000 - 80,000 miles

Root cause

The factory rubber isolator spring between the Eaton supercharger drive pulley and rotor pack fatigues, while VVT phasers develop play, causing a distinct metallic rattle on cold starts or under load.

Repair options

Repair tier	Dealer price	Specialist price
Minor - Preventative Coupler & Phaser Upgrade	£2,000-£2,800	£1,200-£1,800
Full Replacement - rebuilt/reconditioned engine	£12,000-£16,000	£7,500-£10,500

Our recommendation

If your Jaguar F-Type P450 is exhibiting early cold-start rattle but runs smoothly otherwise, a specialist supercharger coupler and phaser upgrade is the most cost-effective first step. However, if you are experiencing metallic grinding, persistent misfires, or timing faults, a full rebuilt engine with upgraded internals is the only reliable long-term solution to protect your investment.

Inlet Manifold Flap Actuator Failure

Affected: Jaguar F-Type P450 (AJ30, 2020-2024)
Typical failure mileage: 50,000 - 90,000 miles

Root cause

Carbon accumulation and actuator motor wear cause plastic intake flaps to seize or snap off, triggering lean/rich misfire codes, rough idle, and restricted supercharger airflow that stresses internal components.

Repair options

Repair tier	Dealer price	Specialist price
Intermediate - Manifold Clean & Actuator Replacement	£1,800-£2,500	£800-£1,200
Full Replacement - rebuilt/reconditioned engine	£12,000-£16,000	£7,500-£10,500

Our recommendation

-> Compare rebuilt AJ30 Jaguar F-Type P450 engine prices

Don't Let Engine Failure Write Off Your Jaguar F-Type P450

Whether you are dealing with supercharger coupler rattle, VVT phaser wear, or inlet manifold flap failure on your Jaguar F-Type P450, the financial decision between repeated dealership diagnostics and a complete engine replacement is straightforward. EnginesMarket connects you with trusted UK specialists who supply fully rebuilt engines featuring upgraded internal components that permanently address the original design flaws. Every unit comes with a minimum 12-month unlimited mileage warranty, nationwide delivery, and optional supply & fit packages, allowing you to bypass main dealer markups and return to the road with confidence.

Compare Jaguar F-Type P450 Engine Replacement Prices Now ->

FAQ

Jaguar F-Type P450 Engine ReplacementFrequently Asked Questions

Everything Jaguar F-Type P450 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Yes, replacing the engine is highly recommended for the F-Type P450, as the vehicle's current market value (£45,000-£65,000) comfortably absorbs the replacement cost.

A rebuilt engine restores the 450hp performance and reliability that defines the P450 trim.
Opting for a unit with upgraded internal components ensures long-term durability and protects your investment.

-> Assess your Jaguar F-Type P450 repair vs replace options

Why Choose Us

Compare Jaguar F-Type P450 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 Jaguar F-Type P450's specific AJ30 engine code, guaranteeing compatibility and transparent pricing from vetted UK specialists.

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