How much does a Land Rover Defender P300 engine replacement cost in the UK?

A reconditioned P300 engine typically costs £3,000–£5,000 supply only. Fitting adds £700–£1,100 depending on the specialist. Used engines can be found from £1,500–£2,800, but condition and warranty vary. Use our calculator for a figure specific to your Defender.

Is the Land Rover Defender P300 engine reliable?

Generally, yes — the 204PT petrol Ingenium is considered more reliable than its diesel counterpart. There's no timing chain tensioner catastrophe. The main issues are cooling system-related: water pump failure and coolant leaks. With proper maintenance, it's a robust and refined engine for the modern Defender.

What are the common problems with the Land Rover Defender P300?

The most common issues are water pump failure (plastic impeller and seal degradation), coolant leaks from plastic hoses and thermostat housings, and occasional high-pressure fuel pump wear. None are catastrophic if caught early — regular coolant system inspections are key.

Is it worth replacing a Defender P300 engine, or should I scrap the vehicle?

Given the high retained value of the L663 Defender (typical £30,000+ for a good example), a £4,000–£5,000 engine replacement is comfortably within the worth it range. Our Land Rover scrap threshold is 60% of vehicle value — with a £4,000 engine cost against a £30,000 vehicle, it's a clear yes.

How do I find my Land Rover Defender P300 engine code?

The engine code is 204PT, found on the VIN plate and in the vehicle documentation. It's the 2.0-litre turbocharged petrol Ingenium engine. If you're unsure, enter your registration on our site and we'll confirm it for free.

Can I repair a P300 water pump, or does it need replacement?

The pump must be replaced — it's a sealed unit with plastic impellers that degrade. A preventative replacement at 60,000 miles or at the first sign of leakage costs £400–£800. Ignoring it can lead to overheating and head gasket failure, which is far more expensive.

Land Rover Defender P3002020–present1 Engine Generation

Land Rover Defender P300 Engine Replacement — Compare Prices & Get Quotes

Name: Land Rover Defender P300 UK Engine Enquiry Data 2025
Creator: LandRoverEngine.uk

Get quotes today from trusted UK Land Rover P300 specialists. Compare reconditioned, rebuilt and used 2.0-litre Ingenium petrol engines — supply & fit available nationwide.

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Land Rover Defender P300 Engines — from £1,500 to £6,500Engine code: 204PT

Land Rover Defender P300 Engines — from £1,500 to £6,500· Engine code: 204PT

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

The P300 THROUGH TIME — Era Map

Four generations. Four eras. One guide to reliability, costs and what really matters.

Era Note

More reliable than diesel Ingenium — water pump is the primary weak point

GenerationYearsEngine CodeReliabilityRecon CostEra Note

L663 Defender BMW 320d L663 Defender

2020–present204PT (Ingenium 2.0 petrol)★★★★☆ [NEWLY ASSIGNED — see Data Note]£3,000–£5,000 [PLACEHOLDER — confirm vs cost sheet]More reliable than diesel Ingenium — water pump is the primary weak point

Why use this era map?

Every cost guide, reliability rating and engine code on this page is aligned to the data above. This keeps everything consistent and trustworthy.

Real UK Cost Data

Verified Reliability

Expert Insights

Updated for 2025

Land Rover Defender P300 Engine Replacement Costs

Supply Only£3,000–£5,000

Fitted (Indie)£3,800–£6,100

Warranty12–24 months

Best ForMost owners — best cost/warranty balance

Engine TypeSupply OnlyFitted (Indie)WarrantyBest For

Used Engine£1,500–£2,800£2,250–£3,9001–6 monthsBudget priority; vehicle under £12,000

Reconditioned Engine£3,000–£5,000£3,800–£6,10012–24 monthsMost owners — best cost/warranty balance

Rebuilt Engine£4,200–£6,500£5,000–£7,50012–24 monthsLong-term ownership; 3+ year horizon

Main Dealer New£8,000–£12,000£9,500–£14,00024–36 monthsInsurance jobs, warranty claims

Figures above reflect the current L663 Defender P300 generation. This badge spans only one engine era — see the Era Map above.

Labour estimate: Fitting a Defender P300 engine typically takes 10–14 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer).

→ Compare P300 engine prices from UK specialists

Common Problems

1. Water Pump Failure

2. Coolant Leaks (Plastic Fittings & Thermostat Housing)

3. High-Pressure Fuel Pump (HPFP) Wear

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12 vetted Land Rover specialists, every P300 variant covered, with a 12-month warranty as standard.

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Defender P300 — Repair, Buy, or Replace?

Every 320d has a story. Make the right call with clear data, real-world costs, and honest guidance from UK specialists.

Defender P300 — Repair, Buy, or Replace?

Every 320d has a story. Make the right call with clear data, real-world costs, and honest guidance from UK specialists.

Can It Be Repaired?

ProblemRepairable?Typical CostWhen It Makes SenseWater pump failure✅ Yes£400–£800Catch it early — straightforward replacementCoolant leak (hoses/thermostat)✅ Yes£200–£500Simple parts; cheap to fixHPFP wear✅ Yes£800–£1,500Replace pump; no other damage if caught earlyHead gasket (from severe overheating)✅ Yes£1,500–£3,000Worth it on a £30k+ Defender if the rest is soundSevere overheating with block damage❌ Usually NoEngine replacementReplacement cost may be justified only on high-value examples

Buying This P300? Check These First

Buy If

Full JLR service history with documented coolant system inspections
No signs of coolant loss or overheating (check coolant reservoir level)
Water pump replaced as preventative at 60k+ miles
A 2020–present L663 Defender — the modern platform with the robust petrol Ingenium

Avoid If

Unexplained coolant loss with no visible leak — could indicate early water pump or head gasket issues
Overheating history or low coolant level — risk of engine damage
Hard starting or rough idle — may indicate HPFP or injector problems
Dealer-serviced but with no records of coolant system work — assume it's overdue

Closing Verdict

The P300 is the petrol alternative to the diesel Ingenium in the L663 Defender. It's generally more reliable than the diesel — no timing chain catastrophe — but the cooling system requires vigilance. Water pump and coolant leaks are the main issues; catch them early and the 204PT is a strong, refined engine for the modern Defender.

Don't guess.Get the right engine at the right price.

→ Compare P300 engine prices before you buy

Don't Guess. Compare.

Get real quotes from vetted UK specialists and make the right call for your 320d.

→ Compare P300 engine prices before you buy

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Buying Checklist

Before you buy a used Land Rover Defender P300 (or before you commit to an engine replacement), check these:

Cold Start — Listen for smooth idle; any hesitation or rough running points to injector or fuel pump issues

Service History — Including coolant system inspections and fuel filter changes — see the map above

Coolant Level — Check reservoir when cold; any low or loss is a red flag

Water Pump — Listen for whining noise; check for coolant residue near the pump area

Turbo Boost — Test acceleration; any lack of power or hesitation?

Oil Condition — Check for fuel smell (HPFP wear) or coolant contamination

Engine Warning Light — Have codes read; unresolved issues may indicate HPFP or sensor problems

MOT History — Check for emissions-related failures (though petrol is generally clean)

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common 320d pitfalls.

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common 320d pitfalls.

Engine Codes

This table's rows match Section 1B's Era Map exactly.

204PT (Ingenium 2.0 petrol)

Years2020–present

Power296 bhp @ 5,500rpm

2025 Enquiries480 [EM-VERIFIED]

Avg. Recon Cost£3,000–£5,000 [PLACEHOLDER]

Engine CodeYearsPower2025 EnquiriesAvg. Recon Cost

204PT (Ingenium 2.0 petrol)2020–present296 bhp @ 5,500rpm480 [EM-VERIFIED]£3,000–£5,000 [PLACEHOLDER]

Technical Specs

204PT

Displacement1,997cc (2.0L)

Cylinders4-cylinder inline, aluminium block

Compression Ratio10.5:1

Fuel SystemDirect injection (250 bar), turbocharged and intercooled

Torque400 Nm @ 1,500–4,500 rpm

→ Compare P300 engine prices for your Defender

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Market Intelligence

Most Common Failure

Water pump failure and coolant system leaks — most frequent P300 enquiries

Average Enquiry Mileage

65,000

–85,000 miles

[PATTERN DATA]

Average Replacement Cost

£4,000

reconditioned, supply only

[PLACEHOLDER]

Most Requested Engine Code

204

[EM-VERIFIED — 480 requests]

Peak Enquiry Season

Autumn/Winter — cooling system failures emerge in colder months

[PATTERN DATA]

Regional Demand

South East20%

Midlands17%

South West15%

PATTERN DATA

Regional Demand Breakdown

20%South East

FAQ

All prices are indicative UK market ranges based on historical quote data from our network of engine specialists. Actual costs vary by variant, engine condition, damage severity and workshop location. Use our free comparison tool to get tailored quotes. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty — always confirm terms with your chosen supplier.

Why UK Land Rover Defender P300 Owners Trust LandRoverEngine.uk

Trusted P300 Engine Suppliers
every garage and engine rebuilder in our network is vetted, rated and reviewed by real Defender P300 owners, as part of the Engine Finders network, covering the modern Ingenium petrol and every Defender engine from the classic Tdi to the latest L663.
Compare P300 Engine Replacement Companies
see prices, warranty terms and supply & fit options side-by-side before you commit. We cover the 204PT specifically, with specialists who know the Ingenium petrol platform inside out.
UK Engine Replacement Services for P300
supply-only or full supply & fit available nationwide, covering the 2.0-litre turbocharged Ingenium, with a 12-month warranty as standard across our network.

Find the best Land Rover Defender P300 engine replacement UK owners rely on. Compare prices from trusted specialists on EnginesMarket today and get your Defender back on the road with confidence.

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100% Free

No hidden fees

No Obligation

Get quotes with zero pressure

UK Specialists

20+ vetted experts

12-Month Warranty

As standard

Nationwide Delivery

Supply & fit available