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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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Peugeot 405 Engine ReplacementCompare Prices & Save
Get quotes today from trusted UK Peugeot 405 engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available nationwide.
405 1.9 Diesel Engines - from £850 to £2,400
-> Rebuilt units from £850 · Common codes: XUD9, XUD9TE, XUD9A, DJY
405 Petrol Engines - from £750 to £2,100
-> Rebuilt units from £750 · Common codes: XU5, XU7, XU9, LFZ
405 Mi16 Engines - from £2,200 to £4,800
-> Rebuilt units from £2,200 · Common codes: XU9J4, XU9J2, XU10J4
🔒 Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Peugeot 405 specialists.
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How It Works
3 Simple Stepsto Finding the Best Peugeot 405 Replacement Engine
Get Instant Quotes from Peugeot Engine Specialists Across the UK - 100% free, no obligation. Most Peugeot engine replacements completed within 3-5 days.
Most replacements completed within 3-5 days.
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Live UK Engine Market Data
What Are UK Drivers Paying for Peugeot 405 Engine Replacement?
The table below shows typical UK rebuilt engine costs across Peugeot 405 variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.
Average Market Prices
- Peugeot 405 (MK1) 1.6 GL Petrol1987-1992£750-£1,400Head gasket failureXU5Petrol 1.6L
- Peugeot 405 (MK1) 1.9 Mi161988-1992£2,200-£4,200Valve seal wearXU9J4Petrol 1.9L
- Peugeot 405 (MK2) 1.9 TD SRDT1992-1995£950-£1,850Turbo oil seal leakXUD9TEDiesel 1.9L
- Peugeot 405 (MK2) 1.8 SR Petrol1992-1995£800-£1,550Timing belt snappedXU7Petrol 1.8L
- Peugeot 405 (MK2) 1.4 GL Estate1992-1997£700-£1,300Valve stem seal failureTU3Petrol 1.4L
- Peugeot 405 (MK2) 1.9 GLX Diesel1995-1997£1,050-£2,100EGR valve cloggingXUD9ADiesel 1.9L
- Peugeot 405 (MK2) 1.6 GR Petrol1995-1997£850-£1,600Oil leak crank sealXU5MPetrol 1.6L
- Peugeot 405 (MK1) 1.9 GL Diesel1987-1992£850-£1,650Injection pump failureXUD9Diesel 1.9L
Last updated: 31 May, 08:53
Customer Reviews
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Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Peugeot 405 engines through EngineMarket.
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“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
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“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
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Models We Cover
Peugeot 405 Engine ReplacementAll Variants Covered
Core Diesel Range
Specs69hp
Years1987-1992
Rebuilt£850-£1,650
Core Petrol Range
Performance & Specialist Range
Variant Directory
All Peugeot 405 Variants - Engine Replacement Coverage
A full alphabetical listing of every Peugeot 405 trim covered by our network. All entries link to a dedicated variant page, where prices are further broken down by engine code, model year, and condition type. Click a live link to compare quotes.
Diesel Variants
GL 1.9 DGLX 1.9 DSRDT 1.9 TDEstate 1.9 DEstate 1.9 TD4x4 Dangel 1.9 D
Petrol Variants
GL 1.4GL 1.6GLX 1.6GR 1.6SR 1.8STI 1.9Estate 1.4Estate 1.6Estate 1.8
Performance Variants
Mi16 1.9 16vGTI 1.9 8v
Engine Codes
Peugeot 405 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Peugeot 405 across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Diesel Engines
Extracted from detailed diesel engine families across Peugeot 405 variants.
Petrol Engines
Extracted from detailed petrol and performance engine families across Peugeot 405 variants.
Can't find your engine code?
Can't find your engine code? Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Peugeot 405 engine specialists. Every rebuilt engine comes with a Peugeotmum 12‑month unlimited mileage warranty.
Common Problems
Peugeot 405 Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
1. Peugeot 405 Head Gasket Failure
Why XU Petrol Engines Fail Prematurely
Affected Models
Peugeot 405 GL 1.6, SR 1.8, STI 1.9, Mi16 (1987-1997, XU5/XU7/XU9/XU9J4)
Typical Failure Mileage
90,000-140,000 miles
Root Cause
The XU engine's aluminium cylinder head expands differently to the cast-iron block under heat, stressing the head gasket; overheating from coolant leaks or failed thermostats accelerates failure.
Repair Options & Estimated Costs (UK ranges)
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Preventative Gasket Refresh Minor | £450 - £750 | £320 - £550 | Replace head gasket, reseal covers, flush cooling system | Viable only if caught early before warpage; not suitable if block/head damaged |
Intermediate - Cylinder Head Recondition Intermediate | £850 - £1,400 | £600 - £950 | Remove head, machine surface, replace valves/guides, new gasket set | Good for moderate damage; requires specialist machining; 40-60k mile expectancy |
Full Replacement - Rebuilt / Reconditioned Engine Best Value | £1,800 - £3,200 | £750 - £2,100 | Supply & fit rebuilt engine with upgraded gaskets, bench-tested, 12-month warranty | Best value for high-mileage or severely damaged units; like-new reliability |
Our Recommendation
Best next step for peugeot 405 head gasket failure
On a Peugeot 405 worth £1,500-£4,000, a full rebuilt engine often represents better long-term value than repeated head gasket repairs. We recommend replacement if the block shows signs of warpage or if the car has exceeded 120k miles.
Don't Let Engine Failure Write Off Your Peugeot 405
From head gasket leaks to injection pump wear, the Peugeot 405's common engine failures are well-documented and solvable. EngineMarket makes it simple to compare prices from trusted UK Peugeot 405 specialists for rebuilt, reconditioned, or used engines. Every unit includes upgraded components addressing the original failure point, bench testing, and a Peugeotmum 12‑month unlimited mileage warranty. Get back on the road without the main dealer premium.
Compare Peugeot 405 Engine Replacement Prices Now →Peugeot 405 Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Affected Models
Peugeot 405 GL 1.6, SR 1.8, STI 1.9, Mi16 (1987-1997, XU5/XU7/XU9/XU9J4)
Typical Failure Mileage
90,000-140,000 miles
Root Cause
The XU engine's aluminium cylinder head expands differently to the cast-iron block under heat, stressing the head gasket; overheating from coolant leaks or failed thermostats accelerates failure.
Minor - Preventative Gasket Refresh
Dealer
£450 - £750
Specialist
£320 - £550
Replace head gasket, reseal covers, flush cooling system
Viable only if caught early before warpage; not suitable if block/head damaged
Intermediate - Cylinder Head Recondition
Dealer
£850 - £1,400
Specialist
£600 - £950
Remove head, machine surface, replace valves/guides, new gasket set
Good for moderate damage; requires specialist machining; 40-60k mile expectancy
Full Replacement - Rebuilt / Reconditioned Engine
Dealer
£1,800 - £3,200
Specialist
£750 - £2,100
Supply & fit rebuilt engine with upgraded gaskets, bench-tested, 12-month warranty
Best value for high-mileage or severely damaged units; like-new reliability
Our Recommendation
Best next step for peugeot 405 head gasket failure
On a Peugeot 405 worth £1,500-£4,000, a full rebuilt engine often represents better long-term value than repeated head gasket repairs. We recommend replacement if the block shows signs of warpage or if the car has exceeded 120k miles.
Don't Let Engine Failure Write Off Your Peugeot 405
From head gasket leaks to injection pump wear, the Peugeot 405's common engine failures are well-documented and solvable. EngineMarket makes it simple to compare prices from trusted UK Peugeot 405 specialists for rebuilt, reconditioned, or used engines. Every unit includes upgraded components addressing the original failure point, bench testing, and a Peugeotmum 12‑month unlimited mileage warranty. Get back on the road without the main dealer premium.
Compare Peugeot 405 Engine Replacement Prices Now →Disclaimer: 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 EngineMarket'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 Peugeot 405 and engine code. Every engine supplied through EngineMarket carries a Peugeotmum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
12-Month Warranty
Upgraded Components
Nationwide UK Delivery
Save vs Main Dealer Price
Replacement Engine Options
Peugeot 405 Engine TypesOptions, Costs & What to Expect
Every Peugeot 405 engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
All engine types include a Peugeotmum 12‑month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Peugeot 405 within hours.
Engine Sizes
Peugeot 405 Engines by SizeFind the Right Displacement for Your Variant
Peugeot 405 Diesel Engine Sizes
The 1.9L XUD diesel was the backbone of the 405 range, fitted to GL, SRDT and GLX variants across both MK1 and MK2 generations. Known for robust construction but vulnerable to injection pump wear and head gasket issues on high-mileage examples.
| Engine Code(s) | XUD9, XUD9TE, XUD9A, DJY |
| Compatible Models (UK) | GL 1.9 D (1987-1992), SRDT 1.9 TD (1992-1997), GLX 1.9 D (1995-1997), Estate variants |
Common Failure Points
Watch for these known weak points
Injection pump wear, head gasket failure, turbo oil seal leak (XUD9TE)
Not sure which engine size your Peugeot 405 needs? Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a Peugeotmum 12‑month unlimited mileage warranty from UK Peugeot 405 specialists.
Fuel Type
Peugeot 405 Engines by Fuel Type
Peugeot 405 Diesel Engines
Peugeot 405 Diesel Engines
The XUD 1.9L diesel powered most UK 405s, offering strong economy and torque but requiring attention to injection pump maintenance and head gasket health.
Common Peugeot 405 Diesel Engine Families
XUD9 - most common replacement engine (GL/SRDT), injection pump wear risk
XUD9TE - turbo variant for SRDT, watch for turbo oil seal leaks
XUD9A - late-production update, similar reliability profile to XUD9
Found In
MK1 Saloon/Estate (1987-1992) - XUD9 naturally aspirated
MK2 Saloon/Estate (1992-1997) - XUD9TE turbo, XUD9A updated NA
Known For
Strong motorway fuel economy (45-55 mpg achievable)
Injection pump failure between 120k-200k miles if not maintained
High UK replacement demand on high-mileage GL and SRDT variants
Typical Diesel Models
GL 1.9 D
SRDT 1.9 TD
GLX 1.9 D
Estate 1.9 D/TD
4x4 Dangel 1.9 D
Not sure which fuel type your Peugeot 405 has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a Peugeotmum 12‑month unlimited mileage warranty from UK Peugeot 405 specialists.
Engine Years
Peugeot 405 Engines by YearWhat Was Fitted & When
This timeline covers all major engine changes across the Peugeot 405's 1987-1997 UK production, organised so owners can quickly identify their engine and compare rebuilt prices from UK specialists.
1987 - 1992 - MK1 Launch: XU Petrol & XUD Diesel Debut
Major Engine Changes4 engine highlights
The original 405 launched with carburetted XU petrol and indirect-injection XUD diesel engines, establishing the reliability profile that would define replacement demand for a decade.
Key Changes
MK1 saloon launched with GL, SR, STI and Mi16 trims
XU5 (1.6L), XU9 (1.9L) petrol and XUD9 (1.9L) diesel introduced
Mi16 variant debuts with high-performance XU9J4 16v engine
Known For
Robust XUD diesel block but injection pump wear on high mileage
XU petrol head gasket vulnerability if cooling system neglected
Mi16's complex 16v engine commands premium rebuild costs
Main Engines
XU5 - 1.6L petrol (GL 1.6, SR 1.6)
XU9 - 1.9L petrol (STI 1.9)
XU9J4 - 1.9L petrol 16v (Mi16)
XUD9 - 1.9L diesel (GL 1.9 D)
Popular Models
Peugeot GL 1.6
Peugeot SR 1.6
Peugeot STI 1.9
Peugeot Mi16 1.9 16v
Peugeot GL 1.9 D
Engine Codes Covered
XU5XU9XU9J4XUD9
Common Replacement Enquiries
Peugeot 405 Mi16 engine replacement
Peugeot 405 XUD9 injection pump failure
Peugeot 405 XU head gasket cost
Get quotes for 1987-1992 Peugeot 405 replacement engines
1987 - 1992 - MK1 Launch: XU Petrol & XUD Diesel Debut
Major Engine Changes4 engine highlights
The original 405 launched with carburetted XU petrol and indirect-injection XUD diesel engines, establishing the reliability profile that would define replacement demand for a decade.
Key Changes
MK1 saloon launched with GL, SR, STI and Mi16 trims
XU5 (1.6L), XU9 (1.9L) petrol and XUD9 (1.9L) diesel introduced
Mi16 variant debuts with high-performance XU9J4 16v engine
Known For
Robust XUD diesel block but injection pump wear on high mileage
XU petrol head gasket vulnerability if cooling system neglected
Mi16's complex 16v engine commands premium rebuild costs
Main Engines
XU5 - 1.6L petrol (GL 1.6, SR 1.6)
XU9 - 1.9L petrol (STI 1.9)
XU9J4 - 1.9L petrol 16v (Mi16)
XUD9 - 1.9L diesel (GL 1.9 D)
Engine Codes Covered
XU5XU9XU9J4XUD9
Popular Models
Peugeot GL 1.6
Peugeot SR 1.6
Peugeot STI 1.9
Peugeot Mi16 1.9 16v
Peugeot GL 1.9 D
Common Replacement Enquiries
Peugeot 405 Mi16 engine replacement
Peugeot 405 XUD9 injection pump failure
Peugeot 405 XU head gasket cost
Get quotes for 1987-1992 Peugeot 405 replacement engines
Year Finder
Not sure which year your Peugeot 405 was built?
Not sure which year your Peugeot 405 was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a Peugeotmum 12‑month warranty from UK Peugeot 405 specialists.
FAQ
Peugeot 405 Engine ReplacementFrequently Asked Questions
Question 1
How much does a Peugeot 405 engine replacement cost in the UK?
A rebuilt Peugeot 405 engine typically costs £750-£2,400 supply-only, depending on variant and engine code. Supply & fit adds £450-£850 labour. Mi16 and turbo diesel units command premium pricing.
Key points
- • XUD9 diesel rebuilt: £850-£1,850 supply-only
- • XU petrol rebuilt: £750-£2,100 depending on size
- • Mi16 XU9J4 rebuilt: £2,200-£4,200 due to complexity
- • Supply & fit labour typically adds £450-£850
Question 2
What is the most reliable Peugeot 405 engine?
The XUD9 1.9L diesel is widely regarded as the most robust Peugeot 405 engine when maintained, though injection pump wear is common on high-mileage examples. Petrol XU engines are smooth but more prone to head gasket issues.
Key points
- • XUD9 diesel: robust block, watch injection pump and head gasket
- • XU petrol: smooth but strict timing belt/cooling maintenance essential
- • Mi16 XU9J4: high-performance but complex, costly to rebuild
- • TU3 1.4L: simple but valve seal wear on high mileage
Question 3
What causes Peugeot 405 head gasket failure?
Peugeot 405 XU petrol engines suffer head gasket failure due to aluminium head/cast-iron block expansion differences under heat; overheating from coolant leaks or failed thermostats accelerates the issue.
Key points
- • XU engines: aluminium head expands differently to cast-iron block
- • Overheating from coolant leaks, failed thermostat or water pump
- • Symptoms: white smoke, coolant loss, oil contamination
- • Prevention: replace timing belt/water pump every 48k miles
Question 4
Is it worth replacing a Peugeot 405 engine?
Yes, if the car is otherwise sound and you plan to keep it. A rebuilt Peugeot 405 engine (£750-£2,400) often costs less than the car's value and restores reliability for years of further use.
Key points
- • Rebuilt engine cost: £750-£2,400 vs car value £1,500-£4,000
- • XUD diesel engines especially worth rebuilding for high-mileage users
- • Mi16 enthusiasts often invest in premium rebuilds for performance retention
- • Consider supply & fit cost (£450-£850) if lacking workshop facilities
Question 5
What engine codes fit the Peugeot 405?
Key Peugeot 405 engine codes include XUD9/XUD9TE (1.9L diesel), XU5/XU7/XU9 (1.6-1.9L petrol), XU9J4 (Mi16 16v), and TU3 (1.4L petrol). Always verify your exact code via DVLA lookup before ordering.
Key points
- • Diesel: XUD9, XUD9TE, XUD9A, DJY
- • Petrol: XU5, XU5M, XU7, XU9, XU9J2, XU9J4, TU3
- • Mi16 exclusive: XU9J4 16v
- • Use registration lookup to confirm exact code for your variant
Question 6
How long does a Peugeot 405 engine replacement take?
Supply-only engine delivery typically takes 3-5 working days from UK specialists. Supply & fit installation adds 1-2 days labour, depending on garage workload and variant complexity.
Key points
- • Engine sourcing: 3-5 working days typical for common codes
- • XUD9/XU7 widely available; Mi16 XU9J4 may require longer lead time
- • Installation: 1-2 days labour for experienced Peugeot specialists
- • Allow extra time for ancillary parts (belts, hoses, mounts) if needed
Question 7
Can I fit a different engine in my Peugeot 405?
While engine swaps are technically possible, we recommend sticking to factory-fitted codes (XUD, XU, TU) for the Peugeot 405 to ensure compatibility with electronics, mounts and emissions compliance.
Key points
- • Stick to factory codes: XUD9, XU7, XU9J4 etc. for plug-and-play fitment
- • Cross-model swaps (e.g., 306 engine) require custom mounts/wiring
- • Emissions and MOT compliance may be affected by non-standard swaps
- • Our network supplies only verified compatible engines for your variant
Question 8
What warranty comes with a replacement Peugeot 405 engine?
Every rebuilt or reconditioned Peugeot 405 engine supplied through EngineMarket includes a Peugeotmum 12‑month unlimited mileage warranty. Used engines typically carry shorter 30-90 day breaker warranties.
Key points
- • Rebuilt/recon engines: Peugeotmum 12-month unlimited mileage warranty
- • Used engines: typically 30-90 days from breaker; confirm terms
- • Warranty covers manufacturing defects, not installation errors
- • Always request written warranty documentation before purchase
Question 9
Do you offer Peugeot 405 engine supply and fit?
Yes, EngineMarket connects you with 100+ vetted UK garages offering Peugeot 405 engine supply & fit services. Compare itemised quotes including engine, labour, fluids and warranty before booking.
Key points
- • 100+ vetted UK garages in our supply & fit network
- • Quotes include engine, labour, fluids, belts and road test
- • Labour typically £450-£850 depending on variant and location
- • All supply & fit jobs include warranty registration and documentation
Question 10
How do I find my Peugeot 405 engine code?
Your Peugeot 405 engine code is stamped on the engine block (visible near the gearbox or on a sticker in the engine bay) and can be instantly verified via DVLA lookup using your registration number on our platform.
Key points
- • Engine code stamped on block: near gearbox or on timing cover
- • Also on vehicle sticker: engine bay or driver's door shut
- • Common codes: XUD9 (diesel), XU7 (1.8L petrol), XU9J4 (Mi16)
- • Use our free DVLA registration lookup for instant verification
Why Choose Us
Why UK Peugeot 405 Owners Trust EngineMarket
Find the best Peugeot 405 engine replacement near you
Compare engine prices for Peugeot 405 in the UK and get competitive quotes from garages near you.
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Warranty-backed rebuilt & used options
Every quote checked for fitment, quality and lead time.