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Jimmy
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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 406 Engine ReplacementCompare Prices & Save
Get quotes today from trusted UK Peugeot 406 engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available nationwide.
406 2.0 HDi Diesel Engines - from £850 to £2,400
-> Rebuilt units from £850 · Common codes: DW10TD, DW10ATED, RHY, RHW
406 2.0 Petrol Engines - from £750 to £1,950
-> Rebuilt units from £750 · Common codes: XU7JB, XU7JP, EW7J4, RFV
406 3.0 V6 Performance Engines - from £1,800 to £4,200
-> Rebuilt units from £1,800 · Common codes: ES9J4, XFX, XFW, XFZ
🔒 Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Peugeot 406 specialists.
● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|● Instant Quotes · No Obligation · 100% Free · Reconditioned · Rebuilt · Used · Supply & Fit Available · UK-Wide Network|
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How It Works
3 Simple Stepsto Finding the Best Peugeot 406 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 406 Engine Replacement?
The table below shows typical UK rebuilt engine costs across Peugeot 406 variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.
Average Market Prices
- Peugeot 406 (1995-2004) 1.8 Petrol1995-2000£600-£1,450Coil pack misfireXU7JPPetrol 1.8L
- Peugeot 406 (1995-2004) 1.9 D1995-2001£650-£1,350Head gasket failureXUD9BDiesel 1.9L
- Peugeot 406 (1995-2004) 2.0 HDi1999-2004£850-£2,100Turbo oil seal leakDW10TDDiesel 2.0L
- Peugeot 406 (1995-2004) 2.0 Petrol1995-2004£750-£1,850Timing belt damageXU7JBPetrol 2.0L
- Peugeot 406 (1995-2004) 3.0 V61997-2004£1,800-£3,900Oil consumption wearES9J4Petrol 3.0L
- Peugeot 406 (1995-2004) 2.2 HDi2001-2004£1,100-£2,400Injector seal failureDW12TED4Diesel 2.2L
Last updated: 31 May, 08:53
Customer Reviews
Trusted by Peugeot 406 OwnersAcross the UK
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Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Peugeot 406 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 406 Engine ReplacementAll Variants Covered
Core Diesel Range
Specs90-110hp
Years1999-2004
Rebuilt£850-£1,950
Core Petrol Range
Performance & Specialist Range
Variant Directory
All Peugeot 406 Variants - Engine Replacement Coverage
A full alphabetical listing of every Peugeot 406 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
1.9 D2.0 HDi2.2 HDiCourchevel HDiEstate HDiRapier HDiSE HDiSR HDiST HDiSV HDi
Petrol Variants
1.61.82.02.0 16v3.0 V6Coupé V6Executive V6SSESRSportSTSV
Engine Codes
Peugeot 406 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Peugeot 406 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 406 variants.
Petrol Engines
Extracted from detailed petrol and performance engine families across Peugeot 406 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 406 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Common Problems
Peugeot 406 Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
1. XU7 Head Gasket Failure
Why Peugeot 406 2.0 Petrol Engines Overheat
Affected Models
Peugeot 406 S, SR, SE, SV (1995-2000, XU7JB & XU7JP)
Typical Failure Mileage
80,000-120,000 miles
Root Cause
The XU7's cylinder head design is prone to warping under heat stress; combined with ageing gaskets, coolant leaks into cylinders causing overheating and potential block damage.
Repair Options & Estimated Costs (UK ranges)
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Head Gasket Replacement Minor | £850 - £1,400 | £550 - £950 | Remove cylinder head, replace gasket, skim head if needed, refill coolant | Viable only if caught early before block damage; 20k-40k mile extension |
Intermediate - Head Rebuild Intermediate | £1,400 - £2,200 | £900 - £1,500 | Full head rebuild with new valves, guides, seals; pressure test block | Better longevity (40k-60k miles) but still carries XU7 design risk |
Full Replacement - Rebuilt XU7 Engine Best Value | £2,200 - £3,500 | £750 - £1,850 (supply) + £400-£600 fit | Complete rebuilt unit with upgraded gaskets, tested on bench; supply & fit available | Most reliable long-term solution; addresses root design weaknesses |
Our Recommendation
Best next step for xu7 head gasket failure
On a Peugeot 406 worth £800-£2,500, a full rebuilt XU7 engine often represents better value than repeated head gasket repairs. We recommend replacement if the car has exceeded 100k miles or shows signs of coolant/oil mixing.
Don't Let Engine Failure Write Off Your Peugeot 406
From XU7 head gaskets to DW10 turbo seals, the Peugeot 406's common engine failures are well-documented - and often repairable without main dealer premiums. EngineMarket makes it simple to compare prices from trusted UK Peugeot 406 specialists, with every rebuilt engine including upgraded components and a minimum 12-month unlimited mileage warranty. Nationwide delivery and supply & fit options mean you can get back on the road with confidence, not compromise.
Compare Peugeot 406 Engine Replacement Prices Now →Peugeot 406 Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Affected Models
Peugeot 406 S, SR, SE, SV (1995-2000, XU7JB & XU7JP)
Typical Failure Mileage
80,000-120,000 miles
Root Cause
The XU7's cylinder head design is prone to warping under heat stress; combined with ageing gaskets, coolant leaks into cylinders causing overheating and potential block damage.
Minor - Head Gasket Replacement
Dealer
£850 - £1,400
Specialist
£550 - £950
Remove cylinder head, replace gasket, skim head if needed, refill coolant
Viable only if caught early before block damage; 20k-40k mile extension
Intermediate - Head Rebuild
Dealer
£1,400 - £2,200
Specialist
£900 - £1,500
Full head rebuild with new valves, guides, seals; pressure test block
Better longevity (40k-60k miles) but still carries XU7 design risk
Full Replacement - Rebuilt XU7 Engine
Dealer
£2,200 - £3,500
Specialist
£750 - £1,850 (supply) + £400-£600 fit
Complete rebuilt unit with upgraded gaskets, tested on bench; supply & fit available
Most reliable long-term solution; addresses root design weaknesses
Our Recommendation
Best next step for xu7 head gasket failure
On a Peugeot 406 worth £800-£2,500, a full rebuilt XU7 engine often represents better value than repeated head gasket repairs. We recommend replacement if the car has exceeded 100k miles or shows signs of coolant/oil mixing.
Don't Let Engine Failure Write Off Your Peugeot 406
From XU7 head gaskets to DW10 turbo seals, the Peugeot 406's common engine failures are well-documented - and often repairable without main dealer premiums. EngineMarket makes it simple to compare prices from trusted UK Peugeot 406 specialists, with every rebuilt engine including upgraded components and a minimum 12-month unlimited mileage warranty. Nationwide delivery and supply & fit options mean you can get back on the road with confidence, not compromise.
Compare Peugeot 406 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 406 and engine code. Every engine supplied through EngineMarket carries a minimum 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 406 Engine TypesOptions, Costs & What to Expect
Every Peugeot 406 engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
All engine types include a minimum 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 406 within hours.
Engine Sizes
Peugeot 406 Engines by SizeFind the Right Displacement for Your Variant
Peugeot 406 Diesel Engine Sizes
The 1.9L non-turbo diesel powered early 406 base models and estates; a simple, robust unit favoured by high-mileage drivers for its mechanical simplicity and low running costs, though head gasket attention is needed on higher-mileage examples.
| Engine Code(s) | XUD9B, DW8 |
| Compatible Models (UK) | S, SR, ST, Estate base trims |
| Production Years | 1995-2001 |
Common Failure Points
Watch for these known weak points
Head gasket failure on high-mileage units; injector wear; water pump leaks
Not sure which engine size your Peugeot 406 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 minimum 12-month unlimited mileage warranty from UK Peugeot 406 specialists.
Fuel Type
Peugeot 406 Engines by Fuel Type
Peugeot 406 Diesel Engines
Peugeot 406 Diesel Engines
Diesel powered the majority of UK 406 sales; the HDi range (1999-2004) dominates replacement enquiries with strong economy but turbo and injector attention needed on higher-mileage examples.
Common Peugeot 406 Diesel Engine Families
DW10TD - most common HDi (SE/SR/Estate), turbo oil seal leaks at 90k+ miles
DW10ATED - uprated turbo variant (SV/Estate), intercooler hose splits common
DW12TED4 - larger 2.2L HDi (Executive), injector seal failures on high mileage
DW8/XUD9B - early non-turbo 1.9D, robust but head gasket attention needed
Found In
Pre-facelift saloon/estate (1995-2000) - XUD9B, DW8
Facelift saloon/estate (2000-2004) - DW10TD, DW10ATED, DW12TED4
Coupé (1997-2004) - DW10TD (limited diesel Coupé availability)
Known For
Strong motorway fuel economy (45-55 mpg typical)
HDi turbo oil seal leaks between 90k-120k miles
High UK replacement demand on SE/SR/Estate HDi variants
EGR valve clogging on urban-use cars
Typical Diesel Models
SE 2.0 HDi
SR 2.0 HDi
Estate 2.0 HDi
Rapier 2.0 HDi
Courchevel 2.0 HDi
Executive 2.2 HDi
Not sure which fuel type your Peugeot 406 has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Peugeot 406 specialists.
Engine Years
Peugeot 406 Engines by YearWhat Was Fitted & When
This section covers all major engine changes across the Peugeot 406's 1995-2004 UK production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
1995 - 1997 - Launch Generation: XU7 Petrol & XUD9 Diesel
Major Platform Change
The original 406 launched with simple XU7 petrol and robust XUD9 diesel engines, establishing the model's reputation for affordable executive motoring.
Key Changes
Peugeot 406 saloon launched replacing the 405
Initial engines: 1.8L XU7JP, 2.0L XU7JB petrol; 1.9L XUD9B diesel
Estate variant introduced late 1996 with same engine range
Known For
XU7 head gasket weakness emerges on early high-mileage examples
XUD9 diesel praised for mechanical simplicity and reliability
Build quality concerns on early pre-facelift interiors
Strong residual values for executive segment at launch
Main Engines
XU7JP - 1.8L petrol (S, SR base)
XU7JB - 2.0L petrol (S, SR, SE, SV)
XUD9B - 1.9L non-turbo diesel (S, SR, ST, Estate)
Popular Models
Peugeot S 1.8
Peugeot SR 2.0
Peugeot SE 2.0
Peugeot Estate 1.9D
Engine Codes Covered
XU7JPXU7JBXUD9B
Common Replacement Enquiries
Peugeot 406 XU7 head gasket replacement
Peugeot 406 1.9D engine cost
Peugeot 406 timing belt service
Get quotes for 1995-1997 Peugeot 406 replacement engines
1995 - 1997 - Launch Generation: XU7 Petrol & XUD9 Diesel
Major Platform Change
The original 406 launched with simple XU7 petrol and robust XUD9 diesel engines, establishing the model's reputation for affordable executive motoring.
Key Changes
Peugeot 406 saloon launched replacing the 405
Initial engines: 1.8L XU7JP, 2.0L XU7JB petrol; 1.9L XUD9B diesel
Estate variant introduced late 1996 with same engine range
Known For
XU7 head gasket weakness emerges on early high-mileage examples
XUD9 diesel praised for mechanical simplicity and reliability
Build quality concerns on early pre-facelift interiors
Strong residual values for executive segment at launch
Main Engines
XU7JP - 1.8L petrol (S, SR base)
XU7JB - 2.0L petrol (S, SR, SE, SV)
XUD9B - 1.9L non-turbo diesel (S, SR, ST, Estate)
Engine Codes Covered
XU7JPXU7JBXUD9B
Popular Models
Peugeot S 1.8
Peugeot SR 2.0
Peugeot SE 2.0
Peugeot Estate 1.9D
Common Replacement Enquiries
Peugeot 406 XU7 head gasket replacement
Peugeot 406 1.9D engine cost
Peugeot 406 timing belt service
Get quotes for 1995-1997 Peugeot 406 replacement engines
Year Finder
Not sure which year your Peugeot 406 was built?
Not sure which year your Peugeot 406 was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12-month warranty from UK Peugeot 406 specialists.
FAQ
Peugeot 406 Engine ReplacementFrequently Asked Questions
Question 1
How much does a Peugeot 406 engine replacement cost in the UK?
A rebuilt Peugeot 406 engine typically costs £750-£2,400 supply-only, depending on engine code and variant. Supply & fit adds £400-£700 labour. Prices vary by condition type and supplier location.
Key points
- • Rebuilt XU7 petrol: £750-£1,850 supply only
- • Rebuilt DW10 HDi diesel: £850-£2,100 supply only
- • Rebuilt ES9 V6: £1,800-£4,200 supply only
- • Supply & fit labour typically adds £400-£700
Question 2
What is the most reliable Peugeot 406 engine?
The DW8/XUD9 1.9L non-turbo diesel is widely regarded as the most reliable Peugeot 406 engine due to its simple mechanical design and tolerance for high mileage with basic maintenance.
Key points
- • DW8/XUD9: simple, robust, fewer failure points
- • DW10 HDi: excellent when maintained, but turbo attention needed
- • XU7 petrol: affordable but head gasket weakness is well-documented
- • ES9 V6: refined but oil consumption emerges on high mileage
Question 3
Is it worth replacing a Peugeot 406 engine?
Yes, if your 406 is in good structural condition and has service history. A rebuilt engine costing £750-£2,400 can extend the life of a car worth £800-£4,000 by 50k+ miles with warranty coverage.
Key points
- • Compare engine cost against vehicle market value
- • Rebuilt engines include warranty for peace of mind
- • Supply & fit options simplify the replacement process
- • Consider selling privately if repair cost exceeds 50% of value
Question 4
What causes Peugeot 406 XU7 petrol engines to fail?
The XU7's dominant failure is head gasket failure between 80k-120k miles, caused by cylinder head warping under heat stress. Timing belt neglect and oil consumption from worn rings are secondary concerns.
Key points
- • Head gasket failure is the XU7's notorious weakness
- • Timing belt must be replaced at 72k miles to prevent catastrophic damage
- • Oil consumption indicates worn piston rings on high-mileage units
- • Regular coolant and oil changes can extend XU7 life
Question 5
Do Peugeot 406 HDi diesel engines have timing belt or chain?
All Peugeot 406 DW10/DW12 HDi diesel engines use a timing belt, not chain. Replacement is recommended at 72k miles or 6 years to prevent catastrophic interference engine damage.
Key points
- • DW10/DW12 HDi engines use timing belt, not chain
- • Belt replacement interval: 72k miles or 6 years
- • Water pump should be replaced simultaneously
- • Belt failure causes valve-piston collision and engine destruction
Question 6
How long does a Peugeot 406 engine replacement take?
Supply-only engine delivery typically takes 2-5 working days from UK suppliers. Supply & fit installation at a specialist garage usually requires 1-2 full working days depending on variant and garage workload.
Key points
- • Supply-only: 2-5 working days delivery from UK network
- • Supply & fit: 1-2 days garage installation time
- • Additional time may be needed for ECU coding on HDi variants
- • Book garage slots in advance during peak replacement seasons
Question 7
What warranty comes with a Peugeot 406 replacement engine?
Every rebuilt or reconditioned Peugeot 406 engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty from UK specialists. Terms vary by supplier and condition type.
Key points
- • Minimum 12-month warranty standard on rebuilt/reconditioned units
- • Unlimited mileage coverage on most specialist-supplied engines
- • Used engines may have shorter or limited warranty terms
- • Always confirm exact warranty terms with your chosen supplier
Question 8
Can I fit a different engine in my Peugeot 406?
Engine swaps in the Peugeot 406 are possible but complex and rarely cost-effective. Sticking with the original engine code ensures compatibility with ECU, wiring, mounts and emissions compliance for UK road use.
Key points
- • Original engine code ensures ECU and wiring compatibility
- • Engine mounts and transmission must match original specification
- • Non-standard swaps may fail UK MOT emissions testing
- • Specialist advice essential before attempting any engine conversion
Question 9
Where can I buy a Peugeot 406 replacement engine in the UK?
EngineMarket connects you with 100+ vetted UK Peugeot 406 engine specialists, from breakers offering used units to specialist rebuilders supplying reconditioned and rebuilt engines with warranty coverage.
Key points
- • Compare prices from breakers, rebuilders and specialist suppliers
- • All suppliers vetted and rated by real Peugeot 406 owners
- • Supply-only or full supply & fit options available nationwide
- • Free quote comparison with no obligation to proceed
Question 10
How do I find my Peugeot 406 engine code?
Your Peugeot 406 engine code is stamped on the engine block (visible near the gearbox bellhousing) and listed on your V5C registration document under "engine number" or "variant". Enter your reg above for instant verification.
Key points
- • Check V5C registration document for engine number reference
- • Engine code stamped on block near gearbox bellhousing
- • Common codes: XU7JB (2.0 petrol), DW10TD (2.0 HDi), ES9J4 (3.0 V6)
- • Use our free reg checker for instant code and variant identification
Why Choose Us
Why UK Peugeot 406 Owners Trust EngineMarket
Find the best Peugeot 406 engine replacement near you
Compare engine prices for Peugeot 406 in the UK and get competitive quotes from garages near you.
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Every quote checked for fitment, quality and lead time.