Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Get quotes today from trusted UK Vauxhall Signum engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available nationwide.
-> Rebuilt units from £1,200 · Common codes: Z19DTH, Z19DT, Z19DTL, Y22DTR
-> Rebuilt units from £1,100 · Common codes: Z22SE, Z18XE, Z20NET
-> Rebuilt units from £2,900 · Common codes: Z28NET, Z28NEL, Y30DT
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Get Instant Quotes from Vauxhall Engine Specialists Across the UK - 100% free, no obligation. Most replacements completed within 3-5 days.
Most replacements completed within 3-5 days.
The table below shows typical UK rebuilt engine costs across Vauxhall Signum variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.

Customer Reviews
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Vauxhall Signum engines through EngineMarket.
Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Pete
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
Sophie
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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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A full alphabetical listing of every Vauxhall Signum 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
Petrol Variants
Every engine code fitted to the Vauxhall Signum 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.
Extracted from detailed diesel engine families across Vauxhall Signum variants.
Extracted from detailed petrol and performance engine families across Vauxhall Signum variants.
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 Vauxhall Signum engine specialists. Every rebuilt engine comes with a 12‑month unlimited mileage warranty.
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why Z22SE Petrol Engines Fail
Vauxhall Signum Life, Design, Elite, Exclusiv (2003-2008, Z22SE 2.2L petrol)
60,000-100,000 miles
Factory timing chain tensioner loses pressure over time, allowing chain slack that causes rattling, misfires, and potential valve damage if ignored.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Preventative Tensioner Replacement Minor | £800 - £1,400 | £500 - £900 | Replace tensioner, guides, and chain if stretched; reset ECU adaptations | Viable only if caught before rattling starts; 40k-60k mile extension |
Full Replacement - Rebuilt / Reconditioned Engine Best Value | £2,800 - £4,200 | £1,100 - £2,600 | Supply & fit rebuilt Z22SE with upgraded tensioner kit, bench tested, 12‑month warranty | Best value for high‑mileage Signum; resolves root cause permanently |
If your Z22SE Signum is under 70k miles and showing early tensioner noise, a preventative tensioner kit from a specialist offers good value. For engines over 90k miles or with confirmed chain stretch, a rebuilt unit with upgraded components is more cost‑effective than risking catastrophic failure.
Whether your Signum suffers timing chain rattle, EGR clogging, oil pressure warnings, or turbo issues, EngineMarket makes it simple to compare prices from trusted UK specialists. Every rebuilt engine includes upgraded components addressing the known failure point, bench testing, and a 12‑month unlimited mileage warranty. With nationwide supply & fit available, you can get back on the road without paying main dealer premiums.
Compare Vauxhall Signum Engine Replacement Prices Now →Vauxhall Signum Life, Design, Elite, Exclusiv (2003-2008, Z22SE 2.2L petrol)
60,000-100,000 miles
Factory timing chain tensioner loses pressure over time, allowing chain slack that causes rattling, misfires, and potential valve damage if ignored.
Replace tensioner, guides, and chain if stretched; reset ECU adaptations
Supply & fit rebuilt Z22SE with upgraded tensioner kit, bench tested, 12‑month warranty
If your Z22SE Signum is under 70k miles and showing early tensioner noise, a preventative tensioner kit from a specialist offers good value. For engines over 90k miles or with confirmed chain stretch, a rebuilt unit with upgraded components is more cost‑effective than risking catastrophic failure.
Whether your Signum suffers timing chain rattle, EGR clogging, oil pressure warnings, or turbo issues, EngineMarket makes it simple to compare prices from trusted UK specialists. Every rebuilt engine includes upgraded components addressing the known failure point, bench testing, and a 12‑month unlimited mileage warranty. With nationwide supply & fit available, you can get back on the road without paying main dealer premiums.
Compare Vauxhall Signum 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 Vauxhall Signum and engine code. Every engine supplied through EngineMarket carries a 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Every Vauxhall Signum engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
All engine types include a 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 Vauxhall Signum within hours.
The 1.9L CDTi diesel powered most Signum variants from launch to end of production, appearing in Life, Design and Elite trims. This versatile unit offered strong fuel economy but requires attention to EGR and DPF maintenance on post‑2005 Euro 4 models.
| Engine Code(s) | Z19DT, Z19DTH, Z19DTL |
| Compatible Models (UK) | Life (2003-2008), Design (2003-2008), Elite |
| Production Years | 2005-2008 |
EGR valve clogging, DPF regeneration failure on Z19DTH, injector seal leaks
Not sure which engine size your Vauxhall Signum 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 12‑month unlimited mileage warranty from UK Vauxhall Signum specialists.
Vauxhall Signum Engines Fuel Type
Diesel Signum models dominated UK sales, with the 1.9L CDTi (Z19DT/Z19DTH) powering most Life, Design and Elite variants from 2003-2008.
Not sure which fuel type your Vauxhall Signum has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a 12‑month unlimited mileage warranty from UK Vauxhall Signum specialists.
This timeline covers all major Vauxhall Signum engine changes from 2003 launch to 2008 end of production, helping you identify your exact engine and compare rebuilt prices from UK specialists.
Not sure which year your Vauxhall Signum was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a 12‑month warranty from UK Vauxhall Signum specialists.
FAQ
Question 1
Typical rebuilt Vauxhall Signum engine prices range from £950 for a 1.8L petrol Z18XE to £5,500 for a VXR Z28NET V6 turbo, depending on engine code, condition and supplier. Supply & fit adds £400-£900 labour.
Key points
Question 2
The Z22SE 2.2L petrol engine's timing chain tensioner failure is the most documented Signum issue, typically occurring between 60,000-100,000 miles and causing rattling, misfires or stalling if ignored.
Key points
Question 3
Limited interchangeability exists between Signum engine codes due to unique ECU mapping, ancillary brackets and emissions hardware. We verify compatibility before any quote is issued.
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Question 4
Typical turnaround is 3-5 working days for supply only, or 5-7 days for supply & fit including ECU coding and road testing, depending on engine code and garage availability.
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Question 5
All rebuilt Vauxhall Signum engines supplied through EngineMarket include a minimum 12‑month unlimited mileage warranty covering parts and labour at any UK garage, with optional extensions available.
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Question 6
Yes - Vauxhall Signum immobiliser systems require Tech2/Op‑Com coding to pair the replacement engine's ECU with the vehicle's security module, a service included in all EngineMarket supply & fit quotes.
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Question 7
Used Signum engines can be reliable if sourced from low‑mileage, well‑maintained donors with full service history, but rebuilt units with upgraded components offer better long‑term value for high‑mileage vehicles.
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Question 8
Your Signum engine code is stamped on the engine block near the gearbox flange, listed on the V5C registration document under "engine number", or instantly verified by entering your reg on EngineMarket.
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Question 9
Rebuilt Vauxhall Signum engines undergo full disassembly with upgraded internal components replacing worn parts, while reconditioned units are cleaned, inspected and repaired only where necessary without full strip‑down.
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Question 10
Yes - EngineMarket's network includes UK garages familiar with the Signum's unique chassis who offer complete supply & fit service including engine installation, ECU coding, road test and warranty registration.
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