Signum 1.9 CDTI Diesel Engines
from £1,200 to £2,800
Rebuilt units from £1,200 · Common codes: Z19DTH, Z19DT, Z19DTL, Y22DTR
Vauxhall ENGINE MARKETPLACE
Vauxhall Signum Engine Replacement - Reconditioned & Used Prices Compared
Get quotes from trusted UK Vauxhall Signum engine specialists. Compare reconditioned, rebuilt and used prices for 2.0L to 3.2L petrol & diesel - Z20NET, Z22YH & Z19DT covered. Compare supply & fit options today.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Signum 2.2L Petrol Engines
from £1,100 to £2,600
Rebuilt units from £1,100 · Common codes: Z22SE, Z18XE, Z20NET
Signum VXR Performance Engines
from £2,900 to £5,500
Rebuilt units from £2,900 · Common codes: Z28NET, Z28NEL, Y30DT
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Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Vauxhall Signum Replacement Engineto Finding the Best Vauxhall Signum Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
What Are UK Drivers Paying for Vauxhall Signum Engine Replacement
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.
Average Market Prices
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Vauxhall Signum Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Vauxhall Signum engines through EngineMarket.
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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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“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.”
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Variants We Cover
Vauxhall Signum Engine ReplacementAll Variants Covered
Vauxhall Signum Life
Z19DT 1.9L Diesel
Rebuilt Engines: £1,200-£2,400
Vauxhall Signum Design
Z19DTH 1.9L Diesel
Rebuilt Engines: £1,400-£2,800
Vauxhall Signum Elite
Z19DTH 1.9L Diesel
Rebuilt Engines: £1,400-£2,800
Vauxhall Signum Life 1.8L
Z18XE 1.8L Petrol
Rebuilt Engines: £950-£2,100
Vauxhall Signum Design 2.2L
Z22SE 2.2L Petrol
Rebuilt Engines: £1,100-£2,600
Vauxhall Signum Exclusiv 2.2L
Z22SE 2.2L Petrol
Rebuilt Engines: £1,100-£2,600
Vauxhall Signum Design 2.0T
Z20NET 2.0L Turbo
Rebuilt Engines: £1,600-£3,200
Vauxhall Signum Elite 3.0 V6 CDTi
Y30DT 3.0L V
Rebuilt Engines: £2,200-£4,100
Vauxhall Signum VXR 2.8T
Z28NET 2.8L V6 2.8L V
Rebuilt Engines: £2,900-£5,500
Not sure which variant your Vauxhall Signum is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Signum
Engine Codes
Vauxhall Signum Engine CodesFull Technical Specifications & Replacement Guide
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.
Diesel Engines
Extracted from detailed diesel engine families across Vauxhall Signum variants.
Z19DT - 1.9L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
LifeDesignElite (pre-2005)
Avg. rebuilt price
£1,200 - £2,400
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 1.9L
- Power output
- 100-120 hp
- Years fitted
- 2003-2008
Common failures
- ●Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which 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 Vauxhall Signum engine specialists. Every rebuilt engine comes with a 12-month unlimited mileage warranty.
Signum
Common Problems
Vauxhall Signum Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Vauxhall Signum's Z22SE petrol and Z19DTH diesel engines dominate UK replacement enquiries due to timing chain and EGR/DPF failures. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address these known failure points - plus a 12-month unlimited mileage warranty. Use the cost comparisons below to decide...
Vauxhall Signum Timing Chain Failure - Why Z22SE Petrol Engines Fail
Vauxhall Signum Timing Chain Failure
Most affected vehicles
Vauxhall Signum LifeDesign
Vauxhall Signum Life, Design, Elite, Exclusiv (2003-2008, Z22SE 2.2L petrol)
Failure mileage range
60,000-100,000 miles
Typical failure window
Root cause
Factory timing chain tensioner loses pressure over time, allowing chain slack that causes rattling, misfires, and potential valve damage if ignored.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Tensioner Replacement | £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 | £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 |
Our recommendation
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.
Compare rebuilt Z22SE engine prices for your Vauxhall SignumReplacement Engine Options
Vauxhall Signum Engine TypesOptions, Costs & What to Expect
Every Vauxhall Signum engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Vauxhall Signum Reconditioned Engines (Recon)£1,100 - £2,800((supply only))
Vauxhall Signum Rebuilt Engines£1,200 - £2,800((supply only))
Vauxhall Signum Used Engines£600 - £1,800((supply only))
Vauxhall Signum Remanufactured Engines£1,800 - £3,500((supply only))
Vauxhall Signum Refurbished Engines£900 - £2,200((supply only))
Compare Vauxhall Signum engine prices with vetted UK suppliers
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.
Engine Sizes
Vauxhall Signum Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Vauxhall Signum is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
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
ϟ
Power output
Verified by registration
△
Common Failure Points
EGR valve clogging, DPF regeneration failure on Z19DTH, injector seal leaks
Production Years: 2005-2008
Get quotes for Vauxhall Signum 1.9L diesel enginesVauxhall Signum Engines Fuel Type
Vauxhall Signum Engines by Fuel Type
Choose your Vauxhall Signum engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early Life 1.8L petrol to the flagship VXR 2.8T.
Vauxhall Signum Diesel Engines
DieselDiesel Signum models dominated UK sales, with the 1.9L CDTi (Z19DT/Z19DTH) powering most Life, Design and Elite variants from 2003-2008.
Common Vauxhall Signum Diesel Engine Families
- •Z19DTH - most common replacement engine (Design/Elite), EGR/DPF focus
- •Z19DT - early Life/Design units, EGR valve clogging risk
- •Y30DT - rare V6 diesel Elite, twin-turbo complexity
Found In
- •Signum Life/Design/Elite (2003-2008) - Z19DT, Z19DTH
- •Signum Elite (2005-2008) - Y30DT V6
Known For
- •Strong motorway fuel economy and refinement
- •EGR valve and DPF failures on high-mileage examples
- •High UK replacement demand on 1.9L CDTi variants
Typical Diesel Models
- •Life 1.9 CDTi
- •Design 1.9 CDTi
- •Elite 1.9 CDTi
1 of 2
Vauxhall Signum Diesel Engines
DieselDiesel Signum models dominated UK sales, with the 1.9L CDTi (Z19DT/Z19DTH) powering most Life, Design and Elite variants from 2003-2008.
Common Vauxhall Signum Diesel Engine Families
- •Z19DTH - most common replacement engine (Design/Elite), EGR/DPF focus
- •Z19DT - early Life/Design units, EGR valve clogging risk
- •Y30DT - rare V6 diesel Elite, twin-turbo complexity
Found In
- •Signum Life/Design/Elite (2003-2008) - Z19DT, Z19DTH
- •Signum Elite (2005-2008) - Y30DT V6
Known For
- •Strong motorway fuel economy and refinement
- •EGR valve and DPF failures on high-mileage examples
- •High UK replacement demand on 1.9L CDTi variants
Typical Diesel Models
- •Life 1.9 CDTi
- •Design 1.9 CDTi
- •Elite 1.9 CDTi
Vauxhall Signum Petrol Engines
PetrolPetrol Signum variants offered simplicity (1.8L/2.2L NA) or performance (2.0T/2.8T V6), with the Z22SE 2.2L being the most replaced petrol unit.
Common Vauxhall Signum Petrol Engine Families
- •Z22SE - most common petrol replacement, timing chain tensioner risk
- •Z18XE - entry-level Life petrol, oil pump pickup clogging
- •Z28NET - VXR performance V6 turbo, specialist rebuild required
Found In
- •Signum Life/Design/Elite/Exclusiv (2003-2008) - Z18XE, Z22SE
- •Signum Design (2003-2008) - Z20NET 2.0T
- •Signum VXR (2007-2008) - Z28NET/Z28NEL 2.8T V6
Known For
- •Z22SE timing chain tensioner failures between 60k-100k miles
- •Z20NET carbon buildup on direct injection inlet valves
- •VXR Z28NET turbo actuator calibration complexity
Typical Petrol Models
- •Life 1.8 / 2.2
- •Design 2.2 / 2.0T
- •Elite 2.2
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.
Engine YearsGet quotes for 2003-2004 Vauxhall Signum replacement engines →
Vauxhall Signum Engines by YearWhat Was Fitted & WhenVauxhall Signum Engines by Year - What Was Fitted & When
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.
⚙Key Changes
- ✓New "saloon-estate" body style introduced to UK market
- ✓Initial engine lineup: Z18XE 1.8L petrol, Z19DT 1.9L CDTi diesel
- ✓Life and Design trim levels available from launch
▣Main Engines
Z18XE- 1.8L petrol (Life)
Z19DT- 1.9L diesel (Life, Design)
Z22SE- 2.2L petrol (Design, from late 2003)
▰Popular Models
- •Vauxhall Signum Life 1.8
- •Vauxhall Signum Life 1.9 CDTi
- •Vauxhall Signum Design 2.2
🔧Known For
- ✓Unique rear seat chassis requires specialist fitting knowledge
- ✓Z19DT EGR valve clogging emerges as common high-mileage issue
- ✓Z22SE timing chain tensioner wear begins appearing on early examples
Engine Codes Covered:
Z18XEZ19DTZ22SENot 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