Alfa Romeo 159 Diesel Engines
from £985 to £2,400
Rebuilt units from £985 · Common codes: 939A1000, 939A2000, 939A4000, 939B3000
Alfa Romeo ENGINE MARKETPLACE
Alfa Romeo 159 Engine Replacement - Reconditioned & Used Prices Compared
Get quotes from trusted UK Alfa Romeo 159 engine specialists. Compare reconditioned, rebuilt and used prices for 1.8 to 3.2 V6 - JTDm diesel & petrol covered. Compare supply & fit options today.
Supply & Fit Available
12-Month Warranty
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Alfa Romeo 159 Petrol Engines
from £1,085 to £2,800
Rebuilt units from £1,085 · Common codes: 939A2000, 939A6000, 939B1000
Alfa Romeo 159 Performance Engines
from £1,800 to £4,500
Rebuilt units from £1,800 · Common codes: 939A3000, 939A5000, 939A9000
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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 Alfa Romeo 159 Replacement Engineto Finding the Best Alfa Romeo 159 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
Average Market Prices
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Alfa Romeo 159 Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Alfa Romeo 159 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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“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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Variants We Cover
Alfa Romeo 159 Engine ReplacementAll Variants Covered
Alfa Romeo 159 1.9 JTDm 120
939A1000 1.9L Diesel
Rebuilt Engines: £985-£1,600
Alfa Romeo 159 1.9 JTDm 150
939A2000 1.9L Diesel
Rebuilt Engines: £1,100-£1,900
Alfa Romeo 159 2.0 JTDm 170
939B3000 2.0L Diesel
Rebuilt Engines: £1,400-£2,200
Alfa Romeo 159 1.75 TBi
939B1000 1.8L Petrol
Rebuilt Engines: £1,500-£2,600
Alfa Romeo 159 2.2 JTS
939A2000 2.2L Petrol
Rebuilt Engines: £1,085-£2,400
Alfa Romeo 159 1.8 MPI
939A6000 1.8L Petrol
Rebuilt Engines: £950-£1,750
Alfa Romeo 159 2.4 JTDm Q4
939A3000 2.4L Diesel
Rebuilt Engines: £2,000-£3,800
Alfa Romeo 159 3.2 V6 JTS
939A5000 3.2L Petrol
Rebuilt Engines: £2,800-£4,500
Alfa Romeo 159 2.4 JTDm Ti
939A9000 2.4L Diesel
Rebuilt Engines: £1,900-£3,500
Alfa Romeo 159 1.9 JTDm Sportwagon
939A1000 1.9L Diesel
Rebuilt Engines: £1,050-£1,850
Alfa Romeo 159 2.2 JTS Selespeed
939A2000 2.2L Petrol
Rebuilt Engines: £1,200-£2,500
Alfa Romeo 159 3.2 V6 JTS Q4
939A5000 3.2L Petrol
Rebuilt Engines: £3,200-£4,500
Not sure which variant your Alfa Romeo 159 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
159
Engine Codes
Alfa Romeo 159 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Alfa Romeo 159 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 Alfa Romeo 159 variants.
939A1000 - 1.9L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
1.9 JTDm 120 Turismo1.9 JTDm 120 Lusso1.9 JTDm 120 Sportwagon
Avg. rebuilt price
£985 - £1,600
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 1.9L
- Power output
- 120 hp
- Years fitted
- 2005-2010
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 Alfa Romeo 159 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
159
Common Problems
Alfa Romeo 159 Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Alfa Romeo 159's diesel JTDm and petrol JTS engines are generally robust but face known issues like EGR clogging, DPF failures, and timing component wear. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address original failure points - plus a minimum 12-month unlimited mileage warranty. Use this...
Alfa Romeo 159 EGR Valve Failure - Why JTDm Diesel Engines Lose Power
Alfa Romeo 159 EGR Valve Failure
Most affected vehicles
Alfa Romeo 159 1.9 JTDm2.0 JTDm
Alfa Romeo 159 1.9 JTDm, 2.0 JTDm, 2.4 JTDm (2005-2011, codes 939A1000, 939A2000, 939B3000, 939A3000)
Failure mileage range
70,000-120,000 miles
Typical failure window
Root cause
Exhaust gas recirculation valve clogs with carbon deposits from diesel combustion, restricting flow and triggering fault codes. Short-journey driving accelerates buildup.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - EGR Cleaning/Blanking | £400 - £750 | £250 - £450 | Remove and clean valve or fit legal blanking plate; ECU reset | Temporary fix; may return if driving pattern unchanged |
| Intermediate - EGR Replacement | £850 - £1,400 | £550 - £900 | Fit new or reconditioned EGR valve with gaskets; full system check | Reliable if quality part used; 2-4 year typical lifespan |
| Full Replacement - Rebuilt Engine | £3,200 - £5,500 | £1,800 - £3,200 | Supply & fit rebuilt JTDm engine with upgraded EGR components; 12-month warranty | Best value for high-mileage cars; eliminates recurring EGR issues |
Our recommendation
On a Alfa Romeo 159 worth £2,000-£5,000, EGR cleaning or replacement makes sense if the engine is otherwise healthy below 100k miles. For cars over 120k miles with multiple faults, a rebuilt engine often proves more cost-effective long-term.
Compare rebuilt JTDm engine prices for your Alfa Romeo 159Replacement Engine Options
Alfa Romeo 159 Engine TypesOptions, Costs & What to Expect
Every engine type for your Alfa Romeo 159 is available through our UK network with typical price ranges based on variant, engine code and budget.
Alfa Romeo 159 Reconditioned Engines (Recon)£1,200 - £3,200((supply only))
Alfa Romeo 159 Rebuilt Engines£1,400 - £3,800((supply only))
Alfa Romeo 159 Used Engines£985 - £2,400((supply only))
Alfa Romeo 159 Remanufactured Engines£2,200 - £4,500((supply only))
Alfa Romeo 159 Refurbished Engines£1,100 - £2,800((supply only))
Compare Alfa Romeo 159 engine prices with vetted UK suppliers
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 Alfa Romeo 159 within hours.
Engine Sizes
Alfa Romeo 159 Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Alfa Romeo 159 is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The 1.9L JTDm was the entry diesel for the 159, offered in 8-valve 120hp and 16-valve 150hp forms across Saloon and Sportwagon variants. Robust and economical, but requires diligent EGR and timing belt maintenance.
⚙
Engine Code(s)
939A1000, 939A2000
▣
Compatible Models (UK)
1.9 JTDm 120 Turismo/Lusso (2005-2010), 1.9 JTDm 150 Turismo/Lusso/Ti (2005-2010), Sportwagon variants
ϟ
Power output
Verified by registration
△
Common Failure Points
EGR valve clogging, turbo actuator sticking, timing belt wear on interference design
Production Years: 2006-2010
Get quotes for Alfa Romeo 159 1.9L diesel enginesFuel Type
Alfa Romeo 159 Engines by Fuel Type
Choose your Alfa Romeo 159 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early 1.9 JTDm to the latest 2.0 JTDm and 1.75 TBi.
Alfa Romeo 159 Diesel Engines
DieselDiesel JTDm engines dominated 159 sales in the UK, with 1.9L, 2.0L and 2.4L variants offering strong economy but requiring attention to emissions systems and timing maintenance.
Common Alfa Romeo 159 Diesel Engine Families
- •939A1000 - 1.9L JTDm 120hp entry diesel, high UK replacement demand on fleet cars
- •939A2000 - 1.9L JTDm 150hp popular in Lusso/Ti trims, EGR and DPF concerns
- •939B3000 - 2.0L JTDm 170hp modernised unit, improved emissions but EGR cooler leaks
Found In
- •Alfa Romeo 159 Saloon (2005-2011) - 1.9/2.0/2.4 JTDm engines
- •Alfa Romeo 159 Sportwagon (2006-2011) - all JTDm variants including Q4 AWD
Known For
- •Strong motorway fuel economy and torque for executive driving
- •EGR valve and DPF clogging on short-journey cars triggers warning lights
- •Timing belt critical on interference engines - strict 60k mile service essential
Typical Diesel Models
- •1.9 JTDm 120 Turismo
- •1.9 JTDm 150 Lusso
- •2.0 JTDm 170 Ti
1 of 2
Alfa Romeo 159 Diesel Engines
DieselDiesel JTDm engines dominated 159 sales in the UK, with 1.9L, 2.0L and 2.4L variants offering strong economy but requiring attention to emissions systems and timing maintenance.
Common Alfa Romeo 159 Diesel Engine Families
- •939A1000 - 1.9L JTDm 120hp entry diesel, high UK replacement demand on fleet cars
- •939A2000 - 1.9L JTDm 150hp popular in Lusso/Ti trims, EGR and DPF concerns
- •939B3000 - 2.0L JTDm 170hp modernised unit, improved emissions but EGR cooler leaks
Found In
- •Alfa Romeo 159 Saloon (2005-2011) - 1.9/2.0/2.4 JTDm engines
- •Alfa Romeo 159 Sportwagon (2006-2011) - all JTDm variants including Q4 AWD
Known For
- •Strong motorway fuel economy and torque for executive driving
- •EGR valve and DPF clogging on short-journey cars triggers warning lights
- •Timing belt critical on interference engines - strict 60k mile service essential
Typical Diesel Models
- •1.9 JTDm 120 Turismo
- •1.9 JTDm 150 Lusso
- •2.0 JTDm 170 Ti
Alfa Romeo 159 Petrol Engines
PetrolPetrol JTS and TBi engines offered spirited performance across 1.8L to 3.2L V6 options, with direct injection benefits but carbon buildup maintenance considerations.
Common Alfa Romeo 159 Petrol Engine Families
- •939A6000 - 1.8L MPI naturally aspirated, simple and reliable entry petrol
- •939A2000 - 2.2L JTS direct injection, 185hp popular in Lusso and Ti trims
- •939B1000 - 1.75L TBi turbo direct injection, 200hp replaced older JTS from 2009
Found In
- •Alfa Romeo 159 Saloon (2005-2011) - all petrol variants including Selespeed
- •Alfa Romeo 159 Sportwagon (2006-2011) - 2.2 JTS and 3.2 V6 JTS options
Known For
- •Responsive throttle and strong mid-range torque for engaging drive
- •Carbon buildup on intake valves requires periodic walnut blasting on JTS/TBi
- •Timing chain tensioner wear on 2.2L/3.2L can cause cold-start rattles
Typical Petrol Models
- •1.8 MPI Turismo
- •2.2 JTS Lusso
- •2.2 JTS Ti Selespeed
Not sure which fuel type your Alfa Romeo 159 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 Alfa Romeo 159 specialists.
Engine YearsGet quotes for 2005-2006 Alfa Romeo 159 replacement engines →
Alfa Romeo 159 Engines by YearWhat Was Fitted & WhenAlfa Romeo 159 Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Alfa Romeo 159's 2005-2011 production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Alfa Romeo 159 Saloon introduced with 1.9 JTDm (120/150hp) and 2.2 JTS (185hp) engines
- ✓3.2L V6 JTS flagship added with Q4 AWD option for performance enthusiasts
- ✓Five-speed manual standard; six-speed manual and Selespeed available on select variants
▣Main Engines
939A1000- 1.9L diesel 120hp (1.9 JTDm 120 Turismo/Lusso)
939A2000- 1.9L diesel 150hp (1.9 JTDm 150 Lusso/Ti)
939A2000- 2.2L petrol 185hp (2.2 JTS Turismo/Lusso/Ti)
939A5000- 3.2L petrol 260hp (3.2 V6 JTS Ti Q4)
▰Popular Models
- •Alfa Romeo 159 1.9 JTDm 150 Lusso
- •Alfa Romeo 159 2.2 JTS Ti
- •Alfa Romeo 159 3.2 V6 JTS Ti Q4
🔧Known For
- ✓Strong initial demand for stylish Italian executive saloon
- ✓Early 1.9 JTDm units show EGR clogging on high-mileage examples
- ✓2.2 JTS carbon buildup requires periodic maintenance for optimal performance
- ✓3.2 V6 Q4 system demands specialist servicing for longevity
Engine Codes Covered:
939A1000939A2000939A5000Not sure which year your Alfa Romeo 159 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 Alfa Romeo 159 specialists.
FAQ