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Alfa Romeo 159 Engine ReplacementReconditioned & 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.

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Alfa Romeo 159 diesel engine replacement - 939A1000 939A2000 rebuilt reconditioned UK
Alfa Romeo 159 Diesel Engines- from £985 to £2,400

Rebuilt units from £985

Common codes: 939A1000, 939A2000, 939A4000, 939B3000

Alfa Romeo 159 petrol engine replacement - 939A2000 939A6000 rebuilt reconditioned UK
Alfa Romeo 159 Petrol Engines- from £1,085 to £2,800

Rebuilt units from £1,085

Common codes: 939A2000, 939A6000, 939B1000

Alfa Romeo 159 2.4 JTDm 3.2 V6 JTS engine replacement - 939A3000 939A5000 rebuilt reconditioned UK specialist
Alfa Romeo 159 Performance Engines- from £1,800 to £4,500

Rebuilt units from £1,800

Common codes: 939A3000, 939A5000, 939A9000

Alfa Romeo 159 engine replacement UK - compare reconditioned and rebuilt engine prices
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How It Works

3 Simple Stepsto Finding the Best Alfa Romeo 159 Replacement Engine

12-Month Warranty
Supply & Fit Available
Nationwide Delivery
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Most replacements completed within 3-5 days.

Engine Intelligence

Alfa Romeo 159 Engines - Codes, Common Failures & Replacement Costs

The cards below cover the main engines fitted to the Alfa Romeo 159 in the UK, including documented failure causes, variant production years, and typical rebuilt engine costs based on current UK market data. All prices reflect typical UK market ranges for supply-only rebuilt units.

Alfa Romeo 159 engine intelligence reference

939A1000

Production History

  • 1.9 JTDm 120 PS (8V) - 2005-2010
  • 1.9 JTDm 150 PS (16V) - 2005-2010
  • Available in Saloon and Sportwagon variants

Known Failures

  • EGR valve clogging - causes power loss and rough idle on high-mileage diesel units.
  • Timing belt wear - interference engine; failure risks catastrophic damage if overdue.
  • Turbo actuator faults - Garrett turbo vanes stick, triggering limp mode on 1.9 JTDm.

Specs

Diesel · 1.9L · 120-150hp · Turbocharged

Replacement Cost

Typical UK rebuilt engine: £985-£1,800 (supply only)

939A3000 / 939A5000 / 939A9000

Production History

  • 2.4 JTDm 200 PS (20V I5) - 2005-2007
  • 2.4 JTDm 210 PS (20V I5) - 2007-2010
  • FWD and Q4 AWD variants; Saloon and Sportwagon

Known Failures

  • DPF clogging - frequent regeneration failures on short-journey cars trigger warning lights.
  • Swirl flap mechanism wear - plastic arms break on pre-2008 units, risking inlet damage.
  • Dual-mass flywheel failure - clutch judder and rattles common after 120k miles.

Specs

Diesel · 2.4L · 200-210hp · Turbocharged

Replacement Cost

Typical UK rebuilt engine: £1,800-£3,200 (supply only) Estimated from comparable 2.4 JTDm units - actual quotes may vary.

939A2000

Production History

  • 2.2 JTS 185 PS (16V) - 2005-2010
  • Available with manual or Selespeed automated manual transmission
  • Saloon and Sportwagon variants; Turismo, Lusso, Ti trims

Known Failures

  • Carbon buildup on intake valves - direct injection causes deposits affecting idle and power.
  • Oil heat exchanger O-ring leak - oil accumulation around front right of engine common.
  • Timing chain tensioner wear - rattling noise on cold start; replacement recommended preventatively.

Specs

Petrol · 2.2L · 185hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £1,085-£2,400 (supply only)

Customer Reviews

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Variants We Cover

Alfa Romeo 159 Engine ReplacementAll Variants Covered

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.

Engine Codes

Alfa Romeo 159 Engine Codes

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.

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 Alfa Romeo 159 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

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Common Problems

Alfa Romeo 159 Engine Problems

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Save vs Main Dealer Price

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 Alfa Romeo 159 and engine code. Every engine supplied through EngineMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.

Replacement Engine Options

Alfa Romeo 159 Replacement Engine Types

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 Refurbished EnginesTargeted refurbishment addressing specific faults while retaining sound core components for value-focused repairs.
Typical Price
£1,100 - £2,800
(supply only)
View refurbished Alfa Romeo 159 engine options
Refurbished

Refurbished Alfa Romeo 159 engines receive focused work on identified issues like EGR, turbo or timing components. Suitable for cars with otherwise healthy blocks needing specific repairs.

  • Cost-effective solution for isolated fault resolution
  • Quality parts and specialist fitting ensure reliable results
  • Warranty coverage typically 6-12 months depending on work scope
Typical Price
£1,100 - £2,800
(supply only)
View refurbished Alfa Romeo 159 engine options

All rebuilt engines include a minimum 12-month 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
PRODUCTION YEARS2006-2010
Common Failure Points

EGR valve clogging, turbo actuator sticking, timing belt wear on interference design

Get quotes for Alfa Romeo 159 1.9L diesel engines

Not sure which engine size your Alfa Romeo 159 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 Alfa Romeo 159 specialists.

Fuel 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.

Diesel 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
939A3000
2.4L JTDm five-cylinder, sought for torque but DPF and swirl flap issues
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
High UK replacement demand on 1.9 JTDm fleet and private high-mileage examples
Typical Diesel Models
1.9 JTDm 120 Turismo1.9 JTDm 150 Lusso2.0 JTDm 170 Ti2.4 JTDm 210 Ti Q42.4 JTDm Sportwagon Lusso
Get quotes for Alfa Romeo 159 Diesel replacement engines

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 Years

Alfa Romeo 159 Engines by YearWhat 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.

2005 - 2006 - Launch Models: 1.9 JTDm & 2.2 JTS Debut
Major Engine Change
The 159 launched with 1.9L JTDm diesel and 2.2L JTS petrol engines, establishing the core powertrain lineup for early UK buyers.
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
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
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)
Engine Codes Covered
939A1000939A2000939A5000
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
Common Replacement Enquiries
Alfa Romeo 159 1.9 JTDm engine replacement
Alfa Romeo 159 2.2 JTS rebuild cost
3.2 V6 JTS Q4 engine supply UK
Get quotes for 2005-2006 Alfa Romeo 159 replacement engines
FAQ

Alfa Romeo 159 Engine ReplacementFrequently Asked Questions

How much does an Alfa Romeo 159 engine replacement cost-

Rebuilt Alfa Romeo 159 engines typically cost £985-£4,500 supply-only depending on engine code and variant, with diesel 1.9 JTDm at the lower end and 3.2 V6 JTS at the premium.

  • 1.9 JTDm rebuilt engines: £985-£1,900 typical UK range
  • 2.4 JTDm and 2.2 JTS: £1,800-£2,800 average rebuilt cost
  • 3.2 V6 JTS Q4 specialist units: £2,800-£4,500 due to complexity
  • Supply & fit labour adds £450-£950 depending on variant and location
Compare rebuilt Alfa Romeo 159 engine prices for your variant

What engine codes fit the Alfa Romeo 159-

Alfa Romeo 159 engines use 939A-series codes: diesel 939A1000/939A2000 (1.9L), 939B3000 (2.0L), 939A3000/939A5000 (2.4L); petrol 939A6000 (1.8L), 939A2000 (2.2L JTS), 939B1000 (1.75L TBi), 939A5000 (3.2L V6).

  • Diesel codes: 939A1000, 939A2000, 939B3000, 939A3000, 939A5000, 939A9000
  • Petrol codes: 939A6000, 939A2000 (JTS), 939B1000, 939A5000 (V6)
  • Enter your registration to verify exact code via DVLA database match
  • Engine code determines compatible rebuilt unit and pricing tier
Get quotes for your specific Alfa Romeo 159 engine code

Can I fit a different engine in my Alfa Romeo 159-

Engine swaps in the Alfa Romeo 159 are complex due to electronics, mounting points and emissions compliance; sticking with original-spec rebuilt engines is recommended for reliability and MOT legality.

  • 159 engine bays designed for specific 939A-series codes only
  • ECU immobiliser and wiring harness compatibility critical for successful fitment
  • Non-standard swaps risk MOT failure on emissions and safety grounds
  • Specialist rebuilders can upgrade original engines for improved reliability
Compare OEM-spec rebuilt Alfa Romeo 159 engine options

How long does an Alfa Romeo 159 engine replacement take-

Supply-only engine delivery typically takes 1-3 working days UK-wide; supply & fit installation requires 1-2 days at a specialist garage depending on variant complexity.

  • Rebuilt engines dispatched within 24-48 hours from UK specialist stock
  • Saloon variants generally quicker to fit than Sportwagon rear-access models
  • Q4 AWD and Selespeed variants require additional calibration time post-fit
  • Full supply & fit service includes road test and handover documentation
Find Alfa Romeo 159 engine supply & fit specialists near you

Does the Alfa Romeo 159 engine come with a warranty-

Yes - every rebuilt or reconditioned Alfa Romeo 159 engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty from vetted UK specialists.

  • 12-month warranty standard on rebuilt and reconditioned units
  • Used engines typically carry 3-6 month supplier warranty
  • Warranty covers internal components; ancillaries may have separate terms
  • Always confirm exact warranty scope with your chosen supplier before ordering
View Alfa Romeo 159 engine warranty options from UK suppliers

Will a used Alfa Romeo 159 engine pass MOT-

A compression-tested used Alfa Romeo 159 engine with service history should pass MOT emissions tests, but verify DPF/EGR compliance on diesel variants to avoid test failure.

  • MOT emissions test requires functional DPF and EGR on post-2006 diesel 159s
  • Request compression test report and mileage verification before purchasing used unit
  • Rebuilt engines include new emissions components ensuring MOT compliance
  • Specialist suppliers can advise on variant-specific MOT requirements
Check used Alfa Romeo 159 engine MOT compliance before buying

Do I need to recode the ECU after Alfa Romeo 159 engine replacement-

Yes - most Alfa Romeo 159 engine replacements require ECU immobiliser matching and adaptation, which specialist fitters include in supply & fit services.

  • 159 ECU stores engine serial data; mismatch triggers immobiliser lockout
  • Specialist garages use diagnostic tools to clone or adapt ECU to replacement engine
  • Supply-only buyers must arrange ECU coding separately with Alfa-capable technician
  • Q-Tronic automatic variants require additional transmission adaptation post-fit
Get quotes for ECU-adapted Alfa Romeo 159 engine replacement

What oil does the Alfa Romeo 159 engine use-

Alfa Romeo 159 diesel engines typically use 5W-40 ACEA C3 synthetic; petrol JTS/TBi units require 5W-40 or 10W-40 meeting Fiat 9.55535 specification - always check owner's manual.

  • 1.9/2.0/2.4 JTDm: 5W-40 ACEA C3 low-ash synthetic for DPF protection
  • 2.2 JTS/1.75 TBi: 5W-40 or 10W-40 meeting Fiat 9.55535 spec
  • Oil capacity varies: 1.9L ~4.5L, 2.2L ~4.8L, 2.4L ~5.5L, 3.2L ~6.5L
  • Using correct oil specification critical for turbo and emissions system longevity
Order Alfa Romeo 159 engine oil specification guide with your replacement

Why did my Alfa Romeo 159 engine fail-

Common Alfa Romeo 159 engine failures include EGR/DPF clogging on diesels, timing component wear, turbo issues and carbon buildup on direct-injection petrols - often preventable with scheduled maintenance.

  • Diesel: EGR valve clogging and DPF regeneration failure most frequent causes
  • Petrol: Carbon buildup on JTS/TBi intake valves affects performance over time
  • All engines: Timing belt/chain neglect risks catastrophic interference damage
  • High-mileage examples may suffer turbo bearing wear or oil consumption issues
Diagnose your Alfa Romeo 159 engine failure with specialist support

Can I get an Alfa Romeo 159 engine supply and fit service-

Yes - EngineMarket's UK network includes vetted specialists offering full supply & fit Alfa Romeo 159 engine replacement, handling removal, fitting, ECU adaptation and road test.

  • Supply & fit service includes engine, labour, fluids and post-install diagnostics
  • Specialists familiar with 159 chassis, electronics and variant-specific requirements
  • Nationwide coverage ensures local availability for Saloon and Sportwagon variants
  • Single-point accountability simplifies warranty claims and post-fit support
Find Alfa Romeo 159 engine supply & fit deals in your area

Why Choose Us

Why UK Alfa Romeo 159 Owners Trust EngineMarket

Join thousands of UK drivers who compare Alfa Romeo 159 engine prices through our network of trusted specialists - every rebuilt and reconditioned unit backed by a minimum 12-month unlimited mileage warranty and nationwide delivery.

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UK Engine Replacement Services for Alfa Romeo 159

Covering every variant from economical 1.9 JTDm to performance 3.2 V6 JTS, with supply-only or full supply & fit available nationwide.

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