147 1.9 JTD Diesel Engines
from £785 to £1,950
Rebuilt units from £785 · Common codes: 937A3000, 937A5000, 188B1000
Get quotes from trusted UK Alfa Romeo 147 engine specialists. Compare used and reconditioned prices for 1.6 TS to GTA - TS/JTD covered. Get a quote before it's too late.
147 1.9 JTD Diesel Engines
from £785 to £1,950
Rebuilt units from £785 · Common codes: 937A3000, 937A5000, 188B1000
147 1.6 TS Petrol Engines
from £895 to £1,750
Rebuilt units from £895 · Common codes: 321.03, 321.04, 188A4000
147 GTA 3.2 V6 Performance Engines
from £2,450 to £4,950
Rebuilt units from £2,450 · Common codes: 932A.000, 937AXL

Most replacements completed within 3-5 days.


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Not sure which variant your Alfa Romeo 147 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Every engine code fitted to the Alfa Romeo 147 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 Alfa Romeo 147 variants.

937A3000 - 1.9L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
Avg. rebuilt price
£785 - £1,450
Supply only
Technical specifications
Common failures
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 147 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The Alfa Romeo 147's 1.9 JTD diesel and 1.6/2.0 Twin Spark petrol engines dominate UK replacement enquiries, with timing variator rattle and turbo actuator failures most commonly reported. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month...
Alfa Romeo 147 Timing Variator Failure
Most affected vehicles
Alfa Romeo 147 1.6 TS, 2.0 TS (2001-2010, engine codes 321.03, 321.04, 323.10)
Failure mileage range
60,000-90,000 miles
Typical failure window
Root cause
Hydraulic variator wear causes delayed cam timing adjustment, creating metallic rattling on cold starts that can lead to belt jump and valve damage.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Variator Replacement | £450 - £750 | £295 - £495 | Replace both inlet/exhaust variators, tensioner and belt kit before failure occurs | Viable if caught early; prevents catastrophic valve damage on interference engines |
| Intermediate - Timing Belt Service + Variators | £650 - £950 | £425 - £695 | Full timing belt kit, water pump, tensioners and variators replaced as preventative package | Recommended for 147s over 70k miles; extends engine life by 40-60k miles typically |
| Full Replacement - Rebuilt Twin Spark Engine | £2,200 - £3,500 | £895 - £1,650 | Supply & fit of rebuilt/reconditioned engine with upgraded variators, bench tested, 12-month warranty | Best value if valve damage has occurred; avoids labour-intensive cylinder head repair |
Our recommendation
On a Alfa Romeo 147 worth £1,500-£3,500, preventative variator replacement at 60k miles offers far better value than waiting for failure. If you're already hearing the rattle, get quotes for a rebuilt unit - valve damage repair often exceeds the car's value.
Compare rebuilt Twin Spark engine prices for your Alfa Romeo 147
Every Alfa Romeo 147 engine type is available through our UK network, with typical price ranges based on variant, engine code and budget.
Compare Alfa Romeo 147 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 147 within hours.

Every displacement fitted to the Alfa Romeo 147 is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The smallest diesel option, introduced in 2003 for city-focused buyers seeking low running costs and insurance groups.
Engine Code(s)
937A8000
Compatible Models (UK)
1.3 JTDm 90hp
Power output
Verified by registration
Common Failure Points
EGR clogging on short journeys, injector wear after 100k miles
Production Years: 2003-2010
Get quotes for Alfa Romeo 147 1.3L diesel engines
Choose your Alfa Romeo 147 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from economical 1.3 JTDm to the legendary GTA 3.2 V6.
Diesel powered the majority of UK 147s, with the 1.9 JTD family dominating replacement enquiries due to fleet usage and high-mileage exposure.
Common Alfa Romeo 147 Diesel Engine Families
Found In
Known For
Typical Diesel Models
Diesel powered the majority of UK 147s, with the 1.9 JTD family dominating replacement enquiries due to fleet usage and high-mileage exposure.
Common Alfa Romeo 147 Diesel Engine Families
Found In
Known For
Typical Diesel Models
Twin Spark petrol engines deliver Alfa's signature high-revving character but require timely variator and belt service to avoid costly failures.
Common Alfa Romeo 147 Petrol Engine Families
Found In
Known For
Typical Petrol Models
Not sure which fuel type your Alfa Romeo 147 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 147 specialists.

This section covers all major engine changes across the Alfa Romeo 147's UK production timeline, organised so owners can quickly identify their engine and compare rebuilt prices from specialists.
⚙Key Changes
▣Main Engines
188A1000- 1.2L petrol (1.2 TS 80hp)
188A3000- 1.4L petrol (1.4 TS 95hp)
321.03/188A4000- 1.6L petrol (1.6 TS 120hp)
323.10/188A5000- 2.0L petrol (2.0 TS 150hp)
188A9000/937A3000- 1.9L diesel (1.9 JTD 115hp)
▰Popular Models
🔧Known For
Engine Codes Covered:
188A1000188A3000321.03188A4000323.10188A5000188A9000937A3000