Fiat Duna 1.6 Petrol Engines
from £800 to £2,400
Rebuilt units from £1,200 · Common codes: 149 C1.000, BF 172, 149 C2.000
Fiat ENGINE MARKETPLACE
Fiat Duna Engine Replacement - Compare Prices & Save
Get quotes from trusted UK Fiat Duna engine specialists. Compare used and reconditioned prices for 1.3L to 1.7L petrol & diesel - 146 A5.000, 146A048 & 149B3.000 covered. Find the best value for your budget.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Fiat Duna 1.3 Petrol Engines
from £600 to £1,800
Rebuilt units from £900 · Common codes: 146 A5.000, 146 A8.000, BF 161
Fiat Duna 1.7 Diesel Engines
from £1,000 to £2,800
Rebuilt units from £1,500 · Common codes: 146 B2.000, 149 B3.000, 146 B1.000
Instant engine replacement quote - 100% free, no obligation
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 Fiat Duna Replacement Engineto Finding the Best Fiat Duna 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
No entries match that model filter yet.
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Fiat Duna Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Fiat Duna engines through EngineMarket.
4.8
★★★★★
out of 5
1,081 verified reviews
★★★★★
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
JJimmyGoogle
★★★★★
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
PPeteFacebook
★★★★★
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
SSophieTrustpilot
★★★★★
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
JJimmyGoogle
Variants We Cover
Fiat Duna Engine ReplacementAll Variants Covered
Fiat Duna 1.6 i.e.
149 C1.000 1.6L Petrol
Rebuilt Engines: £1,200-£2,400
Fiat Duna 1.3
146 A5.000 1.3L Petrol
Rebuilt Engines: £900-£1,800
Fiat Duna 1.7 Diesel
146 B2.000 1.7L Diesel
Rebuilt Engines: £1,500-£2,800
Fiat Duna Weekend 1.6
149 C1.000 1.6L Petrol
Rebuilt Engines: £1,200-£2,400
Fiat Duna Selecta
149 C1.000 1.6L Petrol
Rebuilt Engines: £1,300-£2,500
Fiat Duna Weekend 1.3
146 A5.000 1.3L Petrol
Rebuilt Engines: £900-£1,800
Fiat Duna CS 1.3
146 A5.000 1.3L Petrol
Rebuilt Engines: £850-£1,700
Fiat Duna Prêmio 1.6
BF 1.6L Petrol
Rebuilt Engines: £1,100-£2,300
Fiat Duna 1.1
146 A2.000 1.1L Petrol
Rebuilt Engines: £750-£1,500
Fiat Duna Weekend 1.7 Diesel
146 B2.000 1.7L Diesel
Rebuilt Engines: £1,500-£2,800
Fiat Duna 1.6 MPI
BF 1.6L Petrol
Rebuilt Engines: £1,200-£2,400
Fiat Duna 1.4 Fire
Fiasa 1.4L Petrol
Rebuilt Engines: £950-£1,900
Not sure which variant your Fiat Duna is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Duna
Engine Codes
Fiat Duna Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Fiat Duna 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.
Petrol Engines
Extracted from detailed petrol and performance engine families across Fiat Duna variants.
146 A2.000 - 1.1L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Duna 1.1Duna CS 1.1
Avg. rebuilt price
£750 - £1,500
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 1.1L
- Power output
- 58 hp
- Years fitted
- Check by registration
Common failures
- ●Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
- ●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 Fiat Duna engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Duna
Common Problems
Fiat Duna Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Fiat Duna's engines are generally robust when maintained, but the 1.3 carburettor and 1.6 i.e. Sevel units dominate UK replacement enquiries. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month unlimited mileage warranty. Use the cost...
Head Gasket Failure - Why Fiat Duna 1.3 & 1.6 Engines Overheat
Head Gasket Failure
Most affected vehicles
Fiat Duna 1.3 (1987-1995146 A5.000/146 A8.000)
Fiat Duna 1.3 (1987-1995, 146 A5.000/146 A8.000), Duna 1.6 i.e. (1991-2000, 149 C1.000)
Failure mileage range
80,000-120,000 miles
Typical failure window
Root cause
Clogged radiator or failed thermostat causes overheating; aluminium cylinder head warps, breaching the head gasket and allowing coolant into combustion chambers.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Cooling Service | £400 - £700 | £250 - £450 | Flush cooling system, replace thermostat, pressure test radiator, new coolant | Prevents overheating if done before gasket fails; not viable once gasket breached |
| Intermediate - Head Gasket Replacement | £900 - £1,500 | £600 - £1,000 | Remove cylinder head, machine surface if needed, fit new gasket set, reassemble | Viable only if block/head undamaged; risk of recurrence if root cause not addressed |
| Full Replacement - Rebuilt Engine | £2,200 - £3,500 | £1,200 - £2,400 | Supply & fit rebuilt unit with upgraded gasket, bench-tested, 12-month warranty | Best value for high-mileage Duna; eliminates recurrence risk, includes warranty |
Our recommendation
On a Fiat Duna worth £1,000-£4,000, a full rebuilt engine often offers better long-term value than a head gasket repair, especially if the car has exceeded 100k miles. We recommend replacement if the block shows signs of corrosion or if the head has warped beyond machining limits.
Compare rebuilt 149 C1.000 engine prices for your Fiat DunaReplacement Engine Options
Fiat Duna Engine TypesOptions, Costs & What to Expect
Every Fiat Duna engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Fiat Duna Reconditioned Engines (Recon)£800 - £2,000((supply only))
Fiat Duna Rebuilt Engines£1,200 - £2,800((supply only))
Fiat Duna Used Engines£400 - £1,200((supply only))
Fiat Duna Remanufactured Engines£1,500 - £3,200((supply only))
Fiat Duna Refurbished Engines£600 - £1,600((supply only))
Compare Fiat Duna 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 Fiat Duna within hours.
Engine Sizes
Fiat Duna Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Fiat Duna is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The smallest petrol option for the Duna, the 1.1L unit powered base CS models in the late 1980s. Simple carburettor design made it easy to maintain but underpowered for the chassis, leading many owners to consider 1.3L swaps.
⚙
Engine Code(s)
146 A2.000
▣
Compatible Models (UK)
Duna CS 1.1 (1987-1991), Duna 1.1 base
ϟ
Power output
Verified by registration
△
Common Failure Points
Carburettor jet clogging, minor oil seal leaks on high-mileage units
Production Years: 1987-1991
Compare Fiat Duna 1.1L petrol engine pricesFuel Type
Fiat Duna Engines by Fuel Type
Choose your Fiat Duna engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early 1.3 carburettor to the refined 1.6 i.e. Sevel injection.
Fiat Duna Petrol Engines
PetrolPetrol engines dominate the Duna range, from the simple 1.3L carburettor unit to the refined 1.6L Sevel fuel-injected engine that powers the most sought-after Weekend and Selecta variants.
Common Fiat Duna Petrol Engine Families
- •146 A5.000 - 1.3L 8v carburettor, most common replacement engine for early Duna models
- •149 C1.000 - 1.6L Sevel fuel injection, flagship engine for Weekend/Selecta with improved refinement
- •BF 172 - Brazilian-market 1.6L variant, mechanically similar to European 149 C1.000
Found In
- •Duna saloon (1987-1995) - 1.1L, 1.3L, 1.6L petrol
- •Duna Weekend estate (1987-2000) - 1.3L, 1.6L petrol
- •Duna Selecta automatic (1991-1995) - 1.6L petrol only
Known For
- •Simple carburettor design on 1.3L makes DIY maintenance accessible for classic owners
- •1.6L Sevel injection offers smoother running but requires specialist diagnostics for MPI faults
- •Timing belt replacement critical on all petrol units - interference design risks valve damage if neglected
Typical Petrol Models
- •Duna 1.3 CS
- •Duna 1.6 i.e.
- •Duna Weekend 1.6 i.e.
1 of 3
Fiat Duna Petrol Engines
PetrolPetrol engines dominate the Duna range, from the simple 1.3L carburettor unit to the refined 1.6L Sevel fuel-injected engine that powers the most sought-after Weekend and Selecta variants.
Common Fiat Duna Petrol Engine Families
- •146 A5.000 - 1.3L 8v carburettor, most common replacement engine for early Duna models
- •149 C1.000 - 1.6L Sevel fuel injection, flagship engine for Weekend/Selecta with improved refinement
- •BF 172 - Brazilian-market 1.6L variant, mechanically similar to European 149 C1.000
Found In
- •Duna saloon (1987-1995) - 1.1L, 1.3L, 1.6L petrol
- •Duna Weekend estate (1987-2000) - 1.3L, 1.6L petrol
- •Duna Selecta automatic (1991-1995) - 1.6L petrol only
Known For
- •Simple carburettor design on 1.3L makes DIY maintenance accessible for classic owners
- •1.6L Sevel injection offers smoother running but requires specialist diagnostics for MPI faults
- •Timing belt replacement critical on all petrol units - interference design risks valve damage if neglected
Typical Petrol Models
- •Duna 1.3 CS
- •Duna 1.6 i.e.
- •Duna Weekend 1.6 i.e.
Fiat Duna Diesel Engines
DieselThe 1.7L naturally aspirated diesel was the only oil-burning option for the Duna, offering excellent fuel economy but modest performance that limited its appeal in the UK import market.
Common Fiat Duna Diesel Engine Families
- •146 B2.000 - 1.7L mechanical diesel, most common diesel code for UK Duna imports
- •149 B3.000 - Updated 1.7L variant with revised injection timing for later models
Found In
- •Duna 1.7 D saloon (1987-1995)
- •Duna Weekend 1.7 D estate (1987-1995)
Known For
- •Excellent fuel economy (50+ mpg) made it popular for high-mileage use in South America
- •Mechanical injection pump requires specialist knowledge for diagnosis and repair in the UK
- •Glow plug circuit corrosion on pre-1990 units causes cold-start difficulty in UK winters
Typical Diesel Models
- •Duna 1.7 D
- •Duna Weekend 1.7 D
- •Duna DS 1.7
Fiat Duna Hybrid / Electrified Engines
MHEVNo hybrid or electrified variants of the Fiat Duna were ever produced; all models feature conventional petrol or diesel internal combustion engines.
Important Notes
- •The Fiat Duna was produced 1985-2000, before hybrid technology was offered in this segment
- •All replacement engines for the Duna are conventional petrol or diesel units
- •Owners seeking improved efficiency should consider a rebuilt 1.6L Sevel petrol for optimal balance of performance and economy
Not sure which fuel type your Fiat Duna 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 Fiat Duna specialists.
Engine YearsGet quotes for 1987-1991 Fiat Duna replacement engines →
Fiat Duna Engines by YearWhat Was Fitted & WhenFiat Duna Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Fiat Duna's production timeline (1985-2000), organised so UK import owners can quickly identify their engine and compare rebuilt prices from specialists.
⚙Key Changes
- ✓Duna saloon introduced in UK/Europe as Fiat Uno-based sedan derivative
- ✓1.3L carburettor petrol (146 A5.000) and 1.7L diesel (146 B2.000) established as core engines
- ✓Weekend estate variant added in 1987 with shared powertrains
▣Main Engines
146A5.000 - 1.3L petrol carburettor (Duna/Weekend)
146A2.000 - 1.1L petrol carburettor (base CS models)
146B2.000 - 1.7L diesel (Duna/Weekend)
▰Popular Models
- •Fiat Duna 1.3 CS
- •Fiat Duna 1.3
- •Fiat Duna Weekend 1.3
- •Fiat Duna 1.7 D
🔧Known For
- ✓Simple carburettor design makes DIY maintenance accessible for classic Fiat enthusiasts
- ✓Timing belt replacement critical - neglect causes catastrophic valve damage on interference engines
- ✓Head gasket vulnerability on 1.3L if cooling system not maintained
Engine Codes Covered:
146 A2.000146 A5.000146 B2.000Not sure which year your Fiat Duna 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 Fiat Duna specialists.
FAQ