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Fiat 198A4.000 Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 1.4-litre turbocharged T-Jet petrol workhorse fitted to the Fiat Punto Evo and Bravo, with reconditioned units from £1,500 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£800
Reconditioned from
£1,500
Rebuilt from
£2,500
GB
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Quotes only from vetted UK engine specialists.
Key Specs
Fiat 198A4.000 - Specifications at a Glance
Engine Code
198A4.000
Fuel
Petrol
Configuration
1.4L inline-4, turbocharged (T-Jet)
Power Output(s)
120 hp (88 kW) or 150 hp (110 kW)
Years Produced
2007-2014
UK Models Fitted
2 Fiat models - full list in Compatibility below
Replaced
1.4L Fire (naturally aspirated)
Replaced By
1.4L MultiAir / 1.0L FireFly
Most Common Failure
Turbocharger wastegate rattle and ignition coil pack failure
Reconditioned Price Range
£1,500-£2,800 supply-only
Vetted UK specialists for 198A4.000 replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Fiat Models Use the 198A4.000-
The 198A4.000 T-Jet was Fiat’s primary performance-oriented small petrol engine during the late 2000s and early 2010s, bridging the gap between the sluggish naturally aspirated 1.4 Fire and the more complex MultiAir units across the Punto and Bravo lineups.
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Fiat Punto | 199 / Grande Punto / Evo | 1.4 T-Jet 120 | 2007-2014 | |
| Fiat Bravo | 198 | 1.4 T-Jet 120 / 150 | 2007-2014 |
02
Fiat Bravo
CROSS-BRAND
198A4.000 is documented across 2 BMW applications spanning Fiat Punto, Fiat Bravo. Registration lookup confirms the exact suffix before quotes are sent.
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Prices
Fiat 198A4.000 Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £800-£1,500 | £1,280-£2,140 | 3-6 months |
Reconditioned | £1,500-£2,800 | £1,980-£3,440 | 12-24 months |
Rebuilt | £2,500-£4,000 | £2,980-£4,640 | 12-24 months |
All . Fitted = supply price + labour band below.
Labour Guide
Fitting a 198A4.000 typically takes 8-10 hours at £60-£80/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
When planning a Fiat 198A4.000 engine replacement, the final cost is heavily influenced by whether the turbocharger assembly is included in the supply, and whether a new timing belt kit and water pump have been fitted as part of the reconditioning process. For a full breakdown of market rates across the Fiat range, see our full reconditioned engine cost guide .
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Common Problems
Fiat 198A4.000 Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the 198A4.000, based on real-world data and verified failure patterns.
Verified issue focus: Turbocharger wastegate rattle and ignition coil pack failure.
1. Turbocharger Wastegate Rattle and Failure - 2007-2014 models
1. Turbocharger Wastegate Rattle and Failure - 2007-2014 models
Typical onset:
60,000-90,000 miles
What happens:
The 198A4.000 T-Jet utilises a small, fast-spooling turbocharger. The wastegate arm and pivot pin are prone to wear and carbon buildup, causing a distinct metallic rattle on deceleration. Over time, this leads to wastegate flap looseness, boost control errors, and eventual turbo failure.
Repair vs replace:
Early stages can sometimes be addressed with a wastegate repair kit or actuator adjustment. However, if the turbo shaft is damaged or the housing is cracked, a full 198A4.000 replacement or a complete turbo swap is required.
Read more about this issue
2. Ignition Coil Pack and Spark Plug Degradation
2. Ignition Coil Pack and Spark Plug Degradation
Typical onset:
50,000-80,000 miles
What happens:
The T-Jet engine is sensitive to ignition system wear. Failing coil packs or worn spark plugs lead to cylinder misfires, rough idling, loss of power, and increased fuel consumption.
Repair vs replace:
This is a straightforward and inexpensive fix involving coil pack and plug replacement. It rarely writes off the 198A4.000 engine itself unless prolonged, severe misfiring has caused secondary damage to the catalytic converter.
Read more about this issue
3. Timing Belt Neglect (Interference Engine)
3. Timing Belt Neglect (Interference Engine)
Typical onset:
60,000+ miles (or time-based, typically 5 years)
What happens:
The 198A4.000 is an interference engine. If the timing belt snaps or jumps teeth due to missed service intervals, age-related rubber degradation, or oil contamination, the pistons will strike the open valves, causing catastrophic internal damage.
Repair vs replace:
Preventative replacement is a standard, low-cost maintenance item. A snapped belt almost always necessitates a full 198A4.000 replacement or a highly labour-intensive cylinder head rebuild.
Read more about this issue
The 198A4.000 T-Jet block is fundamentally robust and handles increased boost well. The primary failures are peripheral (turbo wastegate, ignition components, and timing belt neglect) rather than inherent structural flaws, making it a reliable unit when maintained to strict service schedules .
Compare rebuilt 198A4.000 prices with the failure already addressed
Engine Variants
How to Confirm You Have the 198A4.000
The 198A4.000 engine code is physically stamped on a metal tag located on the engine block near the bell housing, but it is most reliably verified via a VIN decoder or by checking the build sheet on your V5C registration document. Owners frequently confuse the turbocharged 198A4.000 T-Jet with other 1.4-litre Fiat variants. Fitting the wrong revision will result in ECU mapping mismatches, incorrect turbo plumbing, and persistent limp mode. Common confusable codes include: - 199A4.000 - The naturally aspirated 1.4L Fire engine (77-90 hp). It lacks a turbocharger, intercooler, and reinforced internals. It is not a straight swap for the 198A4.000. - 198A4.001 - The higher-output 1.4L T-Jet 150 hp variant (primarily in the Bravo). While mechanically similar, it uses a different ECU calibration, turbo actuator, and fuel map. Swapping requires matching the ECU and loom to the donor engine's specification.
Not sure which engine your car has- Enter your registration at the top of the page - our system will confirm your exact 198A4.000 fitment before any supplier quotes are generated.
Easily Confused
1.4L Fire (Naturally Aspirated)
The older, non-turbocharged 1.4L engine that the T-Jet replaced, lacking the reinforced internals and intercooler setup required for forced induction.
Alternative / Next-Gen Code
1.4L MultiAir / 1.0L FireFly
The modern replacements that introduced variable valve lift technology or downsized turbocharging for improved emissions and efficiency, though they lack the simple, robust tuning potential of the 198A4.000.
Related JLR Variants
198A4.001
The higher-output 150 hp variant of the 1.4L T-Jet, primarily fitted to the Fiat Bravo. While it shares the same core block, it uses a different turbocharger actuator, ECU mapping, and fuel delivery calibration, making it a non-straight swap for the 120 hp 198A4.000.
Confirm the exact 198A4.000 fitment
Not sure which engine your car has- Enter your registration at the top of the page - our system will confirm your exact 198A4.000 fitment before any supplier quotes are generated.
Buying Guide
Buying a Replacement 198A4.000 Engine - What to Choose
Choosing the right replacement route depends on your budget, risk tolerance, and ownership goals. Here's a breakdown of your options.
Used:
A used 198A4.000 engine only makes financial sense if it comes with documented proof that the timing belt and water pump have been recently replaced, and that there is no audible turbo wastegate rattle. Without this history, you are simply inheriting a ticking time bomb.
Reconditioned:
A proper 198A4.000 recondition addresses the core wear points of this engine: the block is stripped, the turbocharger is inspected or replaced, and a brand-new timing belt kit and water pump are fitted as standard. This is the most sensible route for a Punto Evo or Bravo.
Rebuilt:
A full 198A4.000 rebuild is typically only justified for the 150 hp Bravo variants where the host vehicle retains a higher market value, or if the engine has already suffered timing belt failure and requires a machined or replaced cylinder head.
Supply & Fit Line:
Our network handles the entire 198A4.000 supply and fit process, including ECU coding and immobilizer alignment, backed by a nationwide 12-month warranty.
Vehicle Value Note:
The 198A4.000 sits in ageing Fiat Punto and Bravo chassis. Typical UK values for these vehicles range from £1,500 to £4,500. Because a reconditioned 198A4.000 supply cost starts around £1,500, the replacement cost frequently approaches or exceeds 50% of the vehicle's total market value. If your Punto or Bravo is showing significant rust, suspension wear, or interior deterioration, evaluate the scrap value first before committing to a replacement.
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Related Engines
Engines Related to the Fiat 198A4.000
Explore engines that are closely related to the Fiat 198A4.000, including its predecessor, successor, and key family variants.
Predecessor
1.4L Fire (Naturally Aspirated)
The older, non-turbocharged 1.4L engine that the T-Jet replaced, lacking the reinforced internals and intercooler setup required for forced induction.
Successor
1.4L MultiAir / 1.0L FireFly
The modern replacements that introduced variable valve lift technology or downsized turbocharging for improved emissions and efficiency, though they lack the simple, robust tuning potential of the 198A4.000.
Sibling
198A4.001
The higher-output 150 hp variant of the 1.4L T-Jet, primarily fitted to the Fiat Bravo. While it shares the same core block, it uses a different turbocharger actuator, ECU mapping, and fuel delivery calibration, making it a non-straight swap for the 120 hp 198A4.000.
Sibling
199A4.000
The naturally aspirated 1.4L Fire engine fitted to the same Punto and Bravo chassis. It is visually similar but lacks the turbocharger, intercooler, and strengthened bottom end, meaning fitting it into a T-Jet host vehicle will result in severe ECU and wiring mismatches.
FAQ
Fiat 198A4.000Frequently Asked Questions
Question 1How much does a Fiat 198A4.000 engine replacement cost-
A reconditioned Fiat 198A4.000 engine costs between £1,500 and £2,800 for supply only, or £1,980 to £3,440 fully fitted by an independent specialist. Used units start around £800 but carry inherent timing belt and turbo risks. Full rebuilds range from £2,500 to £4,000 supply only. Labour typically adds 8-10 hours at £60-£80/hr.
- Used units start around £800 but carry inherent timing belt and turbo risks.
- Full rebuilds range from £2,500 to £4,000 supply only.
- Labour typically adds 8-10 hours at £60-£80/hr.
Question 2What is the most common failure with the 198A4.000 engine-
The dominant failures are turbocharger wastegate rattle and timing belt neglect. The small turbo wastegate pivot pin wears over time, causing a metallic rattle and eventual boost control failure. As an interference engine, a snapped timing belt (typically due to missed 5-year/60,000-mile intervals) causes catastrophic piston-to-valve contact.
- The small turbo wastegate pivot pin wears over time, causing a metallic rattle and eventual boost control failure.
- As an interference engine, a snapped timing belt (typically due to missed 5-year/60,000-mile intervals) causes catastrophic piston-to-valve contact.
Question 3Which Fiat models use the 198A4.000 engine-
The 198A4.000 was fitted to the Fiat Punto (199 / Grande Punto / Evo) and the Fiat Bravo (198) between 2007 and 2014. It produces 120 hp (88 kW) or 150 hp (110 kW) depending on the specific tune. It is a turbocharged petrol engine designed for a balance of low-end torque and reliability.
- It produces 120 hp (88 kW) or 150 hp (110 kW) depending on the specific tune.
- It is a turbocharged petrol engine designed for a balance of low-end torque and reliability.
Question 4Should I buy a used or reconditioned 198A4.000 engine-
A reconditioned 198A4.000 is strongly recommended over a used unit due to the critical nature of its timing belt and turbocharger health. Used engines rarely come with documented proof that the timing belt, water pump, and turbo actuator have been recently serviced or replaced. Reconditioned units are stripped, inspected, and rebuilt with a brand-new timing belt kit, water pump, and verified turbocharger as standard.
- Used engines rarely come with documented proof that the timing belt, water pump, and turbo actuator have been recently serviced or replaced.
- Reconditioned units are stripped, inspected, and rebuilt with a brand-new timing belt kit, water pump, and verified turbocharger as standard.
Question 5How do I know if my car has the 198A4.000 and not the 199A4.000-
The exact engine code is stamped on a metal tag located on the engine block near the bell housing and is definitively listed on your V5C registration document or via a VIN decoder. The 198A4.000 is the 1.4L T-Jet turbocharged variant. The 199A4.000 is the naturally aspirated 1.4L Fire variant. Fitting the wrong revision will result in ECU mapping mismatches, incorrect turbo plumbing, and persistent limp mode.
- The 198A4.000 is the 1.4L T-Jet turbocharged variant.
- The 199A4.000 is the naturally aspirated 1.4L Fire variant.
- Fitting the wrong revision will result in ECU mapping mismatches, incorrect turbo plumbing, and persistent limp mode.
Compare Fiat 198A4.000 Engine Prices Today
Vetted UK specialists who work on the 198A4.000 and Fiat T-Jet family every week Minimum 12-month warranty on every reconditioned and rebuilt 198A4.000 Nationwide delivery - supply-only or full supply & fit available Our free, no-obligation comparison is tailored to your exact 198A4.000 configuration. The registration lookup confirms your precise fitment before any quotes are generated, ensuring you only pay for compatible parts and avoiding costly ECU or turbo plumbing mismatches. With reconditioned 198A4.000 units starting from £1,500, comparing takes two minutes and could save you hundreds on both supply and labour.
Vetted UK Specialists
Vetted UK specialists for 198A4.000 replacements
Minimum 12-Month Warranty
Minimum 12-month warranty on reconditioned and rebuilt options
Nationwide Delivery
Nationwide delivery plus supply and fit availability
Expert Support
Secure enquiry - no spam. Quotes only from vetted UK engine specialists.
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