Fiat 500C Catalytic Converter Replacement Parts

Yes, all petrol-engined Fiat 500C models are fitted with a catalytic converter as part of the exhaust system — this applies to the 0.9 TwinAir and 1.2 petrol engines sold in the UK. The 500C was not offered with a diesel engine in the UK, so there is no diesel-specific cat or DPF combination to consider on this model. If you are searching for a used cat, make sure you know your engine code before contacting a breaker, as different engines use different systems.

The Fiat 500C has been produced in a single generation running from 2009 onwards, with a facelift in 2015 that brought updated engines including revised TwinAir units and Euro 6 compliance changes. Because the 2015 facelift coincides with a move from Euro 5 to Euro 6 emissions standards, a catalytic converter from a pre-2015 car may not be directly compatible with a post-2015 car even if the engine size looks the same on paper. You should confirm interchange compatibility with the breaker by checking both registrations and engine codes, as fitting the wrong emissions era cat could cause MOT failures.

No, trim level does not affect catalytic converter fitment on the Fiat 500C — Pop, Lounge, Collezione, and other trim grades all use the same exhaust system for a given engine. What matters is your engine code and the emissions era of the car, not what colour or interior specification it has. Always match on engine code first, then confirm with the breaker.

No — the 0.9 TwinAir and 1.2 petrol engines are different units with different exhaust configurations, and their catalytic converters are not interchangeable. Always identify your engine code (visible on the vehicle registration document or stamped on the engine) before asking a breaker for a quote. Supplying the wrong engine code is the most common reason a used cat turns out not to fit.

This spans the 2015 facelift and Euro 6 transition boundary, which makes a direct swap uncertain. The 2014 car will be Euro 5 and the 2018 car Euro 6, and while the engines may share a code in some variants, the catalytic converter specification can differ to meet the different emissions standards. You must confirm with the breaker by providing both registrations and engine codes — do not assume fitment based on engine size alone, as an incorrect emissions era cat could cause your car to fail its MOT.

The Fiat 500C shares its platform, engines, and exhaust architecture with the standard Fiat 500 hatchback, so in principle the catalytic converter from an equivalent engine in the same emissions era may be the same part. However, because catalytic converter and exhaust interchange specifics are strong confirm-with-breaker territory, you should provide both registrations and engine codes to the breaker rather than assuming compatibility. A breaker can cross-reference the part numbers to confirm before you commit to a purchase.