Used Alfa Romeo MiTo Catalytic Converter

Yes, all petrol-engined MiTo variants have a catalytic converter as part of the exhaust system — it is fitted on every petrol engine across the range, from the 1.4 naturally aspirated units through to the turbocharged MultiAir engines. Diesel MiTo models use a different emissions setup centred on a diesel particulate filter (DPF) and diesel oxidation catalyst (DOC), so if you drive a diesel MiTo the standalone catalytic converter is not what you are looking for. If you are unsure which setup applies to your car, check your V5C for the fuel type and engine code before contacting a breaker.

The MiTo ran from 2008 to 2018 with a notable refresh around 2013, and although some engines carried across that boundary the emissions calibration and exhaust system specifications could differ between the two periods — particularly as Euro 5 and then Euro 6 rules tightened requirements for catalytic converter efficiency. A unit from the wrong emissions era may not fit correctly or could cause a failure on your MOT emissions test even if it bolts on physically. You must confirm interchange across the 2013 boundary directly with the breaker, quoting your exact engine code and registration.

Trim level does not affect which catalytic converter you need on the MiTo — what matters is the engine code and fuel type, not whether the car is badged Junior, Distinctive, Sprint, or Veloce. The one practical exception is that the high-performance Cloverleaf and later Quadrifoglio Verde variants use the more powerful turbocharged 1.4 MultiAir engine, which may have a different exhaust specification to the standard 1.4 turbo, so engine code is still the key detail. Tell the breaker your engine code (found on your V5C or stamped on the engine) and your registration, and trim name alone will not be enough.

These are different engine variants with different exhaust system layouts, so the catalytic converter from a 1.4 turbocharged MiTo is unlikely to be a direct swap onto a 1.4 naturally aspirated model or vice versa. Always quote your specific engine code to the breaker rather than just the displacement, as the code will confirm exactly which variant you have. Confirm compatibility directly with the breaker before purchasing, as fitment specifics for catalytic converters are strong confirm-with-breaker territory.

Diesel MiTo models do not use a conventional catalytic converter in isolation the way petrol models do; instead, the diesel exhaust system centres on a diesel oxidation catalyst (DOC) combined with a diesel particulate filter (DPF), and these are the components to ask a breaker about if you have a diesel. Make sure you give the breaker your engine code and registration so they can identify the correct diesel exhaust assembly for your car. Confirm all compatibility details directly with the breaker, as DPF and diesel catalyst interchange specifics vary and are strongly confirm-with-breaker territory.

The catalytic converter must match your car's engine code and emissions era — a unit from an earlier Euro standard fitted to a later car can result in an MOT failure on the emissions test even if it physically fits. Always give the breaker your full registration and engine code so they can match the correct emissions-era part, and ask them to confirm the part number against your car's specification before you buy. Because catalytic converter interchange specifics are complex and vary by engine and year, you should confirm all fitment details with the breaker rather than relying on visual similarity alone.