Alfa Romeo MiTo Oxygen Sensor Replacement Parts

Yes, petrol-engined MiTo models are fitted with lambda (oxygen) sensors as part of the exhaust management system, typically one upstream of the catalytic converter and one downstream. Diesel MiTo variants use different exhaust aftertreatment logic and do not use oxygen sensors in the same way, so if you have a diesel MiTo you are unlikely to need one. If you are unsure whether your car is petrol or diesel, check your V5C or registration plate history before ordering.

The MiTo ran from 2008 through to 2018, with a facelift in 2013, and that 2013 facelift boundary is worth noting because emissions calibration and engine management can differ across it. Both the pre-facelift (2008–2012) and post-facelift (2013–2018) cars share some engine codes such as the 1.4 TB, but whether the sensor itself interchanges cleanly across that boundary depends on the exact engine code and emissions standard — confirm this with the breaker against your registration before buying.

Trim level — whether Progression, Sprint, Distinctive, Veloce, or Cloverleaf — does not affect which oxygen sensor is fitted; what matters is the engine code and emissions specification. A Veloce and a Progression both running the same 1.4 TB engine code on the same emissions standard will use the same sensor. Bear in mind the breaker's car may have a different colour or interior to yours, but that has no bearing on sensor fitment.

Yes, the engine code is one of the most important factors — the MiTo was offered with several petrol engines including the 1.4 naturally aspirated and the 1.4 TB (turbocharged) in different states of tune, and these can have different sensor specifications. Sensors are mapped to the engine management system, so fitting one from a different engine code risks poor running or a persistent fault light. Always give the breaker your full registration so they can match the engine code exactly.

Yes, the emissions era matters because sensor calibration is tied to the engine management and exhaust system of that standard — a Euro 5 and Euro 6 car running nominally similar engines can require different sensors. The MiTo transitioned to Euro 6 compliance in the later years of production, so a sensor from an earlier Euro 5 car may not be a direct fit for a later car even if the engine code looks the same. Check the emissions standard on your V5C and confirm it with the breaker before purchasing a used sensor.

The gearbox type does not affect which oxygen sensor is fitted; the sensor is part of the exhaust and engine management system, not the transmission. What matters is matching the engine code and emissions specification, regardless of whether the donor car had a manual or TCT twin-clutch gearbox. Focus your questions to the breaker on the engine code and model year rather than the gearbox.