Mazda CX-3 EGR Valve Replacement Parts

Yes, but only on diesel variants — the CX-3 was sold in the UK with a 1.5-litre diesel engine (engine code S5-DPTS), and like all diesel engines of its era it uses an EGR (exhaust gas recirculation) valve to reduce NOx emissions. The petrol CX-3 variants (1.5 and 2.0-litre) do not have an EGR valve, so if you drive a petrol CX-3 this is not the part you need. Always check your V5 or confirm the fuel type before searching.

The Mazda CX-3 was launched in 2015 and received a facelift in 2018, which brought updates including emissions and engine management changes that can affect EGR valve specification. Both pre-facelift (2015–2017) and post-facelift (2018 onwards) diesels use the 1.5-litre S5-DPTS unit, but whether the EGR valve itself interchanges across that 2018 boundary is something you should confirm with the breaker against your exact registration and engine code — a visually similar part from the wrong emissions era may not perform correctly or could affect your MOT.

No — trim level has no bearing on EGR valve fitment on the CX-3; trims like SE, SE-L, Sport Nav, and GT Sport all share the same 1.5-litre diesel engine and exhaust/emissions hardware regardless of their equipment level. The part that matters is the engine code and the emissions specification tied to the car's year of registration, not how the interior or exterior is finished. Give the breaker your registration number and engine code to confirm the correct part.

The key details are your engine code (S5-DPTS on the 1.5-litre diesel), your year of registration, and ideally the Euro emissions standard your vehicle was registered to — Euro 6 models from 2018 onwards may have a different EGR specification to earlier Euro 5 cars. You can find the engine code on your V5 logbook or on a plate in the engine bay, and a good breaker will cross-reference this against their donor vehicle to make sure the part matches. Always quote your full registration when requesting a quote on Findapart.

The 1.5-litre diesel engine used in the CX-3 is also found in other Mazda models of the same era, so there is a possibility of cross-model compatibility, but EGR valve specifications can differ depending on how the engine is tuned or mapped for each vehicle and its emissions calibration. This is firmly confirm-with-the-breaker territory — provide them with the engine code and registration for both vehicles and let them verify the part numbers match before purchasing. Never assume fitment based on engine displacement alone.