Cheap Mazda CX-3 Fuel Injection Pump

The Mazda CX-3 was sold in the UK from 2015 onwards as a single generation, with a facelift arriving for the 2018 model year, so a 2016 pump and a 2019 pump sit either side of that facelift boundary. The engine code is the critical detail here — if both cars share the same engine code (found on your V5 or via a VIN check), the core pump is likely the same unit, but ancillary fittings or mounting arrangements may have changed at the 2018 facelift. Confirm the exact compatibility against your registration with the breaker before buying.

Trim level — whether SE, SE-L, Sport Nav, or GT Sport — does not affect which fuel injection pump is fitted; that is determined entirely by the engine code and fuel type. Both trims can share the same pump provided the engine codes match, so don't let the badge put you off sourcing from a different trim car. Bear in mind you may receive a pump from a car with different interior or exterior finish, but that is purely cosmetic and irrelevant to the part itself.

The engine code is the single most useful piece of information you can supply to a breaker — it tells them exactly which pump was fitted regardless of the model year or trim on the car. For the CX-3, the 1.5 diesel variant is the most common engine requiring a high-pressure injection pump, and the code will be on your V5 logbook or available via a VIN check. Always give the breaker your full registration and engine code so they can verify the pump against their donor vehicle before dispatch.

No — petrol direct-injection pumps and diesel high-pressure injection pumps are entirely different components and are not interchangeable under any circumstances. Always confirm the fuel type of the donor vehicle matches your own before agreeing a purchase with a breaker. Getting this wrong means the part will be completely unusable.

The pump itself is driven by the engine rather than the gearbox, so gearbox type does not directly affect which pump is fitted — the engine code and fuel type are what matter. That said, automatic and manual variants can occasionally have differences in ancillary engine components or ECU calibration, so it is worth confirming with the breaker that the donor car's full specification is compatible with yours via your registration. Never assume fitment is guaranteed without that check.

On some modern Mazda engines the injection pump or its associated components may require coding or pairing to the vehicle's ECU, and this is something you need to confirm with your fitting garage or the breaker before purchase. This is not something Findapart or a breaker can guarantee in advance, as it depends on the specific pump design and your car's immobiliser setup. Raise this with a Mazda specialist or diesel-injection technician so you know what to expect before the part arrives.