Door Check – Mazda (bp4k72270h)

Door Check mounts inside the Mazda door shell and takes the wear that repeated use puts on the door. Genuine Mazda part number bp4k72270h.

Water ingress past a failed seal corrodes the internal linkage, which is why the symptom appears suddenly after a wet season. Front and rear doors use different part numbers even when the handle or hinge looks identical.

Check the door alignment after fitting, as a worn part often masks a hinge that also needs adjustment.

Door Check Straps Door Check replacement for Mazda. Cross-check the part number against the component you are removing before ordering.