Seat Hinge – Mazda (bn5v57540a)

Seat Hinge mounts inside the Mazda door shell and takes the wear that repeated use puts on the door. Genuine Mazda part number bn5v57540a.

Water ingress past a failed seal corrodes the internal linkage, which is why the symptom appears suddenly after a wet season. Trim level affects whether the door carries a sensor, a soft-close or a keyless aerial, so confirm the original part number first.

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

Door Hinges Seat Hinge replacement for Mazda. Cross-check the part number against the component you are removing before ordering.