Back Door – Nissan (90100-3KR1A)

Back Door is part of the door assembly on your Nissan and carries load every time the door is opened, closed or locked. Genuine Nissan part number 90100-3KR1A.

Water ingress past a failed seal corrodes the internal linkage, which is why the symptom appears suddenly after a wet season. Door hardware is handed — left and right are different parts. Check the side marked on the listing against the door you are repairing.

Access is from inside the door, so removing the trim panel is part of the job — order new panel clips if the originals are brittle.

Doors Back Door replacement for Nissan. Cross-check the part number against the component you are removing before ordering.