Description
OEM Mazda3 Right Rear Door Lock Actuator
This is a genuine used OEM right rear door lock actuator (latch assembly) for the 2004-2009 Mazda3 (BK chassis, sedan and hatchback). Tagged and verified as the right rear position when pulled.
What’s Included
- Right rear door lock actuator / latch assembly
- Exterior door handle linkage rod (as pictured)
Fitment
Fits 2004-2009 Mazda3 sedan and hatchback (BK chassis), right rear door, on models equipped with power door locks.
OEM Part Number
BP4K72 (BP4K-72-310 series)
Condition
Pulled from a used vehicle and tested for lock/unlock function before listing. Please see photos for actual cosmetic condition.
Installation
Direct plug-and-play replacement for your factory unit.
Check Before You Order
Please confirm your door lock actuator is on the passenger (right) side before ordering — Mazda used mirrored left and right part numbers (BP4K72 = right, BP4K73 = left) that are not interchangeable.
Why Buy From Grid Werks Automotive
We inspect and test every part before it’s listed, and we’re happy to answer fitment questions before you order — just message us.







