Shop Audi A5 Lock. Latch. Motor. Door. A8 & S8, w/o close assist. A8, S8; w/o Closing Aid; Right. A8L Assist, Right, Close - OEM Audi Part # 4E0839016J (4E0-839-016-J)

Exc.Power Door Assist. Mechanism to secure Door to chassis. Motor to Lock and unLock car Door. Actuator. AND Amplifier; switch.

Door Latch AssemblyDoor Lock Actuator Motor

Fits A8, S8

A8 & S8, w/o close assist. A8, S8; w/o Closing Aid; Right. A8L, w/o close assist.
Door Lock Actuator - Repair or Replace
Your may need a new door lock actuator if your keyless entry doesn't work or your lock button doesn't lock the doors.