Shop 1986 Buick Century Latch. Lock. Actuator. (Rear). Lucerne; Right. Door Lock Actuator - Repair or DOOR, Right, Motor, Doesn - OEM Buick Part # 20790498 (25876454)

Incl.Latch. Mechanism to secure door to chassis. Motor to Lock and unLock car door. Assembly - Side. Controller. Door Motor. Dovetail.

Door Latch AssemblyDoor Lock Actuator Motor

Fits Lucerne

Lucerne; Right.
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.