Shop 1999 Buick Century Lock. Latch. Actuator. (Front). CT5; w/o Anti-Theft; Right. W/o anti theft. Door, Anti, Right, Theft - OEM Buick Part # 13540963 (13539384)

Exc.Anti-Theft System. Includes Door Lock. Mechanism to secure Door to chassis. Motor to Lock and unLock car Door. Assembly - Side. Door Motor.

Door Latch AssemblyDoor Lock Actuator Motor

Fits CT5

CT5; w/o Anti-Theft; Right. W/o anti theft.
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.