Buy OEM 2000 Buick Part # 13540958 (13539379). Lock. Latch. Actuator. BODY SIDE, black. Corvette; Paint To Match; Right; w/Theft Deterrent. Door Lock Actuator - Repair or Replace

Anti-Theft System. Mechanism to secure door to chassis. Motor to Lock and unLock car door. Door Motor.

Door Latch AssemblyDoor Lock Actuator Motor

Fits Corvette

BODY SIDE, black. Corvette; Paint To Match; Right; w/Theft Deterrent.
Door Lock Actuator - Repair or Replace
Your 2000 Buick may need a new door lock actuator if your keyless entry doesn't work or your lock button doesn't lock the doors.