Shop 1999 Buick Century Lock. Actuator. Latch. (Front). Cobalt; Coupe; Right. COUPE, w/keyless entry. G5 Door, Entry, Keyless - OEM Buick Part # 25938086

Incl.Latch. 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 Cobalt, G5

Cobalt; Coupe; Right. COUPE, w/keyless entry. G5; Power; 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.