Shop Buick Century Lock. Latch. Actuator. (Front). Silverado, Sierra; w/o LT, SLT; w/o All Terrain Pkg Entry, Keyless, Pkg - OEM Buick Part # 25876383 (20783847, 25789369, 25863020, 25945749)

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

Door Latch AssemblyDoor Lock Actuator Motor

Fits Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Silverado

Silverado, Sierra; w/o LT, SLT; w/o All Terrain Pkg; Right; w/Keyless Entry. W/keyless entry. W/power locks, w/o SLT pkg, w/keyless entry.
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.