Buy OEM 2003 Cadillac Part # 15110641 (15068497, 25765990). Lock. Latch. Actuator. (Front). All Models; Left; w/Power Locks; w/o Keyless Entry. Bonneville, LeSabre; w/o Anti-Theft; Left. W/o anti

Exc.Anti-Theft System. Exc.Keyless Entry. 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

All Models; Left; w/Power Locks; w/o Keyless Entry. Bonneville, LeSabre; w/o Anti-Theft; Left. W/o anti theft. W/o keyless entry. W/o remote entry. W/power, w/o remote entry.
Door Lock Actuator - Repair or Replace
Your 2003 Cadillac may need a new door lock actuator if your keyless entry doesn't work or your lock button doesn't lock the doors.