Buy 2003 Audi S8 4.2L V8 A/T Base Sedan Lock. Latch. Door. A4; Left. A8; Left. S4, RS4; Left. S8; Left - OEM Audi Part # 8D1837015F (8D1-837-015-F)

From Chassis/VIN 8D-X-200 001. Mechanism to secure door to chassis. Motor to lock and unlock car door. To Chassis/VIN 4D-3-004 999. To Chassis/VIN 8D-2-010 000. To Chassis/VIN 8D-X-199 999. Vacuum Operated System. Actuator Motor. AND AMPLIFIER; switch.

Door Latch AssemblyDoor Lock Actuator Motor

Fits A4, A8, S4, S8

A4; Left. A8; Left. S4, RS4; Left. S8; Left.
Door Lock Actuator - Repair or Replace
Your 2003 Audi S8 may need a new door lock actuator if your keyless entry doesn't work or your lock button doesn't lock the doors.