URO 51 21 8 402 537 Front Left Door Lock Actuator Mechanism

The URO 51 21 8 402 537 is a front left (driver side) door lock actuator mechanism, also referred to as a door latch assembly or power door lock actuator. This component is responsible for the powered locking and unlocking of the front driver-side door, integrating the latch, lock, and actuator motor into a single assembly for reliable, seamless door security.

URO Parts is a well-established supplier of European vehicle replacement parts, offering quality aftermarket alternatives engineered to meet or exceed original equipment specifications. This door lock mechanism is designed as a direct-fit replacement, restoring proper door lock function without the need for modification.

Key Features:

• Replaces OEM part number 51 21 8 402 537 (also formatted as 51218402537)
• Front left / driver-side door lock actuator and latch assembly
• Integrated design combines latch, lock, and actuator motor in one unit
• Direct-fit replacement engineered to OEM specifications
• Restores powered door locking and unlocking operation
• Compatible cross-references: 937-856
• Related positions also available: Front Right (51218402540), Rear Left (51228402601), Rear Right (51228402602)

This part is a dependable solution for resolving common door lock failures such as doors that will not lock or unlock, inconsistent power lock response, or a latch that fails to engage properly. Installation uses the factory self-tapping bolts; the replacement unit does not come with pre-formed bolt threads, which are created when the original bolts are reinstalled.