Genuine OEM Volkswagen Rear Door Catch, part number 10A839249. This door catch, also known as a door check or door retainer, is designed to hold the rear door open at various positions and prevent it from swinging shut unexpectedly. It ensures controlled door movement and prevents damage. Positioned in the rear door assembly, it is made from durable black plastic. Using a genuine OEM door catch ensures proper function, smooth operation, and long-term reliability, maintaining safety and convenience.