Genuine OEM Volkswagen Rear Door Check, part number 2G4839249A. This mechanism is designed to control the opening and closing of the door, preventing it from swinging too wide and holding it securely in intermediate open positions. It is installed internally within the rear door structure, connecting the door panel to the vehicle's body. Weighing approximately 0.17 kg, it is constructed for robust operation and long-term reliability. Choosing a genuine OEM door check ensures precise fitment, correct tension, and durable materials, which are essential for smooth door operation and preventing damage to the door or hinges.