Genuine OEM Audi Front Door Check, part number 4H0837249D. This essential mechanism is installed in the front door assembly to precisely limit the door's opening range, preventing damage to the door or adjacent vehicles. It ensures the door stays open at specific positions for convenience and safety. Measuring approximately 20.5 cm long, 7.5 cm wide, and 3.5 cm high, it provides a perfect fit. Choosing a genuine OEM door check guarantees the correct spring tension, durable materials, and precise mounting points for smooth, reliable operation and long-lasting performance.