Genuine OEM Volkswagen Stop Buffer, part number 2K7843185C. This buffer acts as a cushion to absorb impact and prevent excessive movement or noise when the sliding door is closed or opened to its limits. It is located at position 11 in the sliding door assembly. The part is made of rubber and measures 0.087m long, 0.046m wide, and 0.036m high. Genuine OEM stop buffers ensure precise fitment and durability, preventing premature wear and noise in the door mechanism.