Genuine OEM Volkswagen Slide Guide, part number 3D0877151. This slide guide is an essential part of the sunroof assembly, designed to ensure the smooth and proper movement of the sliding panel. It is typically located within the sunroof track system. Manufactured from durable materials, this genuine OEM part guarantees reliable operation and longevity for your vehicle's sunroof. Proper functioning of slide guides is crucial for preventing binding and ensuring a watertight seal.