Genuine OEM Audi Rear Left Sunroof Glide Piece, part number 4E0877275A. This small component is crucial for the smooth and reliable operation of the sunroof mechanism. It is specifically located on the rear left side of the sunroof assembly. Made from durable, low-friction material, it helps guide the sunroof panel along its tracks. Using genuine OEM glide pieces ensures precise fitment and restores factory-intended sunroof function, preventing binding or damage.