The HELLA 8XY004729101 is a genuine locking fuel tank cap designed for secure closure of fuel tanks in various commercial and agricultural vehicles. Constructed from durable black plastic, this cap features an outer diameter of 60 mm and an inner diameter of 40 mm, ensuring a tight and reliable seal. It comes supplied with two keys, providing enhanced security against fuel theft and contamination. This HELLA fuel cap is a direct equivalent to several OEM part numbers, offering a high-quality replacement solution.