This genuine Stihl fuel filler cap is designed to provide a secure seal for the fuel tanks of many Stihl petrol-powered machines. Manufactured from durable, chemical-resistant polymer and equipped with an integrated sealing gasket, it helps minimize fuel leaks, vapour loss, and contamination. The practical screw-on design features an easy-grip profile for convenient installation and removal by hand, even when wearing gloves. Suitable for a wide range of compatible Stihl equipment, including chainsaws such as the MS 360 and MS 391, this OEM replacement helps maintain safe, reliable operation for both professional and residential users.