Husqvarna 504117701 Leaf Blower Fuel Tank Cap Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 350BT Fuel tank cap 504117701 covers and protects the opening in the fuel tank Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna This fuel tank cap (part number 504117701) is for leaf blowers Wear work gloves to protect your hands when installing this part