Husqvarna 504117701 Fuel Cap Assembly – Replacement Lawn & Garden Equipment Fuel Tank Cap Component

Part Number: 504117701
Category: Husqvarna Lawn & Garden Equipment Replacement Parts
Type: Replacement Backpack Blower & Brush Cutter Fuel Tank Cap Assembly

The Husqvarna 504117701 Fuel Cap Assembly is a genuine OEM replacement fuel tank cap designed for compatible Husqvarna backpack blowers, brush cutters, and other gasoline-powered outdoor equipment. Manufactured from durable plastic, this cap helps seal the fuel tank opening to prevent fuel leakage and keep dirt, dust, and debris out of the fuel system. Designed for select Husqvarna 130BT, 150BT, 350BT, 350BF, and other compatible models, the Husqvarna 504117701 replaces earlier fuel cap part numbers 521672401 and 544117701. It provides a convenient replacement for cracked, worn, damaged, or missing fuel tank caps during routine equipment maintenance.

Product Specifications

• Part Number: 504117701

• Brand: Husqvarna

• Product Type: Fuel Tank Cap Assembly

• Component Type: Engine Fuel Tank Sealing Component

• Part Classification: Genuine OEM Replacement Part

• Material: Plastic

• Mounting Location: Fuel Tank Opening

• Function: Seals the Fuel Tank to Help Prevent Fuel Leakage and Contamination

• Compatible Equipment: Select Backpack Blowers, Brush Cutters & Earth Augers

• Compatible Brands: Select Husqvarna, RedMax & Jonsered Equipment

• Selected Blower Models: 130BT, 150BT, 180BF, 180BT, 350BF, 350BT, 380BFS, 380BTS & 530BT

• Selected Brush Cutter Models: 243R, 243RJ, 543RS & 543RBX

• Additional Application: Husqvarna 543AE15 Earth Auger

• Replaces Part Numbers: 521672401 & 544117701

• UPC: 705788528073

• Application: Outdoor Power Equipment Fuel Tank Maintenance

• Quantity: 1 Fuel Cap Assembly

• Condition: New

Features & Benefits

• Genuine Husqvarna 504117701 replacement fuel cap assembly

• Designed for compatible Husqvarna backpack blowers and brush cutters

• Helps provide a secure seal around the fuel tank opening

• Reduces the risk of fuel leakage during normal equipment operation

• Helps prevent dirt, dust, and debris from entering the fuel tank

• Durable plastic construction supports reliable everyday use

• Easy-to-install design requires no special tools

• Replaces earlier Husqvarna part numbers 521672401 and 544117701

• Suitable for replacing cracked, worn, damaged, or missing fuel caps

Applications

• Select Husqvarna 130BT and 150BT backpack blowers

• Compatible Husqvarna 180BF and 180BT blowers

• Select Husqvarna 350BF and 350BT backpack blowers

• Compatible Husqvarna 380BFS and 380BTS blowers

• Select Husqvarna 530BT backpack blowers

• Compatible Husqvarna 243R and 243RJ brush cutters

• Select Husqvarna 543RS and 543RBX brush cutters

• Compatible Husqvarna 543AE15 earth augers

• Fuel tank cap replacement and maintenance

• Equipment specifying Husqvarna 504117701 fuel cap assemblies

Important Information

• Verify Husqvarna part number 504117701 before ordering.

• This listing includes one replacement fuel tank cap assembly, not a complete fuel tank.

• Replaces earlier Husqvarna part numbers 521672401 and 544117701.

• Designed for select Husqvarna, RedMax, and Jonsered outdoor power equipment.

• Confirm compatibility using your equipment model number, product number, and serial number.

• Not every Husqvarna backpack blower or brush cutter uses the same fuel cap.

• Specific model revisions may require different fuel tank cap configurations.

• Inspect the fuel tank opening and sealing surfaces for cracks or damage before installation.

• Ensure the cap is securely installed before starting or operating the equipment.

• Replace fuel caps that are cracked, leaking, or unable to maintain a proper seal.

• Allow the engine to cool before refueling or replacing the cap, and follow the manufacturer's fuel handling and safety instructions.