This is a Marine Fuel Line Assembly. It is made of alcohol resistant material. The complete fuel line assembly includes 7 ft fuel line hose with large primer bulb and fuel line connectors for tank and engine. The rubber primer bulb and hose provide greater fuel flow to maximize performance. It is compounded to accommodate today's alcohol-enriched gasoline blends. It is compatible with the Ethanol blended fuels fully as well. Don't miss it! Features: Frequently used as a hand pump in boats for fuel supply to the out-board engine. For introducing fuel into the fuel pump after replacement of the fuel filter. For Transfer petrol, diesel, oil, water etc. Connects to most length of hose. One-way only function. Made of best rubber and aluminum material, durable, oil proof and aging resistance. Specifications: Condition: 100% Brand New Material: Rubber & Aluminum Color: Black Total Length: 21cm/8.3in Tube Inner Diameter: 8mm Package Weight: Approx. 413g Fitment: For Yamaha Yum Outboard Engine Package Included: 1 x Fuel Pump