Description: This fuel pump is used to transfer petrol or diesel comes with a one way valve installed to help prime the fuel system quickly. It is a ideal tool for vehicles without ESP-priming, using 1 or 2 tank systems, and most commonly used on outboard or inboard boat engines. Made of best rubber and aluminum material, quality and performance guaranteed Don't miss it Features: Ideal for vehicles without ESP-priming, using 1 or 2-tank systems, it is most commonly used on outboard or inboard boat engines. Frequently used as a hand pump in boats for fuel supply to the out-board engine. Simple and effective tool for priming diesel engines on cars, motorcycles and boats. 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: Material: Rubber & Aluminum Color: Black Size(L x W): 150 x 43mm/5.9" x 1.7" Input Connectors: 12mm/(1/2") Item Quantity: 1 pc Package Weight: Approx. 80g Fitment: Universal for most cars, motorcycles and boats. Package Included: 1 x Fuel Pump 1Ideal for vehicles without ESP-priming, using 1 or 2-tank systems, it is most commonly used on outboard or inboard boat engines 2Frequently used as a hand pump in boats for fuel supply to the out-board engine 3Simple and effective tool for priming diesel engines on cars, motorcycles and boats 4For introducing fuel into the fuel pump after replacement of the fuel filter 5Connects to most length of hose. One-way only function