1 Ideal for vehicles without ESP-priming, using 1 or 2-tank systems, it is most commonly used on outboard or inboard boat engines 2 Frequently used as a hand pump in boats for fuel supply to the out-board engine 3 Simple and effective tool for priming diesel engines on cars, motorcycles and boats 4 For introducing fuel into the fuel pump after replacement of the fuel filter 5 Connects to most length of hose. One-way only function

What's in the box
1 x Fuel Pump Line Hand Primer Bulb