For 50cc-150cc QMB139/GY6 engines Three hose connectors Filter & hose included Save money Our stock fuel pump for 50cc-150cc QMB139 / GY6 go-kart and scooter engines features two brass and one aluminum hose connectors The low-pressure mechanical fuel pump is mounted outside the fuel tank, and transfers fuel from the tank to the engineDescription Our stock fuel pump for 50cc-150cc QMB139 / GY6 go-kart and scooter engines features two brass and one aluminum hose connectors. The low-pressure mechanical fuel pump is mounted outside the fuel tank, and transfers fuel from the tank to the engine. This 3-piece part comes with the pump, the fuel filter, and hose as pictured. ? WARNING California Residents: Proposition 65 Warning Specifications Fuel Filter Hose Dimensions: 8 mm OD, 5 mm ID, 100 mm length