On traditional "bottom-up" automotive engine coolant systems, the lower hose runs to the water pump's suction side. As on any fluid system, suction results in negative pressure, aka vacuum. The higher ...
Product Name: Water pump hose online 20M x 50mm 2inch BLUE LAY FLAT HOSE WATER PUMP SUBMERSIBLE PUMP HOSE online, Sirius Water Pump Suction Hose Suction Hose Pipes online, SIP 07630 1 1 2 online, ...