65640 33260 71 : CYLINDER ASSY, LIFT HOUSING SUB ASSY **Function:** Relief valves typically perform **Function:** Relief valves typically perform the following functions: Control line pressure Minimize liquid waste Return excess liquid back to the source or pump inlet **Applications:** Relief valves are generally used in: Industrial machinery Hydraulic systems Pneumatic systems Process equipment **Features:** While specific features for this model are not explicitly stated High Pressure Fuel Pump : Used primarily in diesel engines to inject fuel into the combustion chamber at high pressure 65640 33260 71 : CYLINDER ASSY