OEM Replacement 163-2428 Hydraulic Piston Pump Energy Saving Precise Displacement Easy Installation PRODUCT DESCRIPTION Hydraulic Piston Pump 163-2428 is a high-performance plunger pump specially designed for construction machinery equipment. Adopting precision internal processing technology, it features stable pressure output, excellent wear resistance and reliable anti-leakage sealing structure. It can sustain long-hour continuous heavy-load operation with low vibration and