A power end assembly is the driving force behind pump performance, housing the key mechanical components responsible for converting motor power into rotational energy. Designed to support consistent operation, the power end assembly works to efficiently trasnfer energy to the pump's internal components, enabling smooth fluid movement throughout the system. This assembly includes: diffuser screws (3 pack), diffuser O-ring, diffuser, impeller, housing O-ring, Viton® shaft seal assembly, seal plate, motor bolt (4 pack), motor and drive.