Pump parts Pump parts and accessories are components and devices used in the construction of pumps. Pump parts and accessories include gas pump parts, water pump parts, and sump pump parts. Others are the shaft and impeller. Based on our die casting workshop and precision maching equipments, we manufactures pump parts, such as pump body, pump impeller ect. The materials can be cast iron or nodular cast iron for the pump body;plastic, cooper , cast iron or stainless steel for impeller.