... of mud pumps SHINEQUIP offers a complete line of accessories for OEMfluid end modules :Bolts and nuts ,Thread ring ,Upper and lower ... valve-over-valve design reduces the volume in the fluid end and improves the volumetric efficiency.When you order parts, ... competitive pricing and an outstanding service life. Our parts are for Brewster, Continental Emsco, Ellis Williams, Gaso, Gardner Denver, Liners, ...