Original equipment manufacturer's parts kit for repairing Solo backpack sprayers with piston pumps. Accept no imitations. Only original equipment parts and accessories are made to the uncompromising standard set by Solo. Complete replacement piston pump assembly with regulator valve models: 425, 425-101, 425-Deluxe, 473-P and 435.Solo original equipment parts and accessories.Complete Piston Pump Assembly with pressure control valve.Fits Solo 425-DELUXE, and 425-PROF.
