SprayTech 0509148A Piston Assembly (Replaces Part Number 0509148)
Includes: Piston, Outlet Valve Seal, Outlet cage, Outlet Valve ball, Nylon Washer, Outlet Valve Seat and Outlet Valve Retainer
Fits: Advantage GPX 165, LineCrew 1600 Line Striper, GPX 165 Gas Piston Pump, GPX 1600 Gas Piston Pump
