Graco 647158 Husky 1050 AL 1 in. (25.4 mm) BSPT Pump, Standard AL Center Section, AC Seats, AC Balls & PTFE Diaphragm 5 x 8 TS Drive is a replacement part Cold Water Washer Extension Drive is a replacement part designed for use with Graco airless paint sprayers Save and upgrade with the following kits: 4 Fluid Outlet Size (mm) 25 Air Exhaust Port Size (in) 3 4 Air Exhaust Port Thread Gender Female Air Exhaust Port Thread Type NPT Air Inlet Size (in) 1 2 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Ball Material Acetal Center Section Material Aluminum Diaphragm Compatible Material PTFE Diaphragm Material PTFE EPDM 2 Piece Fluid Inlet Size (in) 1 Fluid Inlet Thread Type BSPT Fluid Outlet Size (in) 1 Fluid Outlet Thread Type BSPT Fluid Section Material Aluminum Manifold Configuration Center Port