GRACO Q KIT, REPAIR, VALVE, PISTON - (SKU: 249177) Apply lithium-based grease to the

Apply lithium-based grease to the shaft u-cups and the length and ends of the diaphragm shaft before sliding the shaft into the housing

ensuring optimal performance and reducing wear

associated O-ring provides reliable sealing

which requires chemical resistance

GRACO Q KIT, REPAIR, VALVE, PISTON - (SKU: 249177) Apply lithium-based grease to theThe GRACO 249177 is a genuine OEM piston valve repair kit designed for use in GRACO air operated double diaphragm (AODD) pumps and sprayers. It is intended to restore or maintain the function of the piston valve assembly within compatible GRACO equipment. The specific material composition is not detailed in available listings, but typical GRACO piston valve components may include stainless steel, PTFE, and other engineered materials for durability and