The O-ring is designed for easy installation and replacement

you most likely will need to replace the diaphragms

045 Maximum Working Pressure (kPa) 34500 Maximum Working Pressure (psi) 5000 Maximum Working Pressure (bar) 345 Type Spray Tip Maximum Fan Width (in) 10 Maximum Fan Width (mm) 305 Spray Pattern Fan Tip Type Airless Pattern Size (in) 10 to 12 Maximum Flow Rate (GPM) 2

This is a high quality economically priced

This repair kit helps restore the efficiency and functionality of the gear assembly

Graco 25V243 QUANTM h30 Complete Fluid Repair Kit with SS Seat, SP Ball, SP Diaphragm and EP Seal CFM_16.10 at 40 PSI The O-ring is designed for