This Graco Husky Air Kits includes (1) nitrile O-ring, (2) Packing U-cups, (2) Buna-n O-rings, (1) Pilot block, (1) Valve plate seal and (1) Gasket cover for replacement materials in your diaphragm pump.
Graco Kit # 236273 includes the following Ref No/ Item #'s : 4/#188618, 6/#108730, 7/#188616, 9/ #188617, 2 of 10/#112181, 2 of 17/#157628, 18/ #188614