This is Graco Air Pro Air Cap Kit (13a-13c) 1

Graco Pump Cylinder for an UltraMax & Ultimate MX 1595

The 17F596 Air Motor Assembly Kit from Graco that includes:

Graco 116395 Fitting

795 / GMAX II 3900 (ProContractor Series) QuikPak Pump Packing Repair Kit – 17H841

2500 PSI @ 3.5 GPM Horizontal Triplex Plunger Pressure Washer Pump 14.3 CFM This is Graco Air ProAnnovi Reverberi AR XMA35G25E F17 horizontal gas engine triplex plunger pump is rated up to 3. 5 GPM at max 2500 PSI at 1750 RPM using a 1 2 F inlet and 3 8"F discharge thread. E version 1 ? with a gas engine flange. Max GPM 3. 5 Max L Min 13. 2 Max PSI 2500 MaxBar 170 Power EBHP 6 Bore Dia mm 15 Stroke mm 15. 4 Crankshaft ID Stamp 1 Inlet 1 2" F Outlet 3 8" F Max Temp 140 F Oil Capacity (oz) 14. 5 Weight 15 RPM 1750 Shaft Size 1 1 8" Shaft Version E