Graco 16Y598 Endurance Chromex Piston Pump, part number 16Y598. Graco Endurance replacement piston (displacement) pump / lower for airless paint sprayers. 3300 psi maximum working pressure. Fluid inlet 1 5/16 in Male UN; fluid outlet 3/8 in Female NPT. All values read from the Graco product page (16Y598 on graco.com).
| Brand | Graco |
| Line | Endurance |
| Model | Endurance |
| Part number | 16Y598 |
| Fluid Inlet Size (in) | 1 5/16 |
| Fluid Inlet Thread Gender | Male |
| Fluid Inlet Thread Type | UN |
| Fluid Outlet Size (in) | 3/8 |
| Fluid Outlet Thread Gender | Female |
| Fluid Outlet Thread Type | NPT |
| Maximum Working Pressure (psi) | 3300 |
| Type | Replacement Pump |
| Pressure rating | 3300 psi max working |
| MOQ | 1 |
Endurance replacement pumps are displacement lowers fitted to Graco airless sprayers. Match the pump to the host sprayer model and production year; confirm fluid outlet size and thread before ordering.