Graco Paint Sprayer Pump Piston Rod - 243179
The piston rod connects the internal parts to the motor and gear box. On the rods upstroke, it draws paint into the chamber, and on the down stroke it pushes the paint into the hose.
For use with these airless paint sprayers:
| Airless Sprayer | Sprayer Model No. | Series Letter | Fluid Section |
|---|
| DT | 234139 | | 243187 |
| 230 ES (Home Depot Rental) | 246737 | | 243187 |
| SP | 826031 | | 243187 |
| ST | 234127 | | 243187 |
| 190 ES (Home Depot Version) | 232900 | A,B,C,D,E,F | 243187 |
| 190ES | 232901 | A,B,C,D,E | 243187 |
| 190ES | 233797 | A,B,C,D,E | 243187 |
| 190 ES HiBoy | 233815 | A,B,C,D,E | 243187 |
Graco 
Chicago Pneumatic 
Ingersoll-Rand 
Titan Tool, Inc. 
BE Pressure Supply Inc. 
Rol-Air 
Pneumatech 
Summit Lubrication 
BEKO Technologies 
Legacy FlexZilla 
COXREELS 
Milton Industries 
Belair Technologies LLC 
Parker-Hannifin Corporation 
Powerex 
RapidAir 
Eaton 
Miscellaneous 
SPX Hankison 
Binks 
Wagner / Spray Tech CapSpray 
Campbell Hausfeld 