

OEM upper fluid piston designed for Graco T3 transfer pumps, helping maintain efficient fluid displacement and consistent pumping performance.
| Machine / Equipment | Compatibility Information |
|---|---|
| Graco T3 Transfer Pump | Designed for use as the PISTON, UPPER FLUID, T3 within compatible T3 fluid section assemblies. |
| Graco T3 Pump Assemblies | Compatible with T3 pumps requiring OEM replacement part number 17R427. |
| Graco T3 Lower Pump Rebuild Configurations | Used during maintenance and service procedures involving upper fluid section component replacement. |
The Graco 17R427 Piston, Upper Fluid, T3 is a genuine OEM replacement component engineered for the upper fluid section of compatible Graco T3 transfer pumps. It plays a critical role in fluid displacement and pump cycling, helping maintain efficient material transfer and consistent operating performance.
As an integral part of the pump's fluid section, the PISTON, UPPER FLUID, T3 contributes to proper sealing, fluid movement, and overall pumping efficiency. Replacing worn piston components can help restore performance and reduce unnecessary equipment downtime.
Manufactured to original Graco specifications, this replacement piston provides dependable fitment and long-term durability for maintenance, repair, and professional pump rebuild applications.