

The Graco 287816 Pump Rod is a precision OEM piston rod designed for reliable fluid transfer in GH-series sprayers. Ideal for maintaining consistent pressure and performance.
Verified fit for the following Graco gas-hydraulic rigs. Always confirm against your machine’s parts manual/serial range.
The Graco 287816 Pump Rod (also referred to as a piston rod) is a critical internal component of the fluid section that converts drive motion into reciprocating piston movement. Replacing a worn rod restores sealing surface integrity and helps maintain prime, pressure, and spray consistency on compatible GH-series machines.
| Part Number | 287816 |
|---|---|
| Category | Pump / Piston Rod (fluid section component) |
| Fits | GH 230, GH 300 (verify series/serial range) |
| Typical Symptoms Indicating Replacement | Loss of prime, pressure fluctuations, premature packing wear, rod surface scoring. |
| Recommended With | Packing kit, seals, fluid cylinder inspection; replace related wear parts if needed. |
| Notes | Use genuine Graco parts; follow torque/assembly procedures in your unit’s manual. |