Graco 249001 Pump Piston Rod
$508.32
$706.00
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The Graco 249001 Pump Piston Rod is a genuine OEM replacement part designed for high-pressure gas-hydraulic sprayers. It ensures smooth piston motion and maintains pump efficiency.
- Part Number: 249001
- Compatible Models: GH230 & GH300 (2nd/3rd Series)
- Used In Pump Assemblies: 24W997, 248736
- Material: Precision-ground hardened steel
- Purpose: Connects drive to fluid piston for consistent pressure
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Genuine OEM Part
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Graco 249001 – Pump Piston Rod (OEM)
Compatible Machines
The Graco 249001 Pump Piston Rod is used in the following gas-hydraulic Graco sprayer families (verify generation/serial in your parts manual):
- Graco GH230 – 2nd & 3rd Series (e.g., Standard/ProContractor, including models such as 24W929, 24W930)
- Graco GH300 – 2nd & 3rd Series (e.g., Standard/ProContractor, including models such as 24W935)
Product Overview
The Graco 249001 Pump Piston Rod is a precision-ground drive component that links the drive system to the fluid section piston in high-pressure, airless applications. A straight, hardened rod preserves seal life, maintains alignment, and sustains consistent pressure output in demanding duty cycles.
Key Benefits
- OEM fit & finish for correct alignment and long packing life.
- High-strength construction to withstand continuous high-pressure cycling.
- Restores spray performance when a worn or scored rod causes pressure loss or leaks.
Technical Details
| OEM Part | 249001 (Pump Piston Rod) |
|---|---|
| Sprayer Families | GH230 (2nd/3rd Series), GH300 (2nd/3rd Series) |
| Associated Pump Modules | 24W997, 248736 (check your IPB for exact assembly) |
| Function | Connects drive to fluid piston; enables high-pressure displacement |
| Typical Material | Precision-ground, hardened steel (OEM-grade) |
| When to Replace | Visible scoring, corrosion, uneven wear, packing failure, pressure loss, or rod misalignment |
Installation & Care
- Inspect old rod for scoring before re-packing; replace if damaged.
- Follow the sprayer service manual for rod alignment, pin orientation, and torque procedures.
- Use clean assembly lube and keep the packings/seals properly lubricated.
- After install, pressure-test and check for leaks and smooth stroke.
Frequently Asked Questions
Check your sprayer’s series (2nd/3rd), the pump assembly installed (e.g., 24W997, 248736), and your exact model/serial in the Graco parts manual or IPB. If your sprayer is within the GH230 or GH300 families listed above and uses those pump modules, 249001 is the correct rod.
Loss of pressure, uneven stroke, frequent packing failures, leakage at the fluid section, or visible scoring/corrosion on the rod surface are common indicators.
This listing is for the OEM Pump Piston Rod (249001). Some assemblies or aftermarket kits may include additional hardware; refer to the item’s components list or your parts manual if you require a rod-and-pin kit.
249001 is the piston rod itself. Assemblies like 24W997 are complete pump modules (fluid sections) that contain multiple parts—including a rod—specified for the sprayer family/series.
Keep the rod and packings clean and lubricated, follow torque specs and alignment steps from the manual, and replace worn seals/packings together with the rod if scoring is present. Always pressure-test before returning to service.
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