Graco 288103 Piston Rod Repair Kit
$514.80
$715.00
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The Graco 288103 Piston Rod Repair Kit is a genuine OEM replacement designed for heavy-duty airless sprayers. Built with a Chromex-treated rod for durability and smoother operation.
- Part Number: 288103
- Fits: TexSpray Mark X, TexSpray 7900 HD, GMAX II 7900 HD
- Function: Connects the drive to the fluid section for even spray pressure
- Material: Hardened Chromex steel
- Type: OEM Graco replacement kit
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatibility & Quick Specs
Compatible Machines
The Graco 288103 Piston Rod Repair Kit fits the following sprayers:
- TexSpray Mark X (e.g., 16W908 Mark X TexSpray Standard)
- TexSpray 7900 HD (e.g., 16W890 7900HD Standard; 258735 7900HD Complete)
- GMAX II 7900HD
What This Part Does
The 288103 is an OEM piston rod repair kit for heavy-duty Graco airless sprayers. The piston rod links the drive to the fluid section, delivering consistent pressure and flow on each stroke. Using a genuine rod helps maintain pump efficiency, reduce wear on packings, and extend service life under high-output texture/paint applications.
Key Specifications
| OEM Part # | 288103 |
|---|---|
| Part Type | Piston Rod Repair Kit (rod assembly for the pump’s fluid section) |
| Typical Series | TexSpray Mark X, TexSpray 7900 HD, GMAX II 7900HD |
| Construction | Chromex-treated rod (durable, wear-resistant surface for long life) |
| What’s Included | Factory piston rod assembly. Packings/seals are serviced separately unless noted by your pump kit. |
| Cross Reference | Aftermarket equivalents may exist (e.g., supplier cross-refs). Verify fit before use. |
When Should You Replace the Piston Rod?
- Visible scoring, pitting, or chrome wear on the rod surface
- Frequent packing failures or persistent pressure fluctuations
- High-hour units undergoing a complete fluid section overhaul
Installation Notes
- Depressurize, disconnect power, and follow all safety procedures.
- Disassemble the fluid section per the service manual; remove the worn rod.
- Inspect/replace packings and seals if required; lubricate as specified.
- Install the new 288103 rod; apply proper torque values.
- Prime with compatible fluid, check for leaks, and verify smooth operation.
Frequently Asked Questions
It fits many TexSpray Mark X, TexSpray 7900 HD, and GMAX II 7900HD configurations. Always confirm your exact model/serial against the parts breakdown for your unit before ordering.
Inspect and typically replace packings, seals, and any worn check balls/seats. A clean, undamaged rod and fresh packings dramatically improve pump life and sealing.
Yes—this kit uses a Chromex (hardened, wear-resistant) rod surface commonly specified for high-duty Graco pumps to extend durability and reduce packing wear.
Locate the stamped model/serial on the frame or control box, then use the official parts manual for your sprayer. If unavailable, compare your pump’s fluid section assembly number to confirm.
It’s not recommended. A worn or scored rod will quickly damage new packings. Replace the rod if any defects are present to ensure proper sealing and longevity.
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