Graco 17H876 Piston Rod
$557.28
$774.00
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- Genuine OEM Graco Part: Built for precision, durability, and performance.
- Part Number: 17H876 – MaxLife/Vortex piston rod for Graco sprayers.
- Fits: UltraMax II 695/795 ProContractor, GMAX II 3900 ProContractor, TexSpray Mark IV.
- Engineered to ensure smooth, reliable pump operation and longer wear life.
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Graco 17H876 Piston Rod (MaxLife / Vortex)
Compatible Machines
- UltraMax II 695 ProContractor
- UltraMax II 795 ProContractor
- GMAX II 3900 ProContractor
- TexSpray Mark IV (select configurations)
Tip: Always match by model, series, and pump type to confirm fit.
What is the 17H876 Piston Rod?
Graco 17H876 Piston Rod is an OEM replacement rod for the fluid pump on select Graco airless sprayers. It forms the core of the pump’s reciprocating assembly, transferring drive motion to pressurize coating materials. The MaxLife / Vortex treatment helps deliver excellent wear resistance in demanding, high pressure jobs.
- OEM-grade durability and precise fit
- Designed for professional, high-duty cycles
- Supports consistent pressure and smooth spray pattern
Key Details
| Part Number | 17H876 |
|---|---|
| Type | Piston Rod (pump rod), MaxLife / Vortex wear surface |
| Application | Fluid pump assembly for select UltraMax II, GMAX II, and TexSpray models |
| Material / Finish | Hardened rod with enhanced wear-resistant treatment (MaxLife / Vortex) |
| Replaces / Used In | Included in certain repair kits for UltraMax II 695/795 and GMAX II 3900 |
| Packaging | Single piston rod (other seals/packings not included unless stated) |
Why Choose MaxLife / Vortex
- Improved wear resistance vs. standard rods
- Helps maintain pressure consistency and finish quality
- Reduced downtime with longer service intervals
Fitment Tips
- Verify your sprayer’s model, series, and pump version (look at the pump label or parts list).
- If your unit is a ProContractor variant of UltraMax II 695/795 or GMAX II 3900, this is the likely rod.
- For TexSpray Mark IV, check the pump assembly part numbers—some configurations use this rod.
Installation & Maintenance Notes
- Replace rod when you notice scoring, pitting, or pressure instability.
- Pair with fresh packings and seals for best results.
- Lubricate per Graco service manual and torque fasteners to spec.
- Prime and pressure-test with water/solvent before coating.
Frequently Asked Questions
Yes. The 17H876 Piston Rod is used on UltraMax II 695 ProContractor and UltraMax II 795 ProContractor pumps (verify pump version).
Yes. It’s commonly specified for GMAX II 3900 ProContractor pump assemblies. Check your unit’s pump bill of materials to confirm.
Some TexSpray Mark IV configurations use this rod. Confirm by cross-checking your pump assembly or parts list before ordering.
Replace packings, seals, and inspect the piston, cylinder, and check valves. This restores pressure control and extends pump life.
Note: Product details may vary by region or pump revision. Always consult your sprayer’s official parts list to confirm 17H876 is specified for your exact unit.
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