Graco 17H877 Piston Rod
$637.20
$885.00
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- Part: Graco 17H877 Piston Rod – Genuine OEM replacement.
- Function: Maintains spray pressure and pump efficiency in airless sprayers.
- Compatible With: UltraMax II 1095 / 1595 and GMax II 5900 ProContractor models.
- Highlight: High-strength, precision-machined design ensures consistent performance and long service life.
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Genuine OEM Part
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Overview & Compatibility - Graco 17H877 Piston Rod
Compatible Machines
- Ultra Max II 1095 ProContractor (2019 & newer)
- Ultra Max II 1595 ProContractor (2019 & newer)
- GMAX II 5900 ProContractor (2019 & newer)
- TexSpray Mark V ProContractor (on units equipped with Pump 17H824)
What is the Graco 17H877 Piston Rod?
The 17H877 is the OEM piston rod used inside Graco’s Endurance Vortex pump assembly (Pump 17H824). It restores smooth pressure delivery, reduces pulsation, and maintains consistent spray patterns on high-output sprayers listed above.
Quick Facts
| OEM Part Number | 17H877 |
|---|---|
| UPC / GTIN | 755652851523 |
| Works With Pump | 17H824 Endurance Vortex MaxLife Pump (factory fit on models above) |
| System Rating (pump) | Up to 3300 psi (per 17H824 pump specification) |
| Typical Use | Professional airless spraying of paints, primers, elastomerics & coatings |
| Related Service Kit | QuikPak Pump Repair Kit 17H842 (for 1095/1595 & GMAX II 5900 ProContractor) |
Why choose the genuine rod?
- • Designed for the Endurance Vortex rotating-rod system for even wear and long life
- • Maintains pressure stability for consistent finish quality
- • Direct OEM fit in Pump 17H824—no modification required
Confirming Fitment
Check your sprayer’s model/series and pump tag. If your unit is an Ultra Max II 1095 or 1595 ProContractor, or a GMAX II 5900 ProContractor (2019+), it should be equipped with Pump 17H824. Some TexSpray Mark V ProContractor units also use 17H824 to verify before ordering.
Installation Tips
- Relieve pressure and follow lock-out procedures before service
- Inspect piston valve, packings, and cylinder and replace worn items with the correct kit (17H842 for the models above)
- Lubricate per Graco guidelines and prime on water/solvent to verify smooth operation
Frequently Asked Questions
No. 17H877 is the rod only. For packings and valve components, use the appropriate QuikPak kit such as 17H842 for the listed sprayers.
Ultra Max II 1095 & 1595 ProContractor (2019+), GMAX II 5900 ProContractor (2019+), and selected TexSpray Mark V ProContractor units that are equipped with Pump 17H824.
The rod operates within the pump’s rating. The corresponding pump 17H824 is rated up to 3300 psi. Always follow your sprayer’s manual limits.
Check the serial label on your sprayer and the pump tag. ProContractor models from 2019 onward typically ship with the Vortex pump 17H824. If unsure, match the pump number before ordering.
Related OEM Parts
| Part | Description | Typical Use |
|---|---|---|
| 17H824 | Endurance Vortex MaxLife Pump Assembly | Complete pump that uses the 17H877 rod |
| 17H842 | QuikPak Pump Repair Kit | Packings/valves service kit for the same sprayers |
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