Graco 17H838 Pump Repair Kit - Compatibility & Details
Compatible Machines
This Graco 17H838 QuikPak pump packing kit fits the following sprayers (Standard Series, model year 2014 & newer):
- • Graco Ultra Max II 695 (Standard)
- • Graco Ultra Max II 795 (Standard)
- • Graco GMAX II 3900 (Standard)
Designed to service the Endurance Chromex Piston Pump used in the models listed above.
What this kit is
Graco 17H838 QuikPak Cartridge Repair System is a genuine packing kit for rapid, reliable pump maintenance. It uses a pre-oiled cartridge that installs correctly in minutes ideal for minimizing downtime on job sites while restoring prime and pressure consistency.
Key Benefits
- Fast, guided install with QuikPak pre-oiled cartridge design.
- Restores performance of the Endurance Chromex Piston Pump.
- OEM quality and seal life for demanding coatings.
Specifications
| Part Number | 17H838 |
| Type | Packing Kit (QuikPak cartridge) |
| For Pump | Endurance Chromex Piston Pump |
| Compatible Sprayers | Ultra Max II 695 (Standard, 2014+), Ultra Max II 795 (Standard, 2014+), GMAX II 3900 (Standard, 2014+) |
| Install Outline | Insert pre-oiled cartridge → remove disposable clip → reassemble pump |
When should you replace packings?
- Loss of pressure or difficulty maintaining prime
- Material bypass/leakage from pump
- Excessive pump stutter or inconsistent spray pattern
Frequently Asked Questions
Ultra Max II 695 (Standard, 2014+), Ultra Max II 795 (Standard, 2014+), and GMAX II 3900 (Standard, 2014+)—all with the Endurance Chromex Piston Pump.
No. For Ultra Max II 695/795 ProContractor and GMAX II 3900 ProContractor, Graco specifies kit 17H841. Confirm your sprayer’s series before purchase.
A pre-oiled QuikPak packing cartridge for fast, correct installation plus a disposable alignment clip. Follow your sprayer’s service manual for the exact steps.
Frequency depends on materials and usage. Replace at the first signs of leakage, pressure loss, or inconsistent spray. Keeping a 17H838 on hand minimizes downtime.
Refer to the Graco pump repair manual for your model. The QuikPak process is: insert pre-oiled cartridge → remove clip → reassemble.
