Graco 17H839 Pump repair kit

Graco 17H839 Pump Repair Kit — Genuine OEM QuikPak system for Endurance Chromex pumps.
Designed for Ultra Max II 1095, Ultra Max II 1595, and GMAX II 5900 (2014+).
Pre-assembled, pre-oiled cartridges allow fast repacking and restore factory performance.
Ensures consistent pressure, extended pump life, and minimal downtime.

List Price: $187.5

You save: $58.59 (31.25%)

Sale Price: $128.91

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Description

Graco 17H839 Pump Repair Kit (QuikPak)

Compatible Machines

• Ultra Max II 1095 — Standard Series, ~2014 & newer
• Ultra Max II 1595 — Standard Series, ~2014 & newer
• GMAX II 5900 — Standard/Convertible Series, ~2014 & newer

Tip: If your unit is pre-2014 or not listed, check your pump part number (Endurance Chromex) before ordering.

What is the Graco 17H839?

Graco 17H839 Pump Repair Kit is the factory QuikPak cartridge set for Endurance Chromex piston pumps. It replaces worn packings/seals with pre-assembled, pre-oiled cartridges so you can repack your pump quickly no stacking individual cups or rings.

Why choose QuikPak?

Fast, guided install—restore prime & pressure in minutes.
OEM fit for Endurance Chromex pumps (tight sealing, long life).
Reduced downtime and mess vs. traditional packing stacks.
Consistent performance with factory-specified components.

What's in the Box & Specs

Part Number	17H839 (Pump Repair Kit / QuikPak)
Pump Type	Endurance Chromex piston pump (packing/seal cartridge set)
Primary Fit	Ultra Max II 1095, Ultra Max II 1595, GMAX II 5900 (~2014+)
Typical Contents	Pre-assembled upper & lower packing cartridges, O-rings/seals, install clip(s)/retainer(s)
Install Time	Usually under 30 minutes with basic tools (experienced users: less)
When to Repack	Loss of pressure/prime, paint leaks past packings, excessive pump noise, irregular spray pattern

Frequently Asked Questions

It fits units using the Endurance Chromex piston pump on Ultra Max II 1095, Ultra Max II 1595, and GMAX II 5900 from ~2014 onward. If your sprayer is older or has a different pump variant, check the pump assembly number or contact support.

Loss of pressure/prime, material leaking past packings, pulsation, or rough pump stroke typically indicate worn packings. Repacking with 17H839 restores sealing and performance.

Only basic hand tools are typically required. The QuikPak cartridges are pre-oiled; follow the sprayer manual for any lubrication and torque notes during reassembly.

No. 17H839 is a Pump Repair Kit (packing cartridges/seals) for repacking your existing Endurance Chromex pump. It is not a complete pump body/rod assembly.