Graco 17H888 Carbide Seat Kit

Graco 17H888 Carbide Seat Kit provides reliable sealing performance and extends pump life for heavy-duty spraying tasks. Ideal for professionals needing consistent pressure and durability.

Compatible with: GMax II 5900 IronMan
Material: Industrial-grade carbide for long wear life
Function: Restores valve sealing and pressure consistency
Use: Replacement seat for pump assembly 17H826

List Price: $502

You save: $140.56 (28.00%)

Sale Price: $361.44

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Description

Product Overview & Compatibility

Compatible Machines

Graco GMax II 5900 IronMan (Gas Airless Sprayer)
Graco sprayers using pump assembly 17H826

Tip: If your sprayer uses the pump noted above or matches the GMax II 5900 IronMan valve-seat design, this kit is the correct fit.

What is the Graco 17H888 Carbide Seat Kit?

Graco 17H888 Carbide Seat Kit is an OEM repair kit for the pump check-valve seat. The carbide seat provides a hard, wear-resistant sealing surface for the check ball, helping restore prime, reduce bypass, and extend pump life especially when spraying abrasive coatings.

Key Benefits

OEM quality: Genuine Graco replacement for consistent fit and reliability.
Carbide durability: Tough seat surface for improved wear in demanding jobs.
Restores sealing: Helps fix priming loss and pulsation caused by a worn valve seat.
Maintenance friendly: Designed for straightforward pump service.

Technical Details

Attribute	Detail
Part Number	17H888
Type	Carbide Seat kit for pump check valve
Material	Carbide seating surface (high wear resistance)
Compatibility	Graco GMax II 5900 IronMan; pumps using 17H826
Brand	Graco OEM

Always match your sprayer’s pump/parts list before ordering; model variants may differ by pump build.

Installation & Fitment Notes

Inspect the check ball and spring during service; replace if worn for best results.
Clean mating surfaces thoroughly to ensure the carbide seat seals properly.
Prime and pressure-test after installation to verify correct sealing.

Frequently Asked Questions

Hard priming, loss of pressure, or fluid bypass at the pump check valve are common signs of a worn seat. A fresh carbide seat restores proper sealing.

It is listed for the GMax II 5900 IronMan and for pumps using 17H826. Check your exact pump build and parts list to confirm.

Yes, the Graco 17H888 is a genuine OEM replacement kit for the pump check-valve seat.

Use proper filtration, flush promptly after use (especially with abrasive coatings), and replace the check ball/spring if wear is visible. The carbide seat is durable, but clean fluid flow extends performance.