Graco 166173 Valve Plate
$62.75
Available to Order
The Graco 166173 Plate, Valve is a genuine OEM replacement used in the intake valve housing to maintain correct fluid direction and pressure. Ideal for restoring performance in Graco ink or fluid supply pumps.
- Ensures proper sealing and prevents back-flow
- Used in intake valve assembly of Graco 306805L pump
- Durable metal construction for long service life
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatible Machines
This part is verified in Graco’s parts manual; always cross-check your sprayer/pump’s parts list before ordering.
- Graco Ink Supply Pump (Manual 306805; ref. 166173 used in the intake valve housing)
Overview & Purpose
Graco 166173 Plate, Valve is the valve plate used inside the intake valve housing of select Graco fluid-handling pumps. It provides the sealing surface that helps control fluid direction, restoring flow and preventing back-flow when worn parts are replaced.
Key Details
| Part Number | 166173 |
|---|---|
| Part Type | Plate, valve (intake valve assembly component) |
| Assembly Location | Intake valve housing (used with valve stop ring p/n 166172 in the same assembly) |
| Typical Symptoms When Worn | Loss of prime, erratic output, back-flow, or leakage at low pressure |
| Fitment Check | Confirm your pump’s parts list specifically calls out p/n 166173 for the intake valve |
Installation & Maintenance Tips
- Relieve system pressure and isolate air/fluid lines before service.
- Disassemble the intake valve housing; clean all mating surfaces thoroughly.
- Install the new plate in the correct orientation; inspect/replace the valve stop ring if worn.
- Tighten fasteners to the specified torque and leak-test at low pressure before returning to service.
Frequently Asked Questions
It sits inside the intake valve housing as the sealing/valve surface. The manual parts list identifies it under the intake valve assembly for the referenced Ink Supply Pump.
Possibly, if the machine’s parts list specifies p/n 166173 for the intake valve. Always verify against the official parts breakdown for your exact model before purchase.
Inspect the valve stop ring (p/n 166172) and any retainers or packings in the same housing. Replace worn components together to ensure proper sealing and longevity.
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