Graco 166779 Seat Valve
$368.00
In Stock
Genuine Graco 166779 seat valve designed for selected Graco metered-dispense and precision fluid valve assemblies. Ideal for restoring leak-free shut-off and stable system pressure.
- OEM internal valve seat component
- Helps prevent internal fluid bypass and leakage
- Replace when sealing surface is worn or damaged
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 166779 Seat Valve – OEM Replacement Part
Compatible Machines
This Graco 166779 Seat Valve is used in specific Graco metered-dispense and precision fluid valve assemblies. Confirm your sprayer or system’s parts manual to ensure correct compatibility.
- Certain Graco Metered-Dispense Pumps
- Selected Graco Precision Fluid Valve Assemblies
Product Details
The 166779 Seat Valve is a precision-machined internal sealing component designed for Graco valve assemblies. It provides a durable sealing surface for accurate fluid shut-off, helping prevent internal leakage and ensuring stable pressure regulation.
| Part Number | Description | Function | Usage Notes |
|---|---|---|---|
| 166779 | Seat Valve | Provides internal sealing surface for the valve assembly | Replace when worn, scratched, or leaking |
Key Features
- Precision-engineered for accurate sealing performance
- Maintains proper valve shut-off and prevents internal fluid bypass
- Durable OEM-grade construction
- Direct replacement for compatible Graco valve systems
When to Replace
- Valve leakage or inconsistent shut-off
- Visible wear on the sealing surface
- Erratic pressure output from the fluid system
Frequently Asked Questions
It serves as the internal sealing point in a Graco valve assembly, allowing the system to maintain proper shut-off and prevent internal leaks.
Check your pump or sprayer parts manual. If the valve assembly lists part number 166779 as its seat component, then it is the correct match.
Replace it when you notice leakage, loss of pressure consistency, or when the sealing surface is worn or damaged.
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