Graco 178651 4-Way Spool
$91.75
Available to Order
The Graco 178651 Spool ensures precise fluid control inside the valve assembly for consistent sprayer performance.
- OEM-grade spool for accurate flow regulation
- Supports smooth valve movement
- Designed for Graco industrial pump systems
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 178651 Spool – Detailed Product Description
Compatible Machines
- Graco industrial fluid valves
- Graco pneumatic pump valve assemblies
- Systems using 178651 spool as part of internal metering
Key Features
| Specification | Details |
|---|---|
| OEM Part Number | 178651 |
| Component | Valve Spool |
| Function | Controls fluid metering and smooth valve travel |
| Material | Precision-machined metal |
Installation & Usage Tips
- Ensure the valve body is clean before installing the spool.
- Lubricate lightly to support smooth movement.
- Replace damaged O-rings or seals during installation.
- Check operation after reassembly to confirm free travel.
Frequently Asked Questions
It regulates fluid flow and ensures internal valve movement remains accurate and consistent.
No, the spool must match the exact valve assembly it was designed for.
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