Graco 167679 Pump Piston Seat – OEM Replacement Part
Compatible Machines
This Graco 167679 Pump Piston Seat is used in the fluid pump section of select Graco piston pump sprayers. At this time, confirmed sprayer model data is not published. Compatibility must be verified by referencing the sprayer’s parts manual or pump assembly diagram.
- Used in select piston pump fluid sections
- Fits machines that require this specific seat design
- Check your pump assembly diagram before ordering
Product Overview
The Pump Piston Seat (Part 167679) is a critical internal component located in the pump fluid section. It provides a precise sealing interface to help maintain proper pressure, reduce internal leakage, and support consistent pumping performance.
Key Functions
- Supports proper sealing between piston and fluid housing
- Helps maintain pump prime and spraying pressure
- Reduces piston vibration and internal wear
- OEM specification ensures reliable pump operation
Why Choose OEM?
- Ensures proper fit within the specific pump assembly
- Maintains original performance and pressure rating
- Reduces risk of premature wear or pump failure
- Supports longevity of the sprayer fluid section
Technical Notes
| Part Number | 167679 |
| Component Type | Pump Piston Seat |
| System Area | Fluid Pump Section |
| Installation | Requires correct pump assembly fitment |
Installation Guidance
- Inspect pump body and piston before installation
- Install with clean, compatible pump lubrication
- Ensure seat is positioned correctly during reassembly
- Prime sprayer thoroughly after pump service
Frequently Asked Questions
It provides the sealing and support surface for the piston inside the fluid pump section, helping maintain pressure and pump efficiency.
Check your sprayer’s parts manual or pump assembly diagram and locate the matching part number. Compatibility varies by sprayer series and pump generation.
Yes. Non-OEM parts may not seal correctly, which can cause loss of pressure, difficulty priming, increased wear, or premature pump failure.
