Graco 167679 Pump Piston Seat

The Graco 167679 Pump Piston Seat is an OEM internal pump component that helps maintain pressure and sealing performance in select Graco piston pump sprayers. Always confirm compatibility with your sprayer’s parts manual before ordering.

OEM Graco pump piston seat
Located in the fluid pump section
Supports proper sealing and pressure
Designed for specific piston pump assemblies
Check sprayer parts breakdown to verify fit

$46.71

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Description

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.