Graco 166817 Gland Female – Genuine Replacement Packing Gland
Compatible Machines
- Graco Ultra 395 Series (Electric, PC, Stand, Hi-Boy) – pump assemblies using Gland Female 166817
- Graco Ultra 495 Series (Electric, PC, Stand, Hi-Boy)
- Graco Ultra 595 Series (Electric, PC, Stand, Hi-Boy)
- Graco ST Max & ST Pro Series Sprayers
- Graco Ultra Max / Ultra Max II 490, 495, 595 (models with matching pump lower configuration)
Product Details
The Graco 166817 Gland Female is a precision-machined packing component designed for the pump assembly. It helps maintain a proper seal around the rod, reduces leakage, and supports consistent sprayer performance. This genuine part ensures long service life and reliable sealing when used with compatible Graco pump systems.
| Part Number | 166817 |
| Part Type | Female Packing Gland |
| Function | Provides sealing support in pump rod/packing area |
| Used In | Pump lower assemblies of compatible Graco airless sprayers |
Why This Part Is Important
The gland helps keep the internal pump area sealed efficiently. Worn or damaged glands may lead to pressure loss, leaks, or irregular spray patterns. Replacing this part at the right time helps maintain sprayer efficiency and extends pump life.
Installation Notes
- Always relieve system pressure before servicing the pump.
- Inspect the rod for wear or scoring before installing the gland.
- Lubricate packings as recommended during reassembly.
- Ensure the gland is seated correctly to maintain proper sealing.
Frequently Asked Questions
It supports the packing set and ensures correct sealing around the pump rod to prevent fluid leakage and maintain pressure.
Signs include visible leakage from the packing area, inconsistent spray pressure, or worn packings during pump service.
Yes, this is a genuine OEM Graco replacement part designed to match original pump specifications.
