Graco 168509 Nut Packing – OEM Pump Packing Component
Compatible Machines
This genuine part is used on selected Graco pump assemblies. Verify your sprayer pump breakdown for part number 168509 before ordering.
- Applicable to Graco pumps using packing gland compression nut
- Check Ultra, GMAX, GH, and TexSpray series models for compatibility
- Refer to your pump assembly technical diagram for confirmation
Product Overview
The Graco 168509 Nut Packing is a precision-machined gland nut designed to properly secure and compress the packing set within the sprayer pump assembly. It helps maintain a leak-resistant seal around the pump rod, supporting consistent pressure and fluid delivery.
Key Features
- OEM replacement part for reliable sealing performance
- Maintains proper packing pressure to prevent paint leakage
- Supports smooth pump rod movement and pump lifespan
- Used in professional and contractor-grade airless sprayers
When to Replace
- Packing is leaking or requires frequent tightening
- Thread damage or rounding is visible on the original nut
- During full pump packing kit replacement for preventative maintenance
Specifications
| Part Number | 168509 |
| Part Type | Nut Packing / Packing Gland Nut |
| Brand | Graco |
| Application | Secures and compresses pump packing set |
Frequently Asked Questions
It applies compression on the packing set to maintain a leak-resistant seal around the pump rod, ensuring consistent spraying performance.
It is recommended to inspect it when replacing the packing set. If threads are worn or it no longer tightens smoothly, it should be replaced.
Check your pump assembly parts diagram and confirm that it lists part number 168509. If unsure, contact support with your model and pump code.
