Graco 16X768 Upper Packing Nut

The Graco 16X768 Upper Packing Nut is an OEM part designed for PC II / 7900 pump systems, ensuring proper sealing and leak-free performance.

Fits Mark X ProContractor (16Y910) Pump
Compatible with PC II / 7900 Pump Assemblies
Maintains pressure seal around piston rod
Durable OEM construction

Retail Price: $72.25

You save: $5.48 (7.58%)

Our Price: $66.77

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Description

Graco 16X768 Upper Packing Nut – OEM Replacement Part

Compatible Machines

This Graco 16X768 Upper Packing Nut fits the following equipment:

Graco Mark X ProContractor (Model 16Y910) – Displacement Pump Assembly
Graco PC II / 7900 Pump Assemblies
Industrial coating systems using the Graco PC II series pump
High-pressure airless sprayers built on the 7900 pump platform

Product Overview

The 16X768 Upper Packing Nut is a critical OEM component used to secure and compress the packings within the pump’s cylinder housing. It maintains proper sealing around the piston rod, helping prevent coating or paint leakage during operation. This part is specifically engineered for pump assemblies that rely on the Graco PC II / 7900 fluid-handling system.

Key Features

OEM manufactured for reliable compatibility and performance
Designed to secure internal packings and maintain pump pressure integrity
Durable construction suited for high-pressure industrial applications
Optimised for Graco’s PC II and 7900 series pump platforms

Technical Details

Part Number	16X768
Component Type	Upper Packing Nut
Compatibility	PC II / 7900 Pump Assemblies
Application	Industrial & High-Pressure Airless Sprayers
Replaces	OEM Graco Pump Seal Retainer Nut

Frequently Asked Questions

It secures and compresses the packings inside the pump cylinder, helping create a proper seal around the piston rod to prevent fluid leakage under high pressure.

This part fits pump assemblies based on the PC II / 7900 platform, including the Graco Mark X ProContractor displacement pump. Always verify your pump model number before ordering.

Yes, it is a genuine OEM component designed specifically for Graco pump systems using the PC II / 7900 configuration.