Graco 16N786 Piston Packing

Graco 16N786 Piston Packing

Compatible Machines

• Requires verification with the machine’s pump parts manual
• Fits U-cup style piston packing applications in selected Graco piston-type pumps
• Not officially listed by Graco for specific models — confirm before ordering

Product Details

The Graco 16N786 Piston Packing is a U-cup style piston seal designed to prevent fluid bypass inside the pump’s piston chamber. It helps maintain optimal pressure, reduces leakage, and supports consistent pump performance. This packing is used in Graco piston-driven fluid sections where U-cup sealing is required.

Key Features

• U-cup style piston packing for reliable sealing
• Ensures efficient pressure retention within the pump
• Designed for Graco piston-type pump assemblies
• Ideal replacement when the original packing shows wear or leakage

Frequently Asked Questions