Graco 108825 Packing O-Ring

Overview – Graco 108825 Packing O-Ring

The 108825 Packing O-Ring is an OEM Graco seal designed for use in high-pressure pump assemblies. It provides reliable sealing to prevent fluid leaks and maintain pump performance across compatible Graco machines.

Compatible Machines

The 108825 O-Ring is commonly used in the following Graco pump series and models. Always confirm compatibility against your machine’s service manual.

• 400 Series Pumps: Repair Kit 220949 – includes models 220663 & 220666
• 1200 Series Pumps: Repair Kits for models 220664 & 220667, 237009 & 237012
• 2500 Series Pumps: Optional Repair/Conversion Kits for models 220665 & 220668, 237010 & 237013

Key Features & Benefits

• OEM Part Number: 108825 – ensures proper fit and performance
• Function: Acts as a packing O-Ring to prevent fluid bypass and maintain pump pressure
• Reliability: Used in maintenance or pump rebuilds to extend service life
• Maintenance Tip: Inspect packing gland surfaces before installation to prevent premature seal failure

Installation & Usage Tips

• Ensure the pump is fully depressurized and drained before servicing the packing area
• Clean sealing surfaces thoroughly to remove debris, scoring, or damage
• Lightly lubricate the O-Ring (if recommended) to facilitate installation
• Seat the O-Ring evenly to avoid twisting or pinching; reassemble per service manual torque specifications
• Keep genuine Graco spare seals on hand for scheduled maintenance to reduce downtime

Frequently Asked Questions

Summary

The Graco 108825 Packing O-Ring is a reliable OEM replacement seal for select 400, 1200, and 2500 Series Graco pumps. Using the correct part and proper installation ensures long-lasting, leak-free pump operation.