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
The 108825 O-Ring serves as a sealing component within pump packing or gland assemblies to prevent high-pressure fluid leakage and maintain pump efficiency.
No. Compatibility is limited to certain models in the 400, 1200, and 2500 Series. Always check your machine’s service manual for part 108825 to confirm fit.
Replace the O-Ring if leaks appear around the packing gland, pump pressure is reduced, or during scheduled rebuilds to maintain optimal pump performance.
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.
