Graco 104443 Backup O-Ring

Product Detail: 104443 Backup O-Ring

The Backup O-Ring – part 104443 is a genuine OEM sealing component designed for the bowl-to-housing interface in high-pressure fluid filters. It ensures a reliable seal and helps prevent leaks and downtime.

Compatible Machines

• Graco 210090 High Pressure / Medium Volume “Red Alert” Filter System
• Graco 210091 High Pressure / Medium Volume “Red Alert” Filter System
• Graco 210092 High Pressure / Medium Volume “Red Alert” Filter System
• Graco Model 25M212 Red Alert Filter Assembly

Key Specifications & Features

Why This Part Matters

Here’s how the 104443 backup O-ring adds value:

• Enhanced seal integrity: Prevents fluid seepage around the filter bowl, protecting downstream equipment.
• Reduced downtime: OEM-specified part means minimal fitting issues and faster maintenance.
• High-pressure durability: Suitable for systems rated to 3 000 psi, matching the filter assembly specifications.

Installation & Maintenance Tips

To ensure reliable performance, follow these best practices:

1. Relieve all system pressure before servicing the filter assembly.
2. Remove the bowl and inspect both the primary O-ring and the backup O-ring; replace the 104443 if you detect leakage.
3. Lubricate the sealing surfaces and install the backup ring with its groove facing up as per manufacturer instructions.
4. Use compatible fluids and avoid abrasive contaminants that can damage sealing surfaces or O-ring materials.

Frequently Asked Questions