Graco 104443 Backup O-Ring
$54.25
Available to Order
Graco 104443 Backup O-Ring ensures a tight, leak-free seal in Graco Red Alert filter assemblies. Genuine OEM part for dependable high-pressure performance.
- Part Number: 104443
- Function: Backup ring for filter bowl seal
- Compatible Models: 210090, 210091, 210092, 25M212
- Max Pressure: 3 000 PSI (210 Bar)
- Material: Fluoroelastomer (high-temperature resistant)
- OEM Quality: Genuine Graco replacement part
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Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
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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
| Part Number | 104443 |
|---|---|
| Function | Backup ring (o-ring support) in filter bowl-to-housing interface. |
| Compatible Filter Models | 210090 / 210091 / 210092 / 25M212 |
| System Pressure Rating | Up to 3 000 psi (210 bar) |
| Notes | Fluoroelastomer material; install groove side up. |
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:
- Relieve all system pressure before servicing the filter assembly.
- Remove the bowl and inspect both the primary O-ring and the backup O-ring; replace the 104443 if you detect leakage.
- Lubricate the sealing surfaces and install the backup ring with its groove facing up as per manufacturer instructions.
- Use compatible fluids and avoid abrasive contaminants that can damage sealing surfaces or O-ring materials.
Frequently Asked Questions
The 104443 is specifically listed for use in the Red Alert filter range (models 210090/210091/210092 and 25M212) according to official parts lists. Use in other models may require verification of dimensions and compatibility.
Inspection interval depends on application conditions (abrasiveness, fluid type, cycles). As a good practice, inspect each time the filter bowl is removed; replace the backup O-ring if you observe wear, deformation, or leakage.
If the groove of the backup ring is not facing up or the ring is damaged, sealing may fail, leading to leaks around the bowl and possible fluid bypass. Always follow manufacturer orientation instructions.
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