Graco 103648 Packing O-Ring
$13.00
In Stock
The Graco 103648 Packing O-Ring is a genuine OEM Viton® seal designed for high-pressure Graco fluid filters and surge tanks, ensuring a leak-free performance and chemical resistance.
- Part Number: 103648
- Material: Viton® (fluoroelastomer)
- Application: Fluid filter / surge tank seal
- Feature: High solvent and temperature resistance
- Compatibility: Models 214724, 214624, 214726
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Genuine OEM Part
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Overview & Compatibility — Graco 103648 Packing O-Ring
Compatible Machines
- Graco Surge Tank / Fluid Filter Model 214724 (Series E)
- Graco Surge Tank / Fluid Filter Model 214624 (Series C)
- Graco Surge Tank / Fluid Filter Model 214726 (Series E)
- Also fits other Graco pump & spray assemblies using the same Viton® O-ring seal design — verify your parts list shows item #103648.
What This Part Is
The Graco 103648 is a genuine OEM Packing O-Ring made from Viton® (fluoroelastomer). It provides a durable, chemical-resistant seal in high-pressure fluid filter / surge tank sub-assemblies used on various Graco systems.
Technical Specifications
| Part Number | 103648 |
|---|---|
| Description | Packing, O-Ring (Viton®) |
| Material | Viton® (fluoroelastomer) — excellent solvent & temperature resistance |
| Typical Location | Seal in fluid filter / surge tank assemblies on Graco equipment |
| Function | Maintains a high-pressure fluid seal to prevent leaks and sustain spray performance |
Key Benefits
- OEM fit: Designed to match the original Graco sealing groove and dimensions.
- Chemical resistance: Viton® handles aggressive coatings & solvents better than common elastomers.
- Pressure integrity: Helps maintain consistent spray pressure and reduce downtime from leaks.
How to Verify Fit
- Locate your sprayer’s parts breakdown or service manual.
- Find the fluid filter / surge tank assembly diagram.
- Confirm the listed seal is 103648. If yes, this is the correct replacement.
Frequently Asked Questions
It fits models whose parts list calls out 103648. Many Graco units share filter/surge tank sub-assemblies; always check your manual’s item number to confirm.
Viton® is a fluoroelastomer with superior solvent and temperature resistance compared to standard elastomers (e.g., NBR/EPDM), making it ideal for demanding coating applications.
Visible flattening/cracking, fluid leakage at the filter/surge tank housing, loss of pressure, or scheduled preventive maintenance intervals.
Use of non-OEM parts is possible but must match the material, diameter, and cross-section. For reliability, an OEM Graco 103648 is recommended.
Clean the groove, lightly lubricate with a seal-compatible lubricant, avoid twisting during install, and torque housings per your manual to ensure a reliable seal.
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