Graco 115146 U-Cup Seal
$62.25
In Stock
The Graco 115146 U‑Cup Seal is a precision O‑ring style sealing component used in Graco pumps and spray systems to ensure fluid‑tight piston or rod sealing — ideal for high‑pressure fluid transfer or coating applications.
- OEM U‑Cup seal for Graco fluid and spray equipment
- Seals piston/rod assemblies inside pumps — prevents leaks
- Used in industrial coating, painting or fluid‑handling systems
- Essential for maintenance or replacement to keep performance & pressure intact
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
About the Graco 115146 U-Cup Seal
The Graco 115146 U-Cup Seal is a genuine OEM fluid-seal designed to provide reliable piston/rod sealing in Graco pumps, spray systems and fluid-handling equipment — ensuring leak-proof operation under pressure.
Compatible Assemblies / Use-Cases
- Graco fluid pumps or displacement-pumps using piston/rod assemblies sealed by U-Cup
- Spray, coating or paint-delivery systems where internal fluid-seal is required for correct operation
- Industrial coating and fluid-handling equipment under Graco requiring high-pressure fluid sealing
- Maintenance or overhaul of pumps when original U-Cup seal is worn or leaking — 115146 as OEM replacement
Product Details
| Part Number | 115146 |
|---|---|
| Description | U-Cup Seal / Piston or Rod Seal — OEM Seal |
| Function | Seals internal fluid chambers by preventing fluid leakage around piston or rod in pump assemblies |
| Typical Use | Fluid pumps, displacement-pumps, spray/coating pumps and fluid-handling systems |
| OEM Status | Original Graco spare part — ensures correct dimension, material and sealing performance |
Why Use This U-Cup Seal?
- Ensures reliable fluid-tight sealing of pistons/rods under pressure
- OEM-specified — correct fit and tolerance for Graco housings
- Reduces risk of leaks, maintains system pressure and fluid integrity
- Essential replacement when original seal wears out or leaks
Frequently Asked Questions
It seals around the piston or rod inside the pump housing — preventing fluid from leaking past the piston during operation and maintaining pressure integrity.
Yes — 115146 is listed as a genuine Graco-manufactured U-Cup seal in official spare-parts catalogs.
Replace it when you notice leaks, loss of pressure, poor pump performance or during regular maintenance/overhaul of the pump — to ensure continued fluid-tight sealing.
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