Product Description
Gasket Kit for WS501 / WSU501 - P19466 – OEM-Equivalent
Overview
This OEM-equivalent seal & gasket kit is cataloged for Leybold WS/WSU 501 vacuum pump service. Use SKU P19466 to confirm the exact product before ordering.
Compatible Pump Models
- WS/WSU 501
Product Details
| SKU | P19466 |
|---|---|
| Product Type | Seal & Gasket Kit |
| Compatible Brand | Leybold |
| Compatible Pump Models | WS/WSU 501 |
| Pump Family | RUVAC |
| Vacuum Pump Supply Catalog Page | 86 |
What This Kit Includes
The exact service components and quantities are listed in the complete BOM below.
Complete BOM
| Part Number | Description | Quantity |
|---|---|---|
| 23880504 | GASKET,TEFLON | 4 |
| 23970435 | O'RING,VITON, 35 X 2 MM | 1 |
| 23970111 | O'RING,VITON,11.5 X 3 MM | 4 |
| 23970411 | O'RING,VITON,122 X 3 MM | 1 |
| 23970432 | O'RING,VITON,235 X 3 MM | 4 |
| 23970415 | O'RING,VITON,30 X 2 MM | 4 |
| 20013975 | O'RING,VITON,35 X 2.5 MM | 1 |
| 23970504 | O'RING,VITON,55 X 5 MM | 1 |
| 23970129 | O'RING,VITON,65 X 5 MM | 1 |
| 23970510 | O'RING,VITON,72.39 X 5.33 MM | 1 |
| 23970149 | O'RING,VITON,8 X 2 MM | 1 |
| 23970302 | O'RING,VITON,90 X 3 MM | 1 |
| 20013180 | REFLECTOR,A501 | 1 |
Kit contents are transcribed from the official Vacuum Pump Supply catalog listing for this part number. Verify the pump model and serial number before ordering.
When Should You Rebuild or Service the Pump?
- Reduced vacuum performance or slower pump-down
- Visible wear, damage, leakage, or contamination
- Scheduled preventive maintenance or overhaul
- Inspection identifies the component as outside service limits
Why Vacuum Pump Supply?
Vacuum Pump Supply has supported vacuum pump maintenance and repair applications since 2006. Contact us with the pump model and serial number if you need help confirming compatibility.
Frequently Asked Questions
Is this a genuine OEM product?
No. This is an OEM-equivalent replacement supplied by Vacuum Pump Supply.
How do I confirm fit?
Match the SKU, pump model, and pump serial number before ordering.
Product disclosure: This is an OEM-equivalent product for compatible Leybold equipment. It is not manufactured by Leybold. OEM names and part numbers are used only to identify compatibility.
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