Product Description
Major Repair Kit for Leybold D16B / S1 - 19121D16 - OEM Equivalent
OEM-Equivalent Repair Kit for Leybold Vacuum Pumps
Vacuum Pump Supply OEM-equivalent repair kit for Leybold pump service and maintenance.
This OEM-equivalent Leybold repair kit is designed to provide reliable fit, function, and value.
Compatible Pump Models
Compatible pump models not yet identified for this product.
What This Kit Includes
- Filters where included by kit configuration
- Vanes where included by kit configuration
- Gaskets and sealing components
- Seals and O-rings
- Bearings where included by kit configuration
When Should You Rebuild or Service the Pump?
- Reduced vacuum performance
- Slow pump-down times
- Oil leaks or worn sealing components
- Excessive exhaust smoke or oil mist
- Worn or damaged internal components
- Scheduled preventative maintenance interval reached
Complete Bill of Materials
| Part Number | Description | Qty |
|---|---|---|
| 20010655 | GX Vane | 2 |
| 20010656 | 2nd Stage GX Vane | 2 |
| 23973057 | Sight Glass Gasket | 1 |
| 23973044 | Flat Beaded Gasket | 1 |
| 20010736 | Module Gasket, Mylar | 1 |
| P23955165 | Viton Gasket | 3 |
| 20009012 | Gasket | 1 |
| 20010738 | Coupling Housing Gasket | 1 |
| 23973043 | Gasket | 1 |
| 23973146 | Float Seal, Viton | 1 |
| 34861029 | Gas Ballast Seal | 1 |
| P23970108 | O-Ring, Viton, 12 x 1.5 mm | 2 |
| 23970509 | O-Ring, Viton, 70 x 5 mm | 1 |
| 23970506 | O-Ring, Viton, 27.94 x 5.33 mm | 2 |
| 23970304 | O-Ring, Viton, 45 x 3 mm | 2 |
| 23970261 | O-Ring, Viton, 52 x 3 mm | 1 |
| 23970147 | O-Ring, Viton, 16 x 2.5 mm | 1 |
| 23970006 | O-Ring, Viton, 55 x 2 mm | 1 |
| 23953004 | Shaft Seal, FKM | 2 |
| 39026012 | Demister Filter | 1 |
| 35001179 | Sight Glass | 1 |
| 34861028 | Non-Return Valve | 1 |
| 40175017 | Valve Plate | 1 |
| 40175023 | Pressure Relief Valve | 1 |
| 40159004 | Valve Disc | 1 |
| 23192026 | Shaft Sleeve Bushing | 1 |
| 20009057 | Oil Nozzle | 1 |
| 20009094 | Coupling Insert | 1 |
| 22161031 | Split Spring | 1 |
| 22161040 | Stainless Steel Spring | 1 |
| 39350015 | Silencing Nozzle | 1 |
Complete Leybold Vacuum Pump Solutions
Vacuum Pump Supply stocks OEM-equivalent Leybold repair kits, filters, vanes, gaskets, seals, bearings, and service parts for pump maintenance and rebuild work.
Leybold Parts & Resources
Recommended Service Products
Why Buy from Vacuum Pump Supply?
- Vacuum pump specialists since 2006
- Over 15,000 vacuum pump parts and kits available
- OEM-equivalent replacement parts for hard-to-find vacuum pump models
- Fast shipping on stocked products
- Technical support from vacuum pump specialists
- Trusted by manufacturers, laboratories, universities, service companies, and maintenance teams
Frequently Asked Questions
Is this an OEM Leybold product?
No. This is an OEM-equivalent product supplied by Vacuum Pump Supply.
What is the part number?
The part number is 19121D16KIT.
Can Vacuum Pump Supply help identify the correct part?
Yes. If you are unsure whether this is the correct product for your pump, contact Vacuum Pump Supply with your pump model and any existing part numbers.
