Product Description
Kit Gasket D4B for Leybold D4B - 19120B4 - OEM Equivalent
Overview
This OEM-equivalent seal kit is cataloged for Leybold D 4 B vacuum pump service. Use SKU 19120B4 to confirm the exact product before ordering.
Compatible Pump Models
- D 4 B
Product Details
| SKU | 19120B4 |
|---|---|
| Product Type | Seal Kit |
| Compatible Brand | Leybold |
| Compatible Pump Models | D 4 B |
| Pump Family | TRIVAC B Series D 1.6/4/8/16 B/16 BCS |
| Vacuum Pump Supply Catalog Page | 76 |
What This Kit Includes
The exact service components and quantities are listed in the complete BOM below.
Complete BOM
| Part Number | Description | Quantity |
|---|---|---|
| PL15108035 | Felt Pad, Leybold, Trivac, D4B, D8B, S8B, Part# PL15108035 | 1 |
| P23970108 | O-ring, 12 x 1.5 mm - Viton, Part# P23970108 | 2 |
| P23955165 | Leybold Gasket, Viton, Part# P23955165 | 3 |
| PL23953006 | Shaft Seal, Leybold, Trivac, Part# PL23953006 | 2 |
| PL20010731 | Coupling Gasket, Leybold, Trivac, D4B, D8B, S8B, Part# PL20010731 | 1 |
| PL23970015 | O-ring, 40 x 1.5 mm - Viton, Part# PL23970015 | 1 |
| PL23970147 | O-ring, 16 x 2.5 mm - Viton, Part# PL23970147 | 1 |
| PL23970176 | O-ring, 18.42 x 5.33 mm - Viton, Part# PL23970176 | 2 |
| PL23970509 | O - ring, 70 x 5 mm - Viton, Part# PL23970509 | 1 |
| 23973043 | Leybold Gasket, Part# 23973043 | 1 |
| 23973044 | Gasket, Flat, Leybold, Trivac, Part# 23973044 | 1 |
| 23973047 | Leybold Case Gasket, Part# 23973047 | 1 |
| PL20010730 | Beaded Gasket, Mylar - Leybold Trivac D4B / D8B, Part# PL20010730 | 1 |
| PL40159003 | Valve Plate, Leybold, Trivac, Part# PL40159003 | 1 |
| PL20009110 | Coupling Insert, Leybold, Trivac, Part# PL20009110 | 1 |
| PL39026010 | Demister Filter, Leybold, Trivac, D4B, Part# PL39026010 | 1 |
| PL34861029 | Seal, Leybold, Trivac, Part# PL34861029 | 1 |
| 23973057 | Sight Glass Gasket, Leybold, Trivac, Part# 23973057 | 1 |
| PL23973146 | Seal, Float, Leybold, Trivac, Part# PL23973146 | 1 |
| PL34861028 | Non - Return Valve, Leybold, Trivac, Part# PL34861028 | 1 |
| PL23970163 | O-ring, 38 x 2 mm - Viton, Part# PL23970163 | 2 |
BOM verified against the current Vacuum Pump Supply product listing.
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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