Product Description
KIT UNIVERSAL GASKET D2A/D4A for Leybold D4ARepair - 19102B2 - OEM Equivalent
Overview
This OEM-equivalent seal kit is cataloged for Leybold D 2/4 A/AC vacuum pump service. Use SKU 19102B2 to confirm the exact product before ordering.
Compatible Pump Models
- D 2/4 A/AC
Kit Includes
Gaskets
- Flat Gasket, Leybold, Trivac, Part# 72590001 — Qty 2
- Gasket, Viton-Leybold Trivac, Part# 72590000 — Qty 2
- Gas Ballast Gasket, Flat, Leybold, Trivac, Part# 23973133 — Qty 1
- Leybold Gasket, Viton, Part# P23955165 — Qty 4
- Case Seal Gasket, Leybold Trivac D2A/AC D4A/AC, Part# 23811123 — Qty 1
- Gasket, Leybold, Part# PL24103292 — Qty 2
- Gas Ballast Gasket, Flat, Leybold, Trivac, Part# 23925227 — Qty 1
- Sight Glass Gasket-Leybold Trivac, Part# 23955172 — Qty 1
O-Rings & Seals
- O-ring, 22 x 3 mm - Viton, Part# PL23970410 — Qty 1
- O-ring, 60 x 2 mm - Viton, Part# 23970409 — Qty 4
- Shaft Seal, Leybold, Trivac, S4A, D2A, D4A, D2AC, D4AC, Part# 23953124 — Qty 2
- O-ring, 5 x 2 mm - Viton, Part# 23970148 — Qty 3
- O-ring, 18.42 x 5.33 mm - Viton, Part# PL23970176 — Qty 2
- O-ring, 10.82 x 1.78 mm - Viton, Part# 72591001 — Qty 2
- O-ring, 9.25 x 1.78 mm - Viton, Part# 72591000 — Qty 2
Filters & Bearings
- Oil Filter, Leybold, Trivac, S4A, D2A, D4A, D2AC, D4AC, Part# 39026121 — Qty 1
Springs & Clips
- Spring, Leybold, Trivac, Part# 22161199 — Qty 1
- Spring, Leybold, Trivac, Part# 22162144 — Qty 1
- Retaining ring, Leybold, Trivac, Part# PL23103101 — Qty 1
- Retaining Disc, Leybold, Trivac, Part# 23105107 — Qty 1
Drive & Mechanical
- Coupling Element, Leybold, Trivac, S4A, S8A, Part# 70100147 — Qty 1
- Anti - Suckback Valve Disc - Leybold, Trivac, Part# 40050136 — Qty 1
- Valve, Leybold, Trivac, D2.5E, D5E, Part# PL40050135 — Qty 1
- Anti-Suckback Nib, Viton- Leybold, Trivac, Part# 23973131V — Qty 1
- Plug Screw, Leybold, Part# PL20127105 — Qty 4
- Anti-Suckback Nib, Buna, Leybold, Trivac, Part# PL23973131 — Qty 1
Complete Bill of Materials
| Part Number | Description | Qty |
|---|---|---|
| 72590001 | Flat Gasket, Leybold, Trivac, Part# 72590001 | 2 |
| 72590000 | Gasket, Viton-Leybold Trivac, Part# 72590000 | 2 |
| 70100147 | Coupling Element, Leybold, Trivac, S4A, S8A, Part# 70100147 | 1 |
| 40050136 | Anti - Suckback Valve Disc - Leybold, Trivac, Part# 40050136 | 1 |
| PL40050135 | Valve, Leybold, Trivac, D2.5E, D5E, Part# PL40050135 | 1 |
| 39026121 | Oil Filter, Leybold, Trivac, S4A, D2A, D4A, D2AC, D4AC, Part# 39026121 | 1 |
| 23973133 | Gas Ballast Gasket, Flat, Leybold, Trivac, Part# 23973133 | 1 |
| 23973131V | Anti-Suckback Nib, Viton- Leybold, Trivac, Part# 23973131V | 1 |
| PL23970410 | O-ring, 22 x 3 mm - Viton, Part# PL23970410 | 1 |
| 23970409 | O-ring, 60 x 2 mm - Viton, Part# 23970409 | 4 |
| P23955165 | Leybold Gasket, Viton, Part# P23955165 | 4 |
| PL20127105 | Plug Screw, Leybold, Part# PL20127105 | 4 |
| 22161199 | Spring, Leybold, Trivac, Part# 22161199 | 1 |
| 22162144 | Spring, Leybold, Trivac, Part# 22162144 | 1 |
| PL23103101 | Retaining ring, Leybold, Trivac, Part# PL23103101 | 1 |
| 23105107 | Retaining Disc, Leybold, Trivac, Part# 23105107 | 1 |
| 23811123 | Case Seal Gasket, Leybold Trivac D2A/AC D4A/AC, Part# 23811123 | 1 |
| 23820147 | Gasket, Leybold, Part# PL24103292 | 2 |
| 23925227 | Gas Ballast Gasket, Flat, Leybold, Trivac, Part# 23925227 | 1 |
| 23953124 | Shaft Seal, Leybold, Trivac, S4A, D2A, D4A, D2AC, D4AC, Part# 23953124 | 2 |
| 23955172 | Sight Glass Gasket-Leybold Trivac, Part# 23955172 | 1 |
| 23970148 | O-ring, 5 x 2 mm - Viton, Part# 23970148 | 3 |
| PL23970176 | O-ring, 18.42 x 5.33 mm - Viton, Part# PL23970176 | 2 |
| 72591001 | O-ring, 10.82 x 1.78 mm - Viton, Part# 72591001 | 2 |
| 72591000 | O-ring, 9.25 x 1.78 mm - Viton, Part# 72591000 | 2 |
| PL23973131 | Anti-Suckback Nib, Buna, Leybold, Trivac, Part# PL23973131 | 1 |
Product Details
| SKU | 19102B2 |
|---|---|
| Product Type | Seal Kit |
| Compatible Brand | Leybold |
| Compatible Pump Models | D 2/4 A/AC |
| Pump Family | TRIVAC A Series D 2/4/8/16 A/AC, S 4/8 A |
| Vacuum Pump Supply Catalog Page | 74 |
Complete BOM
| Part Number | Description | Quantity |
|---|---|---|
| 72590001 | Flat Gasket, Leybold, Trivac, Part# 72590001 | 2 |
| 72590000 | Gasket, Viton-Leybold Trivac, Part# 72590000 | 2 |
| 70100147 | Coupling Element, Leybold, Trivac, S4A, S8A, Part# 70100147 | 1 |
| 40050136 | Anti - Suckback Valve Disc - Leybold, Trivac, Part# 40050136 | 1 |
| PL40050135 | Valve, Leybold, Trivac, D2.5E, D5E, Part# PL40050135 | 1 |
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.