Product Description
Overhaul Kit for Busch 0400B - BMK021CF - OEM Equivalent
Repair Kit for Busch - OEM Equivalent
OEM-equivalent replacement, not manufactured by Busch, supplied by Vacuum Pump Supply.
Compatible Pump Models
- 0400B
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 Busch Vacuum Pump Solutions
Vacuum Pump Supply stocks OEM-equivalent Busch repair kits, filters, vanes, gaskets, seals, bearings, and service parts for pump maintenance and rebuild work.
Busch 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 Busch product?
No. This is an OEM-equivalent product supplied by Vacuum Pump Supply.
What is the part number?
The part number is BMK021CF.
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.
Kit Includes
Vanes
- Busch R5 0400B Vane, Carbon Fiber- Part# 72245400CF — Qty 3
Gaskets
- Busch Oil Sight Glass Gasket Part# 48023100 — Qty 1
- Busch Side Cover Plate Gasket Part# 48013400 — Qty 1
- Busch Oil Fill Plug Gasket Part# 48210600 — Qty 1
- Busch Ring Gasket, Copper Part# 48402900 — Qty 1
- Busch Ring Gasket Part# 48403400 — Qty 2
- ring Gasket, Busch, R5, 0160B, 0250B, 0160D, Part# 48404000 — Qty 2
- Busch Ring Gasket Part# 48406200 — Qty 1
- Busch Float Valve Cover Gasket Part# 481532126 — Qty 1
- Busch Float Valve Gasket Part# 481529712 — Qty 1
- Busch Exhaust Box Cover Gasket Part# 48013100 — Qty 1
- Busch Gasket Part# 48012800 — Qty 1
- Busch Cylinder/Exhaust Box Gasket Part# 48011100 — Qty 1
- Busch Oil Cooler Gasket Part# 480537332 — Qty 2
O-Rings & Seals
- Busch O-Ring,Silicone,420MM LONG Part# 48206600-420MM — Qty 1
- O-ring, FKM - Part# 48650500 — Qty 1
- Busch O-Ring,Viton,35 X 4 MM Part# 48651200 — Qty 8
- O-Ring,FKM — Qty 4
- O-Ring, FKM - Part# 48654900 — Qty 2
- Busch O-Ring,Viton,25 X 2 MM Part# 48656100 — Qty 2
- O-ring, 140 x 5 mm - Viton, Part# 48656700 — Qty 2
- O-ring, 28 x 3 mm - Viton, Part# 79509 — Qty 1
- O-ring, 97 x 5 mm - Viton, Part# 48661100 — Qty 1
- Busch O-Ring,Viton,266.3 x 3.53mm Part# 486903988 — Qty 2
- Busch Shaft Seal, Viton Part# 48703200 — Qty 4
- O-ring, 8 x 2 mm - Viton, Part# PL23970149 — Qty 2
Filters & Bearings
- Busch Needle Bearing - No Sleeve (Race) Part# 47300900 — Qty 2
- Busch Bearing, Sleeve (Race) Part# 47201100 — Qty 2
- Busch Bearing Sleeve Part# 47201000 — Qty 2
Drive & Mechanical
- Busch R5 Inlet Ball Valve, Viton - Part# 73001800 — Qty 1
- Busch Sight Glass Part# 83623 — Qty 1
- Busch Taper Pin, Threaded Part# 43708000 — Qty 4
- Busch Hex Nut, M8 Part# 42000700 — Qty 2
- Oil Drain Plug, 1/2" Nylon — Qty 1
- Sight Glass Assembly — Qty 1
Complete Bill of Materials
| Part Number | Description | Qty |
|---|---|---|
| 48206600-420MM | Busch O-Ring,Silicone,420MM LONG Part# 48206600-420MM | 1 |
| 48023100 | Busch Oil Sight Glass Gasket Part# 48023100 | 1 |
| 48013400 | Busch Side Cover Plate Gasket Part# 48013400 | 1 |
| 48210600 | Busch Oil Fill Plug Gasket Part# 48210600 | 1 |
| 48402900 | Busch Ring Gasket, Copper Part# 48402900 | 1 |
| 48403400 | Busch Ring Gasket Part# 48403400 | 2 |
| 48404000 | ring Gasket, Busch, R5, 0160B, 0250B, 0160D, Part# 48404000 | 2 |
| 48406200 | Busch Ring Gasket Part# 48406200 | 1 |
| 48650500 | O-ring, FKM - Part# 48650500 | 1 |
| 48651200 | Busch O-Ring,Viton,35 X 4 MM Part# 48651200 | 8 |
| 48652100 | O-Ring,FKM | 4 |
| 48654900 | O-Ring, FKM - Part# 48654900 | 2 |
| 48656100 | Busch O-Ring,Viton,25 X 2 MM Part# 48656100 | 2 |
| 48656700 | O-ring, 140 x 5 mm - Viton, Part# 48656700 | 2 |
| 73001800 | Busch R5 Inlet Ball Valve, Viton - Part# 73001800 | 1 |
| 79509 | O-ring, 28 x 3 mm - Viton, Part# 79509 | 1 |
| 83623 | Busch Sight Glass Part# 83623 | 1 |
| 481532126 | Busch Float Valve Cover Gasket Part# 481532126 | 1 |
| 481529712 | Busch Float Valve Gasket Part# 481529712 | 1 |
| 48013100 | Busch Exhaust Box Cover Gasket Part# 48013100 | 1 |
| 48012800 | Busch Gasket Part# 48012800 | 1 |
| 48011100 | Busch Cylinder/Exhaust Box Gasket Part# 48011100 | 1 |
| 47300900 | Busch Needle Bearing - No Sleeve (Race) Part# 47300900 | 2 |
| 47201100 | Busch Bearing, Sleeve (Race) Part# 47201100 | 2 |
| 47201000 | Busch Bearing Sleeve Part# 47201000 | 2 |
| 43708000 | Busch Taper Pin, Threaded Part# 43708000 | 4 |
| 42000700 | Busch Hex Nut, M8 Part# 42000700 | 2 |
| 48661100 | O-ring, 97 x 5 mm - Viton, Part# 48661100 | 1 |
| 486903988 | Busch O-Ring,Viton,266.3 x 3.53mm Part# 486903988 | 2 |
| 48703200 | Busch Shaft Seal, Viton Part# 48703200 | 4 |
| 710000010 | Oil Drain Plug, 1/2" Nylon | 1 |
| 72245400CF | Busch R5 0400B Vane, Carbon Fiber- Part# 72245400CF | 3 |
| 480537332 | Busch Oil Cooler Gasket Part# 480537332 | 2 |
| PL23970149 | O-ring, 8 x 2 mm - Viton, Part# PL23970149 | 2 |
| 500015PP | Sight Glass Assembly | 1 |