Product Description
Busch RA0250 / RA0302 Overhaul Kit – 993516590
Compare to BMKF020 and Save
This complete overhaul kit is designed for Busch RA0250 and RA0302 rotary vane vacuum pumps. It includes the critical wear components required for a full rebuild, helping restore vacuum performance, improve sealing, and extend pump service life.
Comparable To: BMKF020
Part Number: 993516590
Type: Overhaul Kit
Condition: New
OEM Equivalent: Yes
Kit Includes
Filters
| Component | Part Number | Qty |
|---|---|---|
| Oil Filter | 0531000001 | 1 |
| Exhaust Filter | 0532140159 | 3 |
| Screen | 0534000041 | 1 |
| Filter Spring | 0947000720 | 3 |
Vanes & Bearings
| Component | Part Number | Qty |
|---|---|---|
| Vane | 0722516729 | 3 |
| Needle Bearing RNA4906 | 0473507139 | 2 |
| Shaft Sleeve | 0472000008 | 2 |
Seals & O-Rings
| Component | Part Number | Qty |
|---|---|---|
| Shaft Seal | 0487000012 | 4 |
| O-Ring – Oil Filling | 0482000021 | 1 |
| O-Ring – Oil Drain | 0486000505 | 1 |
| O-Ring 186 x 3.5 mm | 0486000543 | 2 |
| O-Ring 16.2 x 3 mm | 0486000587 | 4 |
| O-Ring 87 x 3 mm | 0486000531 | 2 |
| O-Ring 65 x 3 mm | 0486000526 | 1 |
Gaskets
| Component | Part Number | Qty |
|---|---|---|
| Cylinder Gasket | 0481502721 | 1 |
| Gasket | 0481502719 | 2 |
| Gasket | 0481516781 | 1 |
| Gasket | 0481502720 | 1 |
Valves & Internal Components
| Component | Part Number | Qty |
|---|---|---|
| Exhaust Valve | 0916516777 | 3 |
| Valve Plate | 0710523021 | 1 |
| Guide for Valve Plate | 0710523020 | 1 |
| Compression Spring | 0435523022 | 1 |
| Float Valve | 0947516622 | 1 |
Hardware & Miscellaneous
| Component | Part Number | Qty |
|---|---|---|
| Oil Sight Glass | 0583000006 | 1 |
| Oil Fill Plug | 0710000002 | 1 |
| Oil Drain Plug | 0710000010 | 1 |
| Coupling Sleeve | 0512000005 | 1 |
| Taper Pin | 0437502718 | 4 |
Recommended Oil
For best performance after rebuild, use VPS M100 Vacuum Pump Oil. Proper oil helps maintain vacuum performance, supports cooling, and extends pump life.
Features
- Complete overhaul kit for full pump rebuild
- Compatible with Busch RA0250 and RA0302 vacuum pumps
- Includes vanes, filters, seals, bearings, gaskets, and internal components
- OEM-equivalent fit and performance
- Cost-effective alternative to BMKF020
Compatible With
- Busch RA0250 rotary vane vacuum pumps
- Busch RA0302 rotary vane vacuum pumps
Recommended Accessories
When rebuilding your Busch RA0250 or RA0302 pump, it is recommended to replace oil and exhaust filters and refill with fresh vacuum pump oil. Adding oil at the time of rebuild helps ensure the pump is properly lubricated before returning to service.
Note: This is an OEM-equivalent aftermarket overhaul kit. Manufacturer names and part numbers are used for identification and compatibility reference only.
