Product Description
Overhaul Kit for Busch RA0255 / RA0305 Vacuum Pumps – 993525286 – OEM Equivalent
This complete overhaul kit is designed for Busch RA0255 and RA0305 rotary vane vacuum pumps and is compatible with D-series models. It includes critical wear components required for a full rebuild, restoring vacuum performance, improving sealing, and extending pump service life.
Comparable To: BMKF018
CLICK HERE FOR PUMP SCHEMATICS
Major Overhaul Kit Contents
| Category | Part Number | Description | Qty |
|---|---|---|---|
| Filter | 0531000001 | Oil Filter | 1 |
| Filter | 0532140159 | Exhaust Filter | 3 |
| Filter | 0947000720 | Filter Spring | 3 |
| Vanes | 0722516729 | Carbon Vanes | 3 |
| Bearing | 0473507139 | Needle Bearing RNA4906 | 2 |
| Shaft Component | 0472000008 | Shaft Sleeve | 2 |
| Seal | 0487000012 | Shaft Seal 35×47×7 | 4 |
| Seal | Various | O-Ring Set (Multiple Sizes) | Multiple |
| Gasket | 0481502721 | Cylinder Gasket | 1 |
| Valve | 0916516777 | Exhaust Valve | 3 |
| Valve | — | Valve Plate & Guide | Included |
| Valve | — | Compression Spring | Included |
| Misc. | — | Oil Sight Glass | 1 |
| Misc. | — | Drain & Fill Plugs | Included |
| Misc. | — | Coupling Sleeve | 1 |
| Misc. | — | Taper Pins | 4 |
Features
- Complete overhaul kit for full pump rebuild
- Compatible with Busch RA0255 and RA0305 vacuum pumps
- Includes vanes, filters, bearings, seals, and valve components
- OEM-equivalent fit and performance
- Helps restore vacuum performance and reduce oil contamination
Recommended Vacuum Pump Oil
Fresh vacuum pump oil is critical after rebuilding your pump. We recommend changing oil and exhaust filters during installation of this overhaul kit.
Compatible Pumps
- Busch RA0255
- Busch RA0305
- Busch RA0255D
- Busch RA0305D
Part Number: 993525286
Type: Major Overhaul Kit
Condition: New
OEM Equivalent: Yes
