Product Description
RA0250/302-Seal Kit-0990 516 591 for Busch 0250C / 0250D / 0302D - -990516591 - OEM Equivalent
Repair Kit for Busch - OEM Equivalent
OEM-equivalent replacement, not manufactured by Busch, supplied by Vacuum Pump Supply.
Compatible Pump Models
- 0250C
- 0250D
- 0302D
Complete Bill of Materials
| Pos. | Part Number | Description | Qty |
|---|---|---|---|
| 50 | 0486 000 543 | O-ring 186 X 3.5 MM | 2 |
| 49+242 | 0486 000 587 | O-ring 16.2 X 3mm | 4 |
| 35 | 0487 000 012 | Shaft seal 35*47*7 | 4 |
| 106 | 0481 502 719 | gasket | 1 |
| 206 | 0481 502 719 | gasket | 1 |
| 141 | 0481 502 721 | gasket | 1 |
| 185 | 0481 516 781 | gasket | 1 |
| 162 | 0481 502 720 | gasket | 1 |
| 255 | 0486 000 531 | O-ring 87 X 3 MM | 2 |
| 253 | 0486 000 526 | O-Ring,65 X 3 MM | 1 |
| 89 | 0482 000 021 | O-Ring（Oil filling） | 1 |
| 96 | 0486 000 505 | O-Ring（Drain oil） | 1 |
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 v-990516591.
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.
Product Videos
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