Product Description
Major Repair Kit for Alcatel 2021SD - 103905 - OEM Equivalent
Compatible Pump Models
- 2021SD
Product Details
| Kit Part Number | 103905 |
| Brand | Vacuum Pump Supply |
| Type | OEM-Equivalent Repair Kit |
What This Kit Includes
- Filters where included by kit configuration
- Vanes where included by kit configuration
- Gaskets and sealing components
- Seals and O-rings
- Bearings where included by kit configuration
Complete Bill of Materials
| Part Number | Description | Qty |
|---|---|---|
| 53760 | Anti-Suckback Nib, Buna | 1 |
| 52541 | Valve Spring | 4 |
| 390007 | Valve Disk | 4 |
| 65791 | Valve | 1 |
| 65799 | Spring | 1 |
| 65797 | Spring | 1 |
| 65759FR | 1st Stage Vane, GX | 2 |
| 65756FR | 2nd Stage Vane, GX | 2 |
| 53040 | Vane Spring | 8 |
| 79513 | O-Ring, 90 × 2 mm | 4 |
| 40005 | O-Ring, 9.25 × 1.78 mm | 1 |
| 320035 | O-Ring, 17.12 × 2.62 mm | 3 |
| 320109 | O-Ring, 33 × 2.5 mm | 1 |
| 79509 | O-Ring, 28 × 3 mm | 1 |
| 79148 | O-Ring, 165 × 3 mm | 1 |
| 320067 | O-Ring, 63.09 × 3.53 mm | 1 |
| 320036 | O-Ring, 12.1 × 2.7 mm | 1 |
| 79537 | O-Ring, 7.5 × 1.5 mm | 1 |
| 82004 | O-Ring, 5.7 × 1.9 mm | 3 |
| 82007 | O-Ring, 10.77 × 2.62 mm | 1 |
| 82014 | O-Ring, 34.1 × 3.6 mm | 1 |
| 82025 | O-Ring, 29.3 × 3.6 mm | 4 |
| 82063 | Shaft Seal, Viton | 4 |
| 420029 | Flat Washer, Steel | 2 |
| 73460 | Wave Washer M6 | 19 |
| 73453 | Wave Washer M5 | 1 |
| 73452 | Wave Washer M4 | 4 |
| 71161 | C-Clip | 1 |
| 71067 | Shaft Key | 1 |
| 71040 | Centring Pin | 4 |
| 52553 | Elastic Coupler | 1 |
| 720007 | Felt Pad | 1 |
| 340024 | Anti-Suckback Device | 1 |
| 250010 | Shouldering Ring, Coated | 1 |
| 580031 | Gas Ballast Sleeve | 1 |
| 65784 | Sight Glass | 1 |
| 82604 | Drain Plug, Plastic | 3 |
| P52700 | Anti-Suckback Lever, Viton | 1 |
OEM Cross Reference
This part replaces: Alcatel OEM Part # 103905
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 Alcatel Vacuum Pump Solutions
Vacuum Pump Supply stocks OEM-equivalent Alcatel repair kits, filters, vanes, gaskets, seals, bearings, and service parts for pump maintenance and rebuild work.
Alcatel 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 Alcatel product?
No. This is an OEM-equivalent product supplied by Vacuum Pump Supply.
What is the part number?
The part number is 103905.
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.
Repair Kit for Alcatel - OEM Equivalent
OEM-equivalent replacement, not manufactured by Alcatel, supplied by Vacuum Pump Supply.
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