Product Description
Major Repair Kit for Alcatel 2021SD 103905FR – OEM Equivalent
This OEM-equivalent major repair kit is designed for Alcatel Adixen 2021SD rotary vane vacuum pumps. Replacing worn vanes, seals, O-rings, valves, springs, and related service components helps restore vacuum performance, reduce oil contamination, and extend pump service life.
Designed to meet or exceed OEM specifications, this rebuild kit provides the critical wear components needed for a complete overhaul of the Alcatel 2021SD vacuum pump.
Product Information
| Part Number | 103905FR |
| Type | Major Repair Kit |
| Condition | New OEM Equivalent |
| Compatible Pump | Alcatel Adixen 2021SD |
Kit Includes
Valves & Mechanical Components
| 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 |
Vanes & Pump Internals
| Part Number | Description | Qty |
|---|---|---|
| 65759FR | 1st Stage Vane, GX | 2 |
| 65756FR | 2nd Stage Vane, GX | 2 |
| 53040 | Vane Spring | 8 |
Seals & O-Rings
| Part Number | Description | Qty |
|---|---|---|
| 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 |
Hardware & Structural Components
| Part Number | Description | Qty |
|---|---|---|
| 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 |
Additional Components
| Part Number | Description | Qty |
|---|---|---|
| 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 |
Recommended Add-Ons
- Vacuum Pump Oil: VPS M100 Mineral Vacuum Pump Oil
- Shop All Oils: Vacuum Pump Oils & Fluids
- Flushing Fluid: FF-005 Vacuum Pump Flushing Fluid
Alcatel Adixen Resources
- Alcatel Adixen Repair Kits & Parts Resource Page
- Browse Alcatel 2021SD Repair Kits & Parts
- Browse Alcatel Adixen Oils & Maintenance Products
Compatible Pumps
- Alcatel 2021SD
- Adixen 2021SD
- Pascal 2021SD Series Applications
For best results, replace vacuum pump oil and inspect filtration during rebuild. Proper maintenance helps maintain vacuum performance, reduce oil mist, and extend service life.
