Product Description
Kit Repair/Maintenance for Becker U4.100D / U4.100 - 33801400-D0 - OEM Equivalent
Compatible Pump Models
- U4.100D
- U4.100
- D0
Kit Includes
Vanes
- Becker Vane - GX, Part# 90051200000 — Qty 3
Gaskets
- Oil Tank Cover Gasket, Becker, U Series, U4.70D, U4.70E, U4.70F, U4.70G, U4.70H, U4.70, U4.100D, U4.100F, U4.100, U4.100G, U4.100H, Part# 700026200 — Qty 1
- Gasket, Buna, Becker U4.70 / U4.100 Series, Part# 300155 — Qty 1
- Cover Gasket, Becker U Series - Part # 00310126200 — Qty 1
- Cover Gasket, Becker U Series - Part # 00300226200 — Qty 1
O-Rings & Seals
- O-ring, 34.52 x 3.53mm (AS568-220) - Viton, Part# 91311650100 — Qty 1
- Sealing ring, Becker, U Series, Part# 94802100000 — Qty 2
- Sealing ring, Aluminium, Becker, U Series, U4.70D, U4.70E, Part# 94801300000 — Qty 1
- Sealing ring, Copper-Becker U Series, Part# 94803000000 — Qty 5
- Sealing ring, Copper - Part# 94800200000 — Qty 7
- Sealing ring, Copper- Becker U Series, Part# 94802300000 — Qty 8
- Sealing Ring Becker, U Series, U4.70D, U4.70E, U4.70F, U4.70G, U4.70H, U4.70, U4.100D, U4.100F, U4.100, Part# 91760900000 — Qty 2
- Shaft Seal, Viton - 28 x 47 x 10 mm, Becker, U Series, Part# 90656000000 — Qty 2
- O-ring, 11 x 1.5mm - Viton, Part# 91311560100 — Qty 2
- O-ring, 126.72 x 1.78 mm - Viton, Part# 91311570100 — Qty 2
- O-ring, 70 x 3.0 mm - Buna, Part# 91311900000 — Qty 1
- Sealing ring, Fiber, Becker, U Series, Part# 94802900000 — Qty 1
- O-ring, 26 x 2 mm - Viton, Part# 91311670100 — Qty 2
- Sealing ring, Fiber, 31.8 x 27 x 1.9 mm, Becker, U Series, Part# 300085 — Qty 2
- Sealing ring, Fiber, 39 x 33.5 x 1.9 mm, Becker, U Series, Part# 300086 — Qty 1
- Sealing ring, Aluminium-Becker U Series, Part# 94803000100 — Qty 5
Filters & Bearings
- Ball Bearing, 6206, Becker, U Series, Part# 90661140000 — Qty 2
- Exhaust Filter, Becker U Series - Part # 96541600000 — Qty 1
- Filter Cartridge, Becker, U Series, U4.100D, U4.100F, Part# 84040207000 — Qty 1
Drive & Mechanical
- Valve Washer, Becker, U Series, Part# 420041 — Qty 1
- Distance Disc, Becker, U Series, U4.70D, U4.70E, Part# 91750100000 — Qty 2
- Spider Coupling, Rotex GR24, Becker, U Series, Part# 90220010600 — Qty 1
- Coarse Separator, Becker, U Series, Part# 50600026200 — Qty 1
- Float Assembly, Becker, U Series, Part# 86780099559 — Qty 1
- Washer, Valve, Becker, U Series, Part# 63070010700 — Qty 2
- Valve Washer, Copper — Qty 2
Complete Bill of Materials
| Part Number | Description | Qty |
|---|---|---|
| 91311650100 | O-ring, 34.52 x 3.53mm (AS568-220) - Viton, Part# 91311650100 | 1 |
| 94802100000 | Sealing ring, Becker, U Series, Part# 94802100000 | 2 |
| 420041 | Valve Washer, Becker, U Series, Part# 420041 | 1 |
| 94801300000 | Sealing ring, Aluminium, Becker, U Series, U4.70D, U4.70E, Part# 94801300000 | 1 |
| 94803000000 | Sealing ring, Copper-Becker U Series, Part# 94803000000 | 5 |
| 94800200000 | Sealing ring, Copper - Part# 94800200000 | 7 |
| 94802300000 | Sealing ring, Copper- Becker U Series, Part# 94802300000 | 8 |
| 90051200000 | Becker Vane - GX, Part# 90051200000 | 3 |
| 91760900000 | Sealing Ring Becker, U Series, U4.70D, U4.70E, U4.70F, U4.70G, U4.70H, U4.70, U4.100D, U4.100F, U4.100, Part# 91760900000 | 2 |
| 91750100000 | Distance Disc, Becker, U Series, U4.70D, U4.70E, Part# 91750100000 | 2 |
| 90656000000 | Shaft Seal, Viton - 28 x 47 x 10 mm, Becker, U Series, Part# 90656000000 | 2 |
| 90662200000 | Ball Bearing, 6206, Becker, U Series, Part# 90661140000 | 2 |
| 90220010600 | Spider Coupling, Rotex GR24, Becker, U Series, Part# 90220010600 | 1 |
| 96541600000 | Exhaust Filter, Becker U Series - Part # 96541600000 | 1 |
| 50600026200 | Coarse Separator, Becker, U Series, Part# 50600026200 | 1 |
| 84040207000 | Filter Cartridge, Becker, U Series, U4.100D, U4.100F, Part# 84040207000 | 1 |
| 86780099559 | Float Assembly, Becker, U Series, Part# 86780099559 | 1 |
| 91311560100 | O-ring, 11 x 1.5mm - Viton, Part# 91311560100 | 2 |
| 91311570100 | O-ring, 126.72 x 1.78 mm - Viton, Part# 91311570100 | 2 |
| 63070010700 | Washer, Valve, Becker, U Series, Part# 63070010700 | 2 |
| 03070018700 | Valve Washer, Copper | 2 |
| 91311900000 | O-ring, 70 x 3.0 mm - Buna, Part# 91311900000 | 1 |
| 94802900000 | Sealing ring, Fiber, Becker, U Series, Part# 94802900000 | 1 |
| 00700026200 | Oil Tank Cover Gasket, Becker, U Series, U4.70D, U4.70E, U4.70F, U4.70G, U4.70H, U4.70, U4.100D, U4.100F, U4.100, U4.100G, U4.100H, Part# 700026200 | 1 |
| 91311670100 | O-ring, 26 x 2 mm - Viton, Part# 91311670100 | 2 |
| 300085 | Sealing ring, Fiber, 31.8 x 27 x 1.9 mm, Becker, U Series, Part# 300085 | 2 |
| 300086 | Sealing ring, Fiber, 39 x 33.5 x 1.9 mm, Becker, U Series, Part# 300086 | 1 |
| 94803000100 | Sealing ring, Aluminium-Becker U Series, Part# 94803000100 | 5 |
| 300155 | Gasket, Buna, Becker U4.70 / U4.100 Series, Part# 300155 | 1 |
| 00310126200 | Cover Gasket, Becker U Series - Part # 00310126200 | 1 |
| 00300226200 | Cover Gasket, Becker U Series - Part # 00300226200 | 1 |
Product Details
| Kit Part Number | 33801400-D0 |
| Brand | Vacuum Pump Supply |
| Type | OEM-Equivalent Repair Kit |
OEM Cross Reference
This part replaces: Becker OEM Part # 33801400-D0
Recommended Oil
VPS M-Series mineral oils are the standard replacement direction for Becker rotary vane pumps. Confirm your exact pump model and viscosity requirement using the full oil cross reference chart before ordering.
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 Becker Vacuum Pump Solutions
Vacuum Pump Supply stocks OEM-equivalent Becker repair kits, filters, vanes, gaskets, seals, bearings, and service parts for pump maintenance and rebuild work.
Becker 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 Becker product?
No. This is an OEM-equivalent product supplied by Vacuum Pump Supply.
What is the part number?
The part number is 33801400-D0.
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 Becker - OEM Equivalent
OEM-equivalent replacement, not manufactured by Becker, supplied by Vacuum Pump Supply.
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