$653.10
This is the Major Overhaul Kit for the Becker U4.20 pump (Part #33805600000) . It includes everything you need for a complete pump rebuild: O-rings, gaskets, shaft seals, exhaust filter, bearings, coupling components, vanes (3 pieces), and float assembly . This “Complete Rebuild Kit” brings your U4.20 pump back to factory specifications and is designed for when your pump requires more attention than standard maintenance to make it run like new again
Major Overhaul Kit, Becker, U Series, U4.20, Part# 33805600000
Major Overhaul Kit, Becker, U Series, U4.20, Part# 33805600000
Based on the official bill of materials , here is exactly what you get:
Gaskets (The Main Seals)
| Part Number | Description | Quantity |
|---|---|---|
| 00300040300 | Gasket, Becker, U Series | 1 |
| 00310040300 | Gasket, Becker U4.20 | 1 |
Vanes (The Air Movers)
| Part Number | Description | Quantity |
|---|---|---|
| 90058300000 | Vane – GX – Becker, U Series | 3 |
Filtration System (The Lungs)
| Part Number | Description | Quantity |
|---|---|---|
| 96541300000 | Exhaust Filter, Becker, U Series, U4.20 | 1 |
| 84040105000 | Filter Cartridge, Becker, U Series, U4.20 | 1 |
| 74000101000 | Filter, Becker, U Series | 1 |
Sealing System (The Leak Stoppers)
| Part Number | Description | Quantity |
|---|---|---|
| 90656000000 | Shaft Seal, Viton (implied via bearing part) | – |
| 94803000100 | Sealing ring, Aluminum | 3 |
| 94803000000 | Sealing ring, Copper | 2 |
| 94801310000 | Busch Sealing Ring, Aluminum | 1 |
| 94802100000 | Sealing ring, Fiber | 1 |
| 94806200000 | Sealing ring, Fiber | 1 |
| 300086 | Sealing ring, Fiber (39 x 33.5 x 1.9 mm) | 2 |
| 300094 | Sealing ring, Fiber (46.7 x 40.0 x 1.9 mm) | 1 |
| 300090 | Sealing ring, Copper (13.16 x 10.4 x 0.8 mm) | 2 |
| 300091 | Sealing ring, Copper (21.75 x 16.4 x 1.3 mm) | 1 |
| 300093 | Sealing ring, Silicone (23.0 x 8.0 x 3 mm) | 1 |
| 300092 | Sealing ring, Viton (22.8 x 8 x 2.8 mm) | 1 |
| 310097 | Dowty Seal (18.5 x 11.8 x 1.5 mm) | 8 |
O-Rings (Viton & Buna)
| Part Number | Description | Quantity |
|---|---|---|
| 91311650100 | O-ring, 34.52 x 3.53mm (AS568-220) – Viton | 2 |
| 320024 | O-ring, 75.92 x 1.78 mm – Viton | 2 |
| 320025 | O-ring, 5 x 2.5mm – Buna | 2 |
| 320304 | O-ring, 28 x 2.5mm – Viton | 1 |
| PL23970416 | O-ring, 40 x 2 mm – Viton | 1 |
Valve Components & Hardware
| Part Number | Description | Quantity |
|---|---|---|
| 86780099559 | Float Assembly | 1 |
| 63070010700 | Washer, Valve | 1 |
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10 in stock
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10 in stock
10 in stock
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