$117.60
This is the Seal & Gasket Kit for the Becker U4.40 pump (Part #54900040500) . It includes every gasket, O-ring, sealing ring, shaft seal, and valve washer you need for a complete seal replacement on your oil-lubricated U Series pump . This Becker Original Gasket Set allows you to change all gaskets and seals in the U4.40 pump . The kit contains gaskets (00310040500, 00300040500), shaft seal (90656000000, 28 x 47 x 10 mm), O-rings (Viton and Buna in various sizes), copper and aluminum sealing rings (over 15 pieces), fiber sealing rings, and valve washers
Seal & Gasket Kit, Becker, U Series, U4.40, Part# 54900040500
Seal & Gasket Kit, Becker, U Series, U4.40, Part# 54900040500
Based on the official bill of materials from the product page , here is exactly what you get, organized by category:
Gaskets (The Main Seals)
| Part Number | Description | Quantity |
|---|---|---|
| 00310040500 | Gasket, Becker U4.40 – Main pump housing gasket | 1 |
| 00300040500 | Gasket, Becker, U Series – Cover gasket | 1 |
Shaft Seal (The Critical Leak Stopper)
| Part Number | Description | Quantity |
|---|---|---|
| 90656000000 | Shaft Seal, Viton – 28 x 47 x 10 mm – Stops oil leaks along the motor shaft | 1 |
Valve Components
| Part Number | Description | Quantity |
|---|---|---|
| 63070010700 | Washer, Valve – Becker, U Series | 1 |
| 03070018700 | Valve Washer, Copper | 1 |
O-Rings (Viton & Buna)
| Part Number | Description | Material | Quantity |
|---|---|---|---|
| 91311680100 | O-ring, 60 x 2 mm | Viton | 1 |
| 91311670100 | O-ring, 26 x 2 mm | Viton | 2 |
| 91312700100 | O-ring, 31 x 2.5 mm | Viton | 1 |
| 91311650100 | O-ring, 34.52 x 3.53 mm (AS568-220) | Viton | 2 |
| 91311550100 | O-ring, 8 x 2 mm | Viton | 2 |
| 320177 | O-ring, 18 x 2.0 mm | Viton | 1 |
| 320025 | O-ring, 5 x 2.5 mm | Buna | 2 |
Copper Sealing Rings (Heat Resistant)
| Part Number | Description | Quantity |
|---|---|---|
| 300087 | Sealing ring, Copper – 19.75 x 14.50 x 1.3 mm | 8 |
| 94800200000 | Sealing ring, Copper | 4 |
| 94803000000 | Sealing ring, Copper – Becker U Series | 1 |
Aluminum Sealing Rings (Soft & Crushable)
| Part Number | Description | Quantity |
|---|---|---|
| 94803000100 | Sealing ring, Aluminum – Becker U Series | 3 |
Fiber Sealing Rings (For Lower Pressure Sealing)
| Part Number | Description | Quantity |
|---|---|---|
| 300086 | Sealing ring, Fiber – 39 x 33.5 x 1.9 mm | 1 |
| 94802100000 | Sealing ring, Fiber – Becker, U Series | 1 |
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