3E8877
Seal Kit, 2-3/8 X 4-1/2 -- Caterpillar
Fits the following:
| Model Num | Application | Cylinder | Serial Num | Bore | Rod | Code |
| 416B | BACKHOE BOOM | 6.00E+274 | - | 4.5 | 2.375 | P-UB-10 |
| 416C | BACKHOE BOOM | 6.00E+274 | - | 4.5 | 2.375 | P-UB-10 |
| 428B | BACKHOE BOOM | 6.00E+274 | - | 4.5 | 2.375 | P-UB-10 |
| 428C | BACKHOE BOOM | 6.00E+274 | - | 4.5 | 2.375 | P-UB-10 |
| 436B | BACKHOE BOOM | 6.00E+274 | - | 4.5 | 2.375 | P-UB-10 |
Caterpillar, CTC3E8877
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