The 4955856 Main Bearing (010) +0.25mm Set is engineered for Cummins 4BT, ISF3.8, and QSF3.8 engines, ensuring precise fit and reliable performance. Ideal for professional engine rebuilds requiring durability and accurate tolerances.
| PN | NAME | QTY |
|---|---|---|
| 4938933 | MAIN BEARING | 4 |
| 4938937 | MAIN BEARING | 5 |
| 4938949 | CRANKSHAFT THRUST BEARING | 1 |