Ensure optimal engine performance with the 5290097 Main Bearing (Standard) Set 4309117, designed specifically for Cummins Engine 4BT, ISF3.8, and QSF3.8. Precision-engineered for durability and reliable fit in professional engine rebuilds.
| PN | NAME | QTY |
|---|---|---|
| 4948504 | MAIN BEARING | 4 |
| 4948505 | MAIN BEARING | 5 |
| 4948506 | CRANKSHAFT THRUST BEARING | 1 |