Upgrade your Cummins engine with the 3901395 Flywheel Hexagon Head Cap Screw. Designed to fit perfectly in 4BT, 6BT, and 6C8.3 engines, this high-quality screw ensures secure and precise fastening, keeping your engine running smoothly.
| PN | NAME | QTY |
| 3901395 | Fracture Resistant Screw | 8 |
| 3900269 | Plain Washer | 8 |