Product Descreiption
1. Specifications
- Part Number: 3931380 (cross-reference: 3918778, 3923578)
- Application: Cummins QSC8.3, 6CT, 4B engines
- Material: Cast iron
- Teeth: 118
- Features: Precision-machined, heat-treated for durability
2. Installation Location
- Mounted on the fuel pump drive shaft at the front of the engine.
- Meshes with the camshaft gear inside the gear housing.
- Secured by bolts to the fuel pump assembly.
3. Function
- Transmits rotational power from the camshaft to the fuel pump.
- Drives the fuel pump to deliver high-pressure fuel to the injectors.
- Ensures precise fuel delivery timing for optimal engine performance
