Bosch CP3 Injection Pump Shaft Nut - 03-18 Dodge Cummins 5.9L 6.7L

Product Name: Bosch CP3 Injection Pump Shaft Nut - 03-18 Dodge Cummins 5.9L 6.7L
Manufacturer: Bosch
Manufacturer Part #: 2915030057
Thoroughbred Diesel Part #: BOS2915030057
Fitment Notes: 2003-2018 Dodge Cummins 5.9L 6.7L

Genuine Bosch CP3 Drive Shaft Nut for 2003-2018 5.9L/6.7L Cummins. This is the same exact part you would get from a Cummins and/or Mopar dealership.

The Bosch CP3 Injection Pump Shaft Nut - 2915030057 is a genuine OEM-grade retaining nut designed for 2003–2018 Dodge Ram Cummins 5.9L and 6.7L diesel engines equipped with the Bosch CP3 fuel injection pump. This precision-machined nut secures the CP3 (and related VP44/drive interface applications in similar setups) to the pump drive shaft, ensuring proper torque retention and stable pump operation under high-pressure diesel conditions. Built to exact Bosch specifications, it provides a direct replacement for factory hardware and is commonly used in dealership-level repairs and professional diesel service applications.

This mounts to the CP3/VP44 fuel injection pump shaft.

Cross References:

• Bosch: 2 915 030 057, 2915030057
• Cummins: 4890634, 3977394
• Mopar: 5086769AA

Bosch CP3 Injection Pump Shaft Nut Features:

• Genuine Bosch OEM replacement part (2915030057)
• Designed for Cummins 5.9L (2003–2007) and 6.7L (2007–2018) CP3 systems
• Secures CP3 injection pump to drive shaft for stable operation
• Precision-machined for exact fitment and OEM torque specifications
• Helps maintain proper injection timing and fuel system reliability
• Resistant to vibration loosening under heavy-duty diesel operation
• Direct-fit replacement used in dealership-level repairs
• Essential hardware component for CP3 pump installation and service
• For more information on Bosch call us at 1-859-737-4966