Bosch CP4.2 High-Pressure Fuel Pump 0445010622 – Specifications, Performance, Applications & Maintenance Guide
The Bosch CP4.2 high-pressure fuel pump 0445010622 is a widely used common rail diesel injection component designed for modern high-efficiency diesel engines. It is part of Bosch’s fourth-generation CP pump series, engineered to deliver extremely high injection pressure while reducing size and improving fuel efficiency. This pump is most commonly associated with Ford 6.7L Powerstroke diesel engines (2011–2014) and is also used in several light-duty and medium-duty diesel platforms. 1. Overview of Bosch CP4.2 Pump Technology The CP4.2 is a compact, high-pressure fuel pump developed to meet stricter emissions and fuel efficiency standards. Compared with earlier CP3 systems, it offers: Smaller physical size Higher pressure capability Improved engine packaging Better fuel economy performance However, this design also requires highly clean and properly lubricated fuel due to its tight internal tolerances. The CP4 series includes: CP4.1 – single piston design CP4.2 – dua...