Spare parts for Bosch CP4 pumps commonly used in the third generation common rail passenger cars and light commercial vehicles from 2008

With over 60 million CP4 pumps and up to 500,000 start stop applications, the Bosch CP4 pump is a highly successful high pressure diesel fuel injection pump in today’s competitive market.

Boasting a flexible modular design, CP4 pumps have a wide range of applications and can deliver up to 2,700 bar pressure.

The fuel-lubricated CP4 can consist of either one or two high-pressure elements. Each is situated in a housing and driven by a camshaft which moves the pump pistons to create the required injection pressure.