Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel to their diesel engines. GM used the pump on its 6.6-liter LGH and LML Duramax diesel ...
(WHTM) – Owners of certain Chevrolet and GMC trucks ... “CP4” high-pressure diesel fuel pumps. The purchase needs to have been from a GM-authorized dealer in California, Florida, Illinois ...