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 ...

There are technically two versions of the CP4 pump, CP4.1 and CP4.2; however, they're typically referred to collectively as CP4. The difference being the CP4.1 pumps contain a single pumping ...

Diesel-Powered Ford F-250 Owners Report Problems With Fuel Pumps The high pressure fuel pump associated with the 6.7L Power ...