Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...

The CP4 fuel pump can be problematic in the long term which is why you'll want to know if your vehicle has one. Here's how to ...

Ford is the only major automaker to continue using the CP4 injection pump since first installing them on its 6.7-liter Power Stroke diesel engines. There are technically two versions of the CP4 ...

See All 20 Photos A new injection pump from Industrial Injection replaces the factory VP44. See All 20 Photos Siskiyou Diesel's Matt Ray handled the delicate-but-muscle-intensive job of working ...

Jasper Engines & Transmissions is remanufacturing the Bosch VP44 diesel injection pump. The pump was found on 1998-2002 Cummins B Series engines used in Dodge Ram pickups, Freightliner medium-duty ...

The genuinely expensive parts of the Diesel Rabbit are meant to last forever, with a check of the injectors scheduled every 60,000 miles. The sophisticated Bosch fuel-injection pump is one of ...

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 ...