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 earliest inline injection pumps delivered 3,000-5,000 psi of injection pressure, while the newer Bosch P7100, found on '94 to '981/2 Cummins engines, delivers 18,000 psi of pressure.

Despite the favorable attributes, the 5.9L Cummins in this generation uses a VP44 injection pump (the weak link, if you will) known for lasting anywhere between 100,000 to 150,000 miles before it ...

Ram and Jeep used the CP4 pump on vehicles equipped with the 3.0-liter Cummins diesel from 2014 to 2023 with Ram also using it on the 6.7-liter Cummins in its pickup trucks from 2019 to 2020.

All Cummins ISX engines have the XPI common-rail injection system, which uses a crankshaft-driven pump to keep the fuel rail – seen of the left side of this 11.9L ISX – pressurized to more ...

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 Common-Rail System Was A Game Changer The Bosch diesel injection pump dates back to the 1920s, when Robert Bosch, after years of hard work, installed one into a truck. Although the ...

For the gas-powered Rabbit, a replacement carburetor or fuel distributor (injection versions) costs over $200, so we'd predict that a new injec­tion pump could cost as much as $300.