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FASS 95GPH High Performance Fuel Pump & Big Line Kit
Part# FASS-HPFP-95-1003 (1998.5-2004 Dodge Cummins Truck with mild to moderate horsepower modifications.)
In many cases, the Dodge Cummins factory lift pump does not provide sufficient fuel pressure to the VP44 injection pump. A VP44 receiving less than 5psi in fuel pressure will more than likely be damaged, creating a hard start issue with good fuel flow and pressure. The diaphragm in the VP44 is designed to move about .5mm with proper fuel pressure (about 7psi min.). When the VP44 is subject to about 5psi or less, the diaphragm can move up to 2mm, an increase in movement of 4 times more than what it was designed to move. With this type of movement the diaphragm will eventually develop stress cracks thru out the body of the diaphragm. One job of this diaphragm is to separate low fuel pressure and high fuel pressure in the housing of the VP44. But when these cracks are present, this separation does not occur. This will lead to a hard starting problem and the VP44 injection pump will have to be replaced. You can prevent this type of damage by installing a High Performance Fuel Pump (HPFP). Each kit includes 1/2" Suction Tube Kit and a 3/8" Fuel Line Kit.
These kits DO NOT utilize the factory fuel pump.
Failed Lift Pump? Replace it with a FASS Fuel Pump
6 Year Warranty
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98-04 DODGE Cummins, FASS High Performance Fuel Pump 95gph from Diesel Performance Products
$445.55
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