Genuine Cummins 4983584 Diaphragm Lift Pump
Genuine Cummins 4983584 Stock Diaphragm Fuel Lift Pump for Cummins
Lift pump & gasket. This pump supplies 5-7psi at idle and 4-5psi of fuel pressure under moderate load
to the VE injection pump. on a stock engine.
Recommended to run one of our modified higher volume, low pressure piston lift pumps
if your pressure falls below 3PSI under load, as Cummins states under 3psi will damage your inj pump.
Has superseded Part Numbers 3901425, 3904374, 3928143, 3966154 and 3907880.