CHENHO BRAND NEW Fuel Pressure switch Sensor sender sending unit For Cummins ISX IFSM ISX QSX 4921519 3072491 3080406 3075273 CHENHO BRAND NEW Fuel Pressure switch Sensor sender sending unit For Cummins ISX IFSM ISX QSX 4921519 3072491 3080406 3075273. Sale price : $18.45 Category : Automobiles, Parts & Accessories