Description
MA4D –
Cummins 5264181 is the threaded injector fuel supply connector retainer, commonly called the connector tube nut or crossover tube nut. It threads into the cylinder head and secures the high-pressure fuel connector/feed tube against the injector. Six are used on a six-cylinder engine.
QSB5.9, QSB6.7, ISB 5.9L and ISB 6.7L, including 2003-up Dodge/Ram common-rail applications depending on engine configuration.
Crosses
5264181, 3946625, 4893739, F00RJ00437, 5086866AB
Bosch F00RJ00437, Cummins 3946625 / 4893739 / 5264181, and Mopar 5086866AB are explicitly grouped together by a manufacturer’s published replacement data.


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