All new stainless steel fuel tube nuts from Fleece Performance.  Ensure a proper seal on your injector tubes and high pressure injection lines with our high tolerance nuts produced from 300 series stainless steel. 

Application Notes Replaces Cummins P/N: 5264181, 3946625, 4893739 Replaces Mopar P/N: 5086866AB Replaces Bosch P/N: F00RJ00437