Main bearing 3927772 Parts Number 3927772 Parts Name Main bearing Brand Cummins Genuine Parts Models DCEC Cummins B serial Tags: 4B, 6B, Cummins, DCEC, Genuine Parts, Main bearing| Related Posts Camshaft C3929039 Oil Pan Gasket 3959052 Over Size Main Bearing Kit 3945918 Aftercooler 4938507 Main Bearing Set – AR12270