Description Additional Info Product Reviews Connecting Rod Fractured Rod Cummins ISB / QSB Series application Cross References:Cummins: 3954658, Cummins: 3971210, Cummins: 3971211, Cummins: 3971212, Cummins: 4943979, CUP171637 UPC: 193807103897 Mfr Part Number: 171637