Fit for Paccar PX-6 | Cummins 4BT 3.9L | Cummins B Series 5.9L | Cummins ISB 5.9L, 6.7L | Cummins QSB 5.9L, 6.7L. All of these models are dated from 1989 to 2016. Important Notice – This tool is required for installing factory seal #3937111, #3904353 and the seal found in kit #3802820.
