Product Feature: Perfect Fitment – Works 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. A Must Have – This tool is required for installing factory seal #3937111, #3904353 and the seal found in kit #3802820. Practical Function – This tool is used to install the front crankshaft wear sleeve, avoiding any leakage, helping you finish the job at ease. .
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