3164780 Crankshaft Rear Main Seal Wear Sleeve Installer Remover Tool for Cummins Features: Fitment: Work on Cummins Signature, ISX & QSX，ISX12 and ISX15 engine. It will fit the newest Cummins seal perfectly. Benefits: Specifically design to install and remove the crankshaft rear seal & wear sleeve, saving time and reducing risk of crankshaft seal surface damage during removal. Function: Specifically design to install and remove the crankshaft rear seal & wear sleeve, saving time and reducing risk of crankshaft seal surface damage during removal. .