CTA Tools Front Crankshaft Seal Installer Tool 3879 For 2001-2016 6.6L Duramax Diesel
Press fit front seal to engine block & crankshaft for proper fitment of inner & outer seal body (works w/ 3878)
Services GM/ISUZU 6.6L Duramax 2001+ GMT800, 2500HD & 3500
Installation instructions: Set new seal on inner body of tool. Attach outside ring of tool to the end of the crankshaft assembly, turn forcing screw to press in new seal
Compare to GM Factory tool J-44645