(Install J 44642 to the crankshaft. Press the crankshaft rear oil seal into position using J 44642, the tool will bottom out when the seal reaches the proper depth. Remove J 44642. 1) Compatibility: For ISUZU 6.6L Duramax 2001-Later GMT800, 2500HD, 3500 with 6.6 liter Duramax diesel engines.
