CTA Tools 3878 Rear Crankshaft Seal Installer Tool – 6.6L Duramax Diesel

press fit rear seal to engine block & crankshaft for proper fitment of inner & outer seal body 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 factory tool j-44642 Fit type: Vehicle Specific Press fit rear seal to engine block crankshaft for proper fitment of inner outer seal body. 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 Factory tool J-44642.