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Duramax Rear Crankshaft Seal Installer
AST tool# J-44642


  • $280.00

  • Made in USA

2001- Later GMT800, 2500HD, 3500 with 6.6 liter Duramax diesel engine The rear seal is press fitted to both the engine block and crankshaft. Fit of inner/outer seal bodies is critical and any misalignment can result in leakage. J-44642 is a two-piece tool that mounts to the crankshaft and forces on both inner and outer seal bodies. Place the new seal on the inner body of J-44642. Attach the tool to the end of the crankshaft assembly. Turn the forcing screw on the tool to press the seal until it bottoms in the block.

Tool Applications for Individual Tools listed below
(List includes applications for all tools included. Some models appear duplicated):

     2001 - 2013 Chevrolet - Silverado with Duramax Diesel