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    1. Product Guide
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    3. Engine Service and Repair Tools

    Front Crankshaft Seal Installer Tool - 6.6L Duramax Diesel, No. 3879

    Feb. 2, 2021
    Related To: CTA Tools
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    The CTA Front Crankshaft Seal Installer Tool - 6.6L Duramax Diesel, No. 3879, is designed to fit front seal to engine block and crankshaft for proper fitment of inner and outer seal body. It services GM/ISUZU 6.6L Duramax 2001+ GMT800, 2500HD, and 3500. To install, simply set new seal on inner body of tool and attach outside ring of tool to the end of the crankshaft assembly. Then, turn forcing screw to press in new seal. The tool is comparable to GM's factory tool J-44642, the company says, and works with CTA's Rear Crankshaft Seal Installer Tool - 6.6L Duramax Diesel, No. 3878.

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