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3878 - Rear Crankshaft Seal Installer Tool - 6.6L Duramax Diesel

3878 - Rear Crankshaft Seal Installer Tool - 6.6L Duramax Diesel

SKU 3878
$232.95 - $232.95
$232.95
$232.95 - $232.95
$232.95

Orders placed before 12:00pm EST Mon-Fri ship same day. Orders placed after 12:00pm EST ship next business day.

  • Press fit rear seal to engine block & crankshaft for proper fitment of inner & outer seal body
  • Services GM/ISUZU 6.6L Duramax 2001-2016 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-44642 
  • Replacement Parts: 
    • 3878X01 - Bearing
    • 3878X04 - Bolt
    • 3878X07 - Hex Nut
    • 3878X08 - Spring
    • 3878X09 - Washer
Interchange

J-44642 and J44642

  • Press fit rear seal to engine block & crankshaft for proper fitment of inner & outer seal body
  • Services GM/ISUZU 6.6L Duramax 2001-2016 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-44642 
  • Replacement Parts: 
    • 3878X01 - Bearing
    • 3878X04 - Bolt
    • 3878X07 - Hex Nut
    • 3878X08 - Spring
    • 3878X09 - Washer
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