CTA Tools

CTA Tools 3879 Front Crankshaft Seal Installer Tool - 6.6l Duramax 3879_45

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SKU:
20882070
MPN:
3879_45
Availability:
Usually ships the same or next business day. In stock at our NC warehouse.
Shipping:
Calculated at Checkout
Stock Update:
01/30/2026 02:39:43 PM PST
$126.39   Add to cart for price.   
Stock Update:
01/30/2026 02:39:43 PM PST

Description

This item is brand-new, factory sealed.

CTA Tools 3879 Front Crankshaft Seal Installer Tool - 6.6L Duramax Diesel
  • press fit front seal to engine block & crankshaft for proper fitment of inner & outer seal body (works w/ 3878)
  • 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 gm factory tool j-44643
  • Fit type: Vehicle Specific
  • Manufacturer: ?CTA Tools
  • Brand: ?CTA Tools
  • Model: ?CTA Tools 3879 Front Crankshaft Seal Installer Tool - 6.6L Duramax Diesel
  • Item Weight: ?2.42 pounds
  • Package Dimensions: ?5.91 x 5.2 x 4.57 inches
  • Country of Origin: ?Taiwan
  • Item model number: ?3879
  • Exterior: ?Brushed
  • Manufacturer Part Number: ?3879

Press fit front seal to engine block & crankshaft for proper fitment of inner & outer seal body (works w/ 3878). 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 GM Factory tool J-44642.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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CTA Tools 3879 Front Crankshaft Seal Installer Tool - 6.6l Duramax 3879_45
$126.39   Add to cart for price.