Drivetrain Differentials and Rear-End Components

Dana

KIT-DIFF ASSY

$2,993.36

SKU: D00O 401KD100-X

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Non-Returnable Item
INSTALL DIFFICULTY
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Description

The World American 1665-325-C Power Divider Kit (cross-reference MPN 401KD100-X) is an aftermarket power divider kit for Dana/Eaton N400 International N340 & N400 differentials. It is designed to replace the original power divider in heavy-duty truck applications. The kit is compatible with various alternate part numbers, including N400PDK, VTC-580A, and 1665-325-C (Navistar).

Fitment

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Specifications

BrandDana
Part NumberD00O 401KD100-X

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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