Drivetrain› Differentials and Rear-End Components

Dana

KNUCKLE CAP (4 PER)

$34.04

SKU: D00O 820584

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Dana 820584 is a knuckle cap designed for medium- and heavy-duty axles. It functions to protect knuckle ends from contaminants and maintain clean mating surfaces for hinge and bearing interfaces. This cap is constructed from metal and features four mounting holes, with dimensions including a 0.39-inch thickness and a 2.94-inch outer diameter. It is compatible with Spicer/Dana axle systems and is an OEM Paccar part.

Fitment

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Specifications

BrandDana
Part NumberD00O 820584

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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