Drivetrain› Differentials and Rear-End Components

Dana

GENUINE SPICER AXLE SHAFT SEAL

$32.50

SKU: D00O 40285

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Dana Spicer 40285 is an axle shaft seal designed for various vehicle applications. It is cross-referenced with part numbers SP40285, JR3Z6364416BA, and NATIONAL SEALS 6358. This seal fits select models of Workhorse P30, GMC P3500, GMC G3500, Chevrolet P30, and Chevrolet G30.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDana
Part NumberD00O 40285

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.

View Full Return Policy