Easy — 1–2 hours
Description
MIA's Description
The shim is a component for differential and rear-end applications, ensuring proper gear meshing and backlash. It is a genuine Spicer part, known for meeting high standards of quality and performance in axle systems.
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
| Brand | Dana |
| Part Number | D00O 401HS102-3 |
Videos
Part 3 4.88 Dana Spicer How to Calculate & Figure Pinion Depth / M220 M210 + Lisle Tool 59400
Semi Float Dana 60 Ring and Pinion Install; How To Best Axle for Jeep JK
Dana 44 Pinion and Carrier Installation (True Spirit #18)
Jeep Dana 30 Ring Gear install and more pinion gear tips #poweraddictscrew #jeepwrangleryj
Dana 80 gear swap
Ford & Dana Axles Pinion Seal Replacement: Tricks of the Trade
Dana 60 pinion install by BSF Recovery Team
HOW TO change a Dana 80 pinion seal.
Jeep Wrangler JL Gear Swap | Spicer Parts
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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