Drivetrain› Differentials and Rear-End Components

Yukon Gear & Axle

MUNCIE M21 GEAR KIT 10SPLINE INPUT

$979.86

SKU: Y001 ZMMUNM21GK

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

Professional / shop required

Description

The Yukon Gear & Axle YGK157 is a differential re-gear and install kit for 2021-2023 Ford Bronco models with M210 Front / M220 Rear electric locking differentials, providing a 4.88 gear ratio.

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

BrandYukon Gear & Axle
Part NumberY001 ZMMUNM21GK

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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