Exterior Components Body Panels and Components

Motive Gear

SINGLE-D44 07-18 JK 30SP LH/RH

$292.77

SKU: M01Z MG31139

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

Moderate — 2–4 hours

Description

The Motive Gear MGK-139 is a complete differential kit designed for re-gearing 4x4 vehicles. This kit includes front and rear ring and pinion gear sets, along with front and rear bearing kits.

The kit features a 5.13 gear ratio and is designed for Dana 30 front and Dana 44 JL rear axles. The ring gear is made from 8620 steel, and the kit includes Koyo bearing kits. This kit is compatible with Dana AdvanTEK M186, AdvanTEK M200, Dana 30 JL Reverse, and Dana 44 JL differential cases.

Fitment

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Specifications

BrandMotive Gear
Part NumberM01Z MG31139

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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