Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

USA Standard replacement Ring and Pinion gear set for Dana 30 JK reverse rotation in a 4.11 ratio

$301.89

SKU: U018 ZG D30SR-411JK

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The USA Standard Gear Dana 30 Front Axle Ring and Pinion Gear Kit with a 4.11 gear ratio (ZG D30SR-411JK) is designed to upgrade the front differential of 2007-2018 Jeep Wrangler JKs, excluding Rubicon models. This kit provides a lower gear ratio for improved off-road performance and is compatible with Dana 30 front axles.

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

BrandUSA Standard (Yukon)
Part NumberU018 ZG D30SR-411JK

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