Drivetrain› Differentials and Rear-End Components
USA Standard (Yukon)
USA Standard Gear Install Kit package for Non-Rubicon Jeep JK 4.56 ratio JK NON-RUBICON D30 D44 G
SKU: U018 ZGK012
Advanced — 4+ hours
Description
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 | USA Standard (Yukon) |
| Part Number | U018 ZGK012 |
Videos
USA Standard Unboxing - Spider Gear Kit
USA Standard Unboxing - USA Positraction
USA Standard Unboxing - Spartan Locker
USA Standard Gear Spartan Locker Unboxing
Regearing the Jeep JK with Ian Johnson
Gear Install Jeep wrangler (yukon 4.88 gear)
How To Install Ring & Pinion Gears in a Jeep Wrangler JK
Jeep Wrangler JK ARB Air Locker & 4.56 Regear!
Regearing Dana 30 3.55 to 4.56 Jeep Cherokee Xj Truetrac lsd & Differential rebuild ( locker )
Setting Backlash Dana 30 Differential / Short Clip from regearing Jeep Axles / xj TJ jk jl
Jeep Wrangler Yukon Gear Dana 30F/44R Ring 5.13 Gear and Pinion Kit (2007-2018 JK) Review
Jeep Wrangler Yukon Gear Dana 30F/44R Ring Gear and Pinion Kit - 4.88 (2007-2018 JK) Review
Ring & Pinion Standard & Reverse Rotation
Which Traction Device is Right for You?
We installed a Spartan Locker🔥Do you run a locker?#jeepwj #jeepbuild #overlanding #spartanlocker
Dana 35 lock rite demo
Jeep TJ 8.8 Build | Barnes 4wd Bracket Kit Placement
BIG BOY TOYS Comprehensive 4th Gen Ram 4.56 Gear Swap Unboxing (AAM 11.5 & 9.25 Differentials)
Gear break in, what to expect
Jeep Wrangler with 4.56 Gears and 35 inch Tires
What GEARS Did I Install in My Jeep Wrangler? 4.88 or 5.13's?
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