Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

Spartan Locker

$577.89

SKU: U018 SL D30-4-27-LSD

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The USA Standard (Yukon) SL D30-4-27-LSD Spartan Helical LSD Worm Gear Limited Slip Differential features a robust 10-pinion design and forged 8620 steel alloy construction for enhanced durability and traction. It is designed for Dana 30 front differentials with 27 splines and 3.73 and up gear ratios, providing smooth engagement and maintenance-free performance.

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 SL D30-4-27-LSD

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