Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

Spartan Locker for Ford 8.8ININ 31 splineIN includes heavy-duty cross pin shaft

$660.89

SKU: U018 SL F8.8-31

In Stock
In Stock
Ships by Jun 18
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. Its design does not use thrust washers and has a revolutionary spring and pin design that makes installation a snap! It fits Ford 8.8" with 31 spline axles and a 7/8" cross pin shaft and is made from 9310 steel.

Fitment

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Specifications

BrandUSA Standard (Yukon)
Part NumberU018 SL F8.8-31

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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