Zumbrota Drivetrain

Trac Loc Differential Rebuild Kit, 31 Spline

$408.22

SKU: YPKF9-P-31-REB

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Yukon Trac Loc internals kit is a specialized rebuild solution for 8-inch and 9-inch Ford differentials requiring a positraction unit. This kit is engineered to work with 31 spline axles and includes all the essential components for a comprehensive repair or upgrade, such as side gears, pinion gears, a cross pin shaft, clutch hub, roll pin, and spider gear thrust washers. This specific kit is identified by SKU YPKF9-P-31-REB and proxy number 16027.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandZumbrota Drivetrain
Part NumberYPKF9-P-31-REB
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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