Zumbrota Drivetrain

Differential Spider Gear Set

$129.95

SKU: ZIKF8.8-S-31

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

Description

The USA Standard Gear standard spider gear set is specifically engineered for Ford 8.8" 31 spline open differentials. This comprehensive kit provides all the necessary components for a differential rebuild, including two side gears, two pinion gears, a cross pin shaft, a cross pin bolt, and essential spider gear thrust washers. The components are built to meet the demands of daily driving and moderate use, offering a reliable solution for restoring differential performance. Installation of this spider gear set requires specialized knowledge of differential assembly. It is recommended that installation be performed by a qualified technician to ensure correct setup and to prevent damage to the differential or related components. Proper gear mesh and backlash settings are critical for optimal performance and longevity.

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 NumberZIKF8.8-S-31
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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