Drivetrain› Differentials and Rear-End Components

Yukon Gear & Axle

Yukon Gear Steel Spool For Ford 9in w/ 33 Spline Axles

$472.89

SKU: Y001 YP FSF9-33

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Yukon Performance steel spool for Ford 9in with 33 spline axles ensures 100% power to both tires for performance applications. It is made from high-quality materials and uses 1.785in. journal bearings (45 degree). Spools are not recommended for street-driven vehicles and come with a one-year warranty against manufacturing defects.
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Part #: YP FSF9-33

Yukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only.

Fits Ford 9'', 33 spline. Yukon spools provide 100% traction to both wheels for off road, racing and performance applications.

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

BrandYukon Gear & Axle
Part NumberY001 YP FSF9-33

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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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