Drivetrain Differentials and Rear-End Components

Yukon Gear & Axle

USA Standard Ring & Pinion Gear Set For 11 & Up Ford 9.75in in a 4.56 Ratio

$555.89

SKU: Y001 ZG F9.75-456-11

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

USA Standard Gear ring and pinion sets are designed to exceed OEM specifications, undergoing rigorous in-house quality evaluation for dimensional, material, and fitment testing. This 4.56 ratio ring and pinion gear set is for 2011 and up Ford 9.75" rear axles. It features a 9.75" ring gear diameter, 31 spline pinion, and 12 ring gear bolts. It will also work in 2000-2010 Ford 9.75" axle housings with a conversion overhaul kit.
Show original supplier description

Part #: ZG F9.75-456-11

USA Standard Gear replacement ring and pinion gear sets are designed to meet or exceed OEM specification while providing an affordable drivetrain solution. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its products pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving.

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.

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

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

BrandYukon Gear & Axle
Part NumberY001 ZG F9.75-456-11

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy