Drivetrain Differentials and Rear-End Components

Yukon Gear & Axle

USA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 4.56 Ratio

$525.89

SKU: Y001 ZG GM14T-456T

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

The USA Standard Gear ZG GM14T-456T is a high-quality ring and pinion gear set designed for the 10.5-inch GM 14 Bolt truck axle. This thick gear set features a 4.56 ratio, specifically engineered for 4.10 and down carriers. Each set undergoes rigorous in-house quality evaluations to ensure it surpasses OEM specifications in dimensional accuracy, material integrity, and overall fitment. This gear set is an excellent choice for truck owners aiming to enhance their vehicle's performance for off-road adventures or when towing heavy loads. The 4.56 ratio provides increased torque for improved acceleration and superior control, particularly beneficial when pulling trailers or navigating challenging terrains.
Show original supplier description

Part #: ZG GM14T-456T

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 GM14T-456T

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