USA Standard Gear

Rear Axle Shaft, 37.25-Inch, 35 Spline, LH

$381.89

SKU: ZA K630615

In Stock
In Stock
Ships by Sep 1
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Gear ZA K630615 is a direct-replacement rear axle shaft engineered for Ford 10.5-inch differential applications. It features a 35-spline count and a length of 37.25 inches, ensuring an exact fit for compatible Ford vehicles. The advanced heat treatment applied to the alloys results in a more robust and long-lasting axle shaft, providing dependable service for years. This kit includes all the necessary components required to replace, repair, or upgrade your existing axle shafts. Compatibility includes Ford Excursion, F-250 Super Duty, F-350 Super Duty, and F-450 Super Duty models from 1999 to 2005, specifically for Single Rear Wheel (SRW) configurations with a 10.5" Ford rear full float axle and 35 spline count.

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

BrandUSA Standard Gear
Part NumberZA K630615
CategoryDrivetrain

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