USA Standard Gear

Ring and Pinion Set, 5.38 Ratio

$343.89

SKU: ZG D44R-538R

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

Description

Key specifications include an 8.50" ring gear diameter, a 26-spline pinion, and 10 ring gear bolts. The set features a 5.38 ratio, which is ideal for applications requiring increased torque for larger tires or heavy towing. USA Standard Gear places a strong emphasis on quality, with all sets undergoing rigorous in-house evaluation to guarantee dimensional accuracy, material integrity, and precise fitment. This ring and pinion set is a crucial component for rebuilding or upgrading your differential. Its construction and specifications make it suitable for various off-road and heavy-duty use cases where durability and performance are paramount. Consult with a professional if you are unsure about installation or compatibility with your specific vehicle configuration.

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 NumberZG D44R-538R
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