Sale

USA Standard Gear

3.73 Ratio Ring and Pinion Kit

$281.29 $262.89 Save $18.40

SKU: ZG D30S-373TJ

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

Description

USA Standard Gear utilizes stringent in-house quality testing and inspections to guarantee that all products pass critical dimensional, material, and fitment evaluations. These gear sets are available in a variety of OEM and aftermarket ratios, making them robust enough for daily commuting, challenging trail runs, and spirited driving. This specific set is designed for standard rotation Dana Spicer 30 axles featuring a short pinion. Key specifications include a 7.20" ring gear diameter, a 26-spline pinion, and 10 ring gear bolts, all configured with a 3.73 gear ratio. These specifications are crucial for ensuring proper engagement and performance within the differential. The USA Standard Gear ZG D30S-373TJ is specifically noted for fitment with 1984-2001 Jeep Cherokee XJ models. It is designed for the Dana Spicer 30 axle and is suitable for vehicles with a 3.73 gear ratio requirement.

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

BrandUSA Standard Gear
Part NumberZG D30S-373TJ
CategoryDrivetrain

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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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