USA Standard Gear

Ring and Pinion Gear Set 4.88 Ratio

$526.89

SKU: ZG C9.25R-488R

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

Description

The USA Standard Gear ZG C9.25R-488R is a replacement ring and pinion gear set designed to provide a quality and quiet gear set for OEM applications. This gear set boasts a 4.88 ratio and is constructed with a 9.25-inch ring gear diameter and 12 ring gear bolts. USA Standard Gear implements rigorous in-house quality testing and inspections to ensure all products pass dimensional, material, and fitment testing. The set is built to withstand the demands of spirited driving and off-road use. Key specifications include a 9.25" ring gear diameter, 12 ring gear bolts, and a 4.88 ratio. This gear set fits Chrysler 9.25" front axles. It is compatible with select Dodge and Ram trucks from 2003 to 2016, including Dodge Ram 1500 (2006-2010), Dodge Ram 2500 (2003-2010), Dodge Ram 3500 (2003-2010), Ram 1500 (2011-2016), Ram 2500 (2011-2016), and Ram 3500 (2011-2016), specifically models with 4WD and the 9.25" front differential. The product is also noted for its 12-bolt design.

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 C9.25R-488R
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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