USA Standard Gear

3.55 Ratio Ring and Pinion Gear Set

$510.89

SKU: ZG C9.25B-355B

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

Description

The USA Standard Gear ZG C9.25B-355B is a ring and pinion gear set engineered to provide a quality and quiet replacement for your vehicle's differential. Rigorous in-house quality testing and inspections by USA Standard Gear ensure that all products pass dimensional, material, and fitment testing, making them suitable for the harshest conditions. This specific gear set features a 3.55 ratio and is designed for the Chrysler 9.25 ZF rear axle. It is intended for OEM replacement applications, aiming to deliver reliable performance for everyday commuting and demanding use. The set is backed by a one-year warranty, reflecting the manufacturer's confidence in its durability. This ring and pinion gear set is specifically designed for the rear axle of 2011-2018 Ram 1500 models. It is compatible with both 4WD and RWD configurations that utilize the Chrysler 9.25-inch ZF axle with a 3.55 ratio.

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 C9.25B-355B
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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