Zumbrota Drivetrain

4.88 Ring & Pinion Gear Set

$644.68

SKU: ZG C9.25B-488B

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

Description

The USA Standard Ring & Pinion gear set is engineered to provide dependable performance for Chrysler 9.25" ZF differentials. This set features a 4.88 gear ratio, designed to optimize torque and acceleration for specific vehicle applications. It is manufactured to meet or exceed OEM specifications, offering an affordable drivetrain solution. The product is designed with precision, utilizing state-of-the-art design software during its engineering process. Key specifications include a 4.88 ratio and it uses a 7/8" 14 pinion nut. The ring and pinion gear set is built for durability and reliable operation. Compatibility is for various years of Chrysler 9.25" ZF axles. Specific fitment details should be confirmed via the "Check if this part fits your vehicle" tool on the product page. For any questions regarding fitment or application, Zumbrota Drivetrain offers technical support via phone or live chat.

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

BrandZumbrota Drivetrain
Part NumberZG C9.25B-488B
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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