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Drivetrain› Differentials and Rear-End Components

Zumbrota Drivetrain

Master Overhaul Kit

Name: Master Overhaul Kit
Brand: Zumbrota Drivetrain
SKU: ZK C9.25-R-B

$269.99

SKU: ZK C9.25-R-B

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

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Overview

The USA Standard Gear Master Overhaul Kit is a differential overhaul kit designed for 2001 to 2009 Chrysler 9.25" rear differentials. This kit includes Koyo bearings and races for reliable performance.

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The USA Standard Gear Master Overhaul Kit provides all necessary parts for a differential overhaul in a single part number, saving time and money. This kit is specifically designed to fit 2001 to 2009 Chrysler 9.25" rear differentials. The included components are carrier bearings and races, pinion bearings and races, a pinion seal, a complete shim kit, ring gear bolts, a pinion nut, a crush sleeve, thread locker, and marking compound with a brush and gasket. This comprehensive set ensures you have everything needed to start and finish the job. The brand offers tailored kits to meet specific installation needs, providing unmatched reliability and assurance for vehicle repairs.

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

Brand	Zumbrota Drivetrain
Part Number	ZK C9.25-R-B
Category	Drivetrain

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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