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Drivetrain› Differentials and Rear-End Components

Zumbrota Drivetrain

4.11 Rear Ring and Pinion Gear Set

Name: 4.11 Rear Ring and Pinion Gear Set
Brand: Zumbrota Drivetrain
SKU: ZGK2119

$865.13

SKU: ZGK2119

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$100 Minimum Order

Non-Returnable Item

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Overview

The Zumbrota Drivetrain ZGK2119 is a rear ring and pinion gear set and install kit for GM vehicles. This kit features a 4.11 gear ratio and is designed for applications with a 14-bolt rear cover and a 12-bolt ring gear. It includes a USA Standard ring and pinion gear set, a master install kit with Koyo bearings, and necessary small parts for differential repairs.

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The Zumbrota Drivetrain ZGK2119 is a comprehensive rear ring and pinion gear set and install kit, designed to provide a one-stop solution for differential repairs. This kit specifically includes a 4.11 ring and pinion gear set, ideal for applications requiring a gear ratio suitable for 4.10 and down configurations. It is engineered for vehicles featuring a 14-bolt rear cover and a 12-bolt ring gear, with a specified ring gear diameter of 10.5 inches. The Quick Kit package combines a USA Standard ring and pinion gear set with a master install kit. The aim of these Quick Kits is to streamline the purchasing process, allowing for quick installation and getting vehicles back on the road with minimal downtime. This kit is specifically noted to fit carrier cases designed for 4.10 and down gear ratios. The product is compatible with Chevrolet Avalanche 2500 models from 2002 to 2006. For specific fitment inquiries or to confirm compatibility with your vehicle, a "Select Vehicle" option is available, and direct contact with Zumbrota's tech support is recommended.

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	ZGK2119
Category	Drivetrain

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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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