Drivetrain› Manual Transmissions and Components

USA Standard Gear

Manual Transmission Bearing and Seal Kit

$119.89

SKU: ZMBK123

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Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The USA Standard Gear ZMBK123 is a manual transmission bearing and seal kit designed for the T176 transmission. This kit features an aluminum case and top cover with a 10-bolt configuration and a cast number of 2604203. It is sold as a complete kit for your transmission repair needs.
Show original supplier description
The USA Standard Gear ZMBK123 is a comprehensive manual transmission bearing and seal kit engineered to service the T176 transmission. This kit is ideal for rebuilding or repairing your transmission, ensuring reliable performance. It includes key components such as an aluminum case and top cover, a 10-bolt top cover design, and features the cast number 2604203. The main case measures 10.25 inches long and is constructed from cast iron. While the product details mention "Kit Includes Synchronizer Rings," a fitment note clarifies that synchronizer rings are "does not include synchronizer rings." This kit is sold as a complete unit to facilitate a thorough transmission overhaul. This bearing and seal kit is specifically designed to fit various Jeep models equipped with the T176 4-speed manual transmission. Applicable vehicles include the 1980 Jeep Cherokee, 1980-1983 Jeep CJ5, 1980-1986 Jeep CJ7, 1980-1983 Jeep DJ5, 1987-1990 Jeep Grand Wagoneer, 1980-1988 Jeep J10, 1980-1988 Jeep J20, 1981-1985 Jeep Scrambler, and 1980-1983 Jeep Wagoneer. Each application specifies the T176 transmission model and a 4-speed manual transmission type.

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 NumberZMBK123
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.

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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