Drivetrain› Automatic Transmissions and Components

Oregon Performance Transmission

Automatic Transmission Master Rebuild Kit

$729.99

SKU: OPT-6T70-RB

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Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
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Overview

The Oregon Performance Transmission OPT-6T70-RB is a master rebuild kit for automatic transmissions. It is designed for GM 6T70 and 6T75 models, including the 6T70E and 6T75E variants. This kit is compatible with a range of GM brands such as Buick, Cadillac, Chevrolet, GMC, and Pontiac.
Show original supplier description
The Oregon Performance Transmission OPT-6T70-RB is a comprehensive master rebuild kit engineered for the GM 6T70 and 6T75 automatic transmissions. This kit is suitable for both Gen 1 and Gen 2 variants, specifically the 6T70E and 6T75E models. This rebuild kit is compatible with a wide array of GM vehicles. The specific makes and models include Buick, Cadillac, Chevrolet, GMC, and Pontiac. By utilizing this kit, you can restore the functionality and reliability of your vehicle's automatic transmission, addressing wear and tear or potential issues that may arise over time. As a master rebuild kit, the OPT-6T70-RB aims to provide a thorough solution for transmission maintenance and repair. It is essential for technicians and enthusiasts looking to undertake a complete transmission overhaul, ensuring all critical seals, gaskets, and internal components are replaced with quality parts.

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

BrandOregon Performance Transmission
Part NumberOPT-6T70-RB
CategoryDrivetrain
5,000+ Trusted brands
1M+ Enthusiasts
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(760) 282-4645 hello@motormia.co

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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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