The 6L XX family is a series of 6-speed longitudinally-mounted automatic transmissions produced by General Motors.

Comprehensive guide to the GM 6L80 and 6L90 automatic transmissions — specifications, technology, history, applications, and Jeep conversion adaptability.

Sep 26, 2025 · Each 6L80-E transmission is inspected, cleaned, and has every component within it replaced with new crate parts or completely rebuilt parts. In doing so, our remanufactured …

Jan 14, 2021 · The 6L80 and 6L90 transmissions have become the most popular rear-wheel drive GM transmissions in most of our shops. We have seen several patterned failures, written …

Compatible with heavy-duty applications, this 6L80E is designed to fit vehicles like the Cadillac XLR-V (2006–2009), STS-V / STS (2007–2009), Escalade series (2007–2015), Chevrolet …

Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E six-speed automatic transmission offers an exceptional torque rating of 664 lb.-ft.—a 45-percent …

The 6L80 is a six-speed automatic transmission developed by General Motors, first introduced in 2006. It features full electronic control, including adaptive shift technology and a built-in …

Please view our GM 6L80/90E product information below to learn more about some of the quality processes we perform to this transmission family.

First introduced in 2005, the 6L80 transmission is a 6-speed automatic gearbox that is made by General Motors at their Willow Run transmission factory in Ypsilanti Michigan, and at their …

Now, being more than 25 years since the last non-electronic transmission produced by General Motors, the 6L80E is recognized - otherwise referred to as the 6L80. General Motors created …