GM 6L transmission - Wikipedia
The 6L XX family is a series of 6-speed longitudinally-mounted automatic transmissions produced by General Motors.
The Ultimate 6L80 Transmission Guide: Common Problems, Fixes ...
Aug 27, 2025 · The 6L80 is a 6-speed, electronically controlled, clutch-to-clutch automatic transmission developed by GM for rear-wheel-drive and four-wheel-drive applications.
6L80E Transmission Replacements | New, Used, & Rebuilt
Feb 2, 2026 · Our 6l80 transmission inventory consists of used and remanufactured models that can be shipped fast and free straight to your commercial address with just a few clicks of a mouse.
GM 6L80 Transmission Recall: What Fails & How To Fix It
Jul 7, 2025 · If you’re driving a 2009–2021 Silverado 1500 or Sierra 1500 with the 5.3L or 6.2L V8, chances are high you’ve got a 6L80. These trucks make up the lion’s share of failure reports, …
The Novak Guide to the GM 6L80 & 6L90 Automatic Transmissions
Comprehensive guide to the GM 6L80 and 6L90 automatic transmissions — specifications, technology, history, applications, and Jeep conversion adaptability.
The Devil’s in the Details! A Machinist’s Look at the 6L80/6L90 Units
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 numerous …
The 6L80 denotes that the transmission is a 6-Speed, Longitudinally mounted, and for 8000 lbs. vehicle weights. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant.
All You Need To Know About GM 6L80E/6L90E Transmissions
Mar 27, 2025 · The family includes the 6L45, 6L50, 6L80/6L90 and 6L80E/6L90E. In this article we’ll provide comprehensive information about these transmissions, especially the popular 6L80E and …
SuperMatic 6L80-E 4WD Transmission LS/LSX 2400-2800 Stall
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 increase over …
6L80E Specs + Identification | Drivetrain Resource
The 6L80 Hydra-Matic transmission is a 6 speed automatic transmission manufactured by General Motors. It was created to help GM meet ever more demanding CAFE regulations on their vehicles.