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 5, 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 …
GM 6L80/90 - JASPER® Engines & Transmissions
Please view our GM 6L80/90E product information below to learn more about some of the quality processes we perform to this transmission family.
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 …
Remanufactured 6L80 Transmission for Silverado, Tahoe & More | ACE …
Our builds are engineered for Silverado fleets, Tahoe family rigs, and every GM customer who depends on consistent performance. We replace root-cause components — not just the symptoms. The 6L80 …
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.