6L80 Rebuilt Transmission
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The 6L80 transmission, often mistaken for a 6L80E transmission, is a 6-speed automatic transmission developed by General Motors and introduced in 2006. Part of GM’s Hydra-Matic series, it was designed for rear-wheel-drive and all-wheel-drive vehicles with high-performance and heavy-duty requirements. Known for its durability and adaptability, the 6L80 became a popular choice for a variety of vehicles, including the Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and Chevrolet Camaro.
With a torque capacity of up to 664 lb-ft, the 6L80 is well-suited for applications requiring towing and hauling capabilities. It features advanced electronic controls, adaptive shift logic, and a wide gear ratio spread for improved fuel efficiency and smoother performance. While the 6L80 is reliable, some early models experienced issues such as torque converter failure and overheating, which Certified Transmission’s remanufactured units effectively address.

Certified Transmission is one of the largest suppliers of remanufactured transmissions in the United States, offering premium-quality remanufactured 6L80 transmissions for General Motors vehicles. Our company motto, "The Job Done Right At The Right Price," reflects our dedication to providing top-tier products and exceptional value.
Whether you rely on your 6L80 for towing, hauling, or everyday driving, Certified Transmission’s remanufactured units deliver the performance and reliability you need. With a nationwide network of service centers, we make it easy to purchase and professionally install your transmission.
Choosing a remanufactured 6L80 transmission from Certified Transmission ensures superior quality compared to rebuilt options. Rebuilt transmissions replace only the failed components, whereas remanufactured units are completely disassembled, inspected, and rebuilt with upgraded or new parts to restore them to like-new performance.
Certified Transmission’s remanufacturing process also addresses known factory defects, incorporates enhanced components, and includes rigorous testing under real-world conditions. This ensures that your remanufactured 6L80 transmission provides reliable performance for years to come.
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 transmission control module (TCM).
Some people refer to this transmission as the 6L80E, assuming that GM produced both an electronic and a non-electronic version, similar to older models like the 4L60E. However, there was never a non-electronic version of the 6L80, making the "E" designation unnecessary.
Why the Confusion?- In the past, GM used "E" to differentiate electronic transmissions (e.g., 4L60 vs. 4L60E).
- The 6L80 has always been electronically controlled, so GM never needed to add an "E" to its official name.
- Some shops and suppliers still use "6L80E" informally, even though the correct designation is simply 6L80.
The 6L80 has a higher-capacity counterpart, the 6L90, which is designed for heavier-duty applications. Like the 6L80, the 6L90 is also fully electronic and does not require an "E" designation.
If you're searching for parts or remanufactured transmissions, just remember: ** 6L80 and 6L80E refer to the same transmission ** - but "6L80" is the correct name.
Every remanufactured 6L80 transmission from Certified Transmission is backed by an industry-leading nationwide warranty. Wherever your journey takes you, you can trust that your transmission is protected, offering peace of mind with every mile.
If your 6L80 transmission needs replacement, trust the experts at Certified Transmission. Our motto, "The Job Done Right At The Right Price," is more than a slogan - it’s a promise. Contact us today to request a quote or locate a service center near you.