It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. 4L80-Es were optioned only in Chevrolet/GMC pickups, vans, and …

4L80E Transmissions - Durable, reliable, and ready for action. Perfect for Silverado, Tahoe, Suburban, Sierra & Yukon. Upgrade your Chevy/GMC today!

The GM 4L80E is a heavy-duty, four-speed overdrive transmission built to handle high horsepower and torque. It's a top choice for demanding applications like towing, racing, and off …

Aug 21, 2025 · One such transmission is the 4L80E automatic from General Motors. This particular automatic transmission has found its way into numerous heavy-duty vehicles, but …

Comprehensive guide to the GM 4L80E automatic transmission — history, specifications, development, technology, and Jeep conversion adaptability.

General Motors 4L80E and 4L85E 4 speed automatic transmission specs, ratios, and information. The 4L80E and 4L85E transmissions, representing an evolution of the popular TH400, were …

Nov 29, 2025 · With their debut in the 1990s, GM's 4L60E and 4L80E transmissions reveal some of their differences –- and similarities –- right in their names. The "4" and "L" respectively refer …

Upgrade your heavy-duty GM vehicle with our performance remanufactured 4L80E transmission, expertly rebuilt to deliver exceptional durability, torque-handling, and smooth shifting.

Dec 3, 2025 · The 4L60E vs 4L80E debate comes down to capability and purpose. Learn the real differences, power ratings, and which one is for you.

Nov 13, 2025 · The 4L80E transmission is one of the most durable and versatile automatic transmissions ever built by General Motors. Designed for heavy-duty applications, this …