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 …

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

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-road builds.

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

The Stage 3 4L80E build adds the billet input shaft and rollerized billet forward hub for applications above 750 HP. This build will handle well over 1000 HP assuming moderate RPM range (less than …

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 interestingly, has …

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 used in a …

Nov 18, 2025 · The 4L80E transmission was first introduced in 1991 and served as a replacement for the TH400 transmission. A few of the new features added with the 4L80E in comparison to its …

Manufactured by General Motors in 1991, the 4L80e was used to replace the strong TH400, which was first built in 1964, though with additional upgrades. The 4L80e featured a die-cast aluminium case …

Explore the detailed diagram of 4L80E transmission parts, highlighting each component and their function for easier identification and understanding of this complex system.