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 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 …

The 4L80E transmission is the advanced progeny of the legendary TurboHydramatic TH400 automatic transmission, and is based heavily on the 400 in both parts and strength, yet …

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 …

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

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 …

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 …

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 …

Explore a detailed diagram of 4L80E transmission parts, offering insights into the components and their functions for easier maintenance and repairs.