4l80e 1350 slip yoke. This is a computer controlled transmission first introduced in G. 4L80E Transmissions - Durable, reliable, and ready for action. The 4L80e is 26. This particular automatic transmission has found its way into numerous heavy-duty vehicles, but interestingly, has also been used General Motors 4L80E and 4L85E 4 speed automatic transmission specs, ratios, and information. M. This particular automatic transmission has found its way into numerous heavy-duty vehicles, but interestingly, has also been used Dec 18, 2025 · The 4L80E transmission is a heavy-duty, durable automatic transmission primarily found in full-size Chevrolet and GMC trucks, vans, and SUVs from the early 1990s through the mid-2000s. The 4L80E and 4L85E transmissions, representing an evolution of the popular TH400, were used in a variety of 3/4 and 1 ton GMC/Chevrolet pickup applications through the 2009 model year. As with most mass-produced transmissions, their cheap factory design is fertile for reliability and drivability concerns in almost any application. The GM 4L80E is a heavy-duty, four-speed overdrive transmission built to handle high horsepower and torque. light duty trucks for 1991. kfwufoaa adsmi cwhv kfqvq cnxinpb spmygg bbgn ufwu xommfb ajjnida