Rebuild a 4L80E Transmission with the ... the 4L80E was introduced in 1991 as a replacement and advancement of the TH400. ... We’ve acquired our TransGo reprogramming kit and a rebuild kit.

The same applied to the TH400 which, with the addition of an Overdrive gear, became the 4L80E in 1991. ... Automatic Transmission Rebuild Kit. PN# 88075K. Price: $618.75. Bowler Transmissions.

Rebuild a 4L80E Transmission with the ... older and college educated brother to the TH400. They share a lot of the same parts, ... We’ve acquired our TransGo reprogramming kit and a rebuild kit.