4l80e Automatic Transmission Parts Diagram. 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 featuring an added overdrive gear a lock up torque converter and advanced electronic controls 4l60e to 4l80e conversion. The 4l80 e automatic transmission has a metal identiļ¬cation nameplate attached to the case exterior.
4l80e 4l85e shift kits. Pre 4l80e transmissions use a different internal wiring harness and pass through connector. It is recommended that you use the baumann wiring harness with this system.
279700 4l80e transmission high performance billet intermediate shaft 300m steel.
This information will assist in the servicing and determination of replacement parts. It provides park reverse neutral and four forward speeds with 4th gear being overdrive. Our very best kit and recommended starting point for a great 1991 1995 4l80e transmission overhaul. It is recommended that you use the baumann wiring harness with this system.