6L80E Automatic Transmission

6L80E Automatic Transmission
The
GM 6L80E 6-speed automatic transmission
is designed for modern GM cars, trucks and SUVs requiring electronic transmission control and overdrive performance. It is commonly paired with GM LS and other V8 powerplants.
The 6L80E features
six forward gears, electronic controls and a torque converter with lockup
, making it suitable for both daily-driving and performance applications.
Key Specifications
Transmission:
GM 6L80E
Type:
6-Speed Automatic
Control:
Fully electronic
Forward Speeds:
6
Reverse:
1
Overdrive:
Yes
Drive:
RWD and 4WD applications
Application:
Cars, trucks, SUVs and custom swaps
Controller:
Electronic control system required
Common Applications
Depending on the exact transmission version:
Chevrolet Silverado
Chevrolet Tahoe
Chevrolet Suburban
Chevrolet Camaro
Chevrolet Corvette
GMC Sierra
GMC Yukon
Cadillac Escalade
Cadillac CTS
Other compatible GM applications
Important:
A 6L80E from one vehicle is not automatically interchangeable with every other 6L80E. Case configuration, output shaft, transfer-case setup, electronics and calibration can differ.
Swap Requirements
A 6L80E installation may require:
Compatible ECU/TCM
Wiring harness
Torque converter
Transmission mount/crossmember
Driveshaft modification
Transmission cooler and lines
Correct flexplate and hardware
Electronic calibration/programming