Part Type: Remanufactured Transmission (Factory Spec / High Durability)
This GM OEM 4L80E transmission is remanufactured with the HIGHEST QUALITY PARTS AVAILABLE.
The GM OEM 4L80E transmission is a four-speed automatic transmission designed for use in select vehicles from General Motors (GM) family of brands. It was introduced in 1991 and remained in use until 2018, making it a widely used transmission in various GM vehicles for nearly three decades.
The base transmission consists of an all-aluminum case and extension housing, hydraulically-controlled planetary gear sets, electronic shift control, and overdrive and lock-up torque converter. It is known for its robust construction and ability to handle high torque, making it suitable for heavy-duty applications.
The transmission specifications for the GM OEM 4L80E include gear ratios of 2.48:1 (1st), 1.48:1 (2nd), 1.00:1 (3rd), and 0.75:1 (4th) for improved fuel efficiency on the highway. It features a 6-bolt hexagon bolt pattern and has a transmission length of approximately 23.3 inches (593 mm). The weight of the 4L80E transmission ranges from 200 to 300 pounds (91 to 136 kg) depending on the model and configuration.
The GM OEM 4L80E transmission has been used in various GM vehicles from 1991 to 2018, including Chevrolet/GMC full-size trucks and SUVs, commercial vehicles such as the Chevrolet Kodiak and GMC Topkick, as well as select passenger cars like the Chevrolet Caprice, Buick Roadmaster, and Cadillac Fleetwood. It has been favored by truck enthusiasts for its durability and ability to handle high torque, and it has remained a popular choice in older GM vehicles.
Overall, the GM OEM 4L80E transmission is a reliable and robust transmission that has been widely used in GM vehicles from 1991 to 2018, offering smooth shifting and torque converter lock-up for improved fuel efficiency and drivability in heavy-duty applications.