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4L80E Transmission parts

MT1

Transmission general data

Number of gears Transmission Type Drive Torque (Nm) ATF (full capacity) L ATF (change) L ATF type (recommended)
4 AT RWD/4WD 600 13,4 6,7 Dexron VI

The 4-speed automatic transmission GM 4L80 was introduced 1990. It was used for trucks and SUVs with the engine capacity from 5 liters. This transmission is extremely reliable, powerful, and not complicated in terms of design. It has been installed on army armored vehicles Cobra and armored fighting cars Eagle for many years.The 4L80 is a famous predecessor the 3-speed 3L80. Many spare parts are interchangeable. In most cases, this transmission appears in repair services with Jaguars. It is also installed on powerful cars with engines from 5 liters including Hummer and Rolls-Royce.

What are you looking for?

Overhaul Kit | Friction Kit | Friction | Steel Plate | Steel Kit | Band | Solenoid Kit | Solenoid EPC | Solenoid TCC | Pump | Shaft | Drum | Valve body | Torque converter | Hub | Piston | Piston Kit | Planetary Gear | Filter | Gasket | Bushing | Seal | Bearing | Pressure Plate | Stator | Differential | Retainer | Inhibitor Switch | Instruction manual | TOOLS & ACCESORIES | Sensor

Related transmission models or modifications of this transmission:

Which cars run with this gearbox? CLICK

Technical issues and repair guidelines

This transmission is a rare “guest” in repair services, thus it can be assumed that this unit is quite reliable. It went through many upgrades without serious changes (only rarely updating gaskets, seals, and filters). Clutch and brake packages are designed very reliably with such a huge reserve, that the type of friction elements hasn’t been changed since 1965.


The Direct clutch pack is the first to be worn-out and considered to be one of the weakest clutch packs. But it is quite normal and occurs after considerable mileages, extreme operating conditions and loads. If friction components of two abovementioned packs burn ATF for a long time and this ATF soaks in other friction linings, then the whole set of friction components should be replaced.


After 12-15 years of usage the wear-out of bushings becomes clear and vibrations exceed allowed limit, therefore repair specialists have to replace the whole set of bushings. Solenoids and the torque converter lock-up solenoid also reach the end of their service life by time. Almost all overhauls are performed when bushings, hollow discs, solenoids reach the end of their long service life. These transmissions easily operate for 200 thousand kilometers and even longer.

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