Rostra Wire Harness Kit for 4L80E Transmission

Rostra Wire Harness Kit for 4L80E Transmission

Upgrade Your 4L80E Transmission with Rostra Wire Harness Kit

Are you looking to enhance the performance of your 4L80E transmission? Look no further than the Rostra Wire Harness Kit. This kit includes both the external and internal harness, along with a temperature sensor, providing a comprehensive solution for your transmission needs.

Key Features

Seamless Integration

The Rostra Wire Harness Kit is designed for seamless integration with 4L80E transmissions, ensuring a hassle-free installation process.

Temperature Sensor

Monitor the temperature of your transmission with the included sensor, allowing for real-time data to optimize performance and prevent overheating.

Durable Construction

Constructed with high-quality materials, the harness kit is built to withstand the rigors of daily use, providing long-lasting reliability.


  • Improved transmission performance
  • Enhanced temperature monitoring
  • Extended durability


Is the Rostra Wire Harness Kit compatible with my 4L80E transmission?

Yes, the kit is compatible with 4L80E transmissions from 1991 to 2003.

Do I need professional installation for the harness kit?

While professional installation is recommended, experienced DIY enthusiasts can also install the kit with the proper tools and knowledge.


Upgrade your 4L80E transmission with the Rostra Wire Harness Kit and experience improved performance, enhanced monitoring, and extended durability. With its easy integration and durable construction, this kit is a must-have for any transmission upgrade project.