If you’re one of the many, many customers waiting on a replacement valve body for the 10-speed Allison transmission in your GM heavy duty truck, there may finally be some light at the end of the ...

A new GM valve body is now arriving at dealerships, GM Authority has learned. The arrival of the new part marks a critical step toward resolving a widespread parts shortage that has left many GM truck ...

The transmission valve body is among the most important components of your vehicle's transmission system, yet it often goes unnoticed until something goes wrong. As a key player in the functionality ...