The TCI TH400 rear case bearing is a low-drag component that helps reduce power-robbing drag inside the GM TH400 transmission. Reducing drag improves overall transmission efficiency, making it a useful upgrade during a rebuild or performance build.
- Fits GM TH400 automatic transmissions
- Low-drag design reduces power-robbing drag
- Improves transmission efficiency
- Part number: 224400
FAQ
What does the TCI 224400 bearing do?
It is a low-drag rear case bearing that reduces drag inside the TH400 to improve transmission efficiency.
Which transmission does it fit?
It fits the GM TH400 automatic transmission.
When should this bearing be installed?
It is a useful upgrade to install during a transmission rebuild or performance build.

