Product Description
Fits: 4L30E · ALL
A low band Super Servo for GM/BMW 4L30E automatic transmissions across all model years, built by Superior Transmission Parts under their own part number K078.
It is designed to resist wear in the pin bore better than the OE 4L30E servo and to add forward engagement pressure intended to reduce band failure and engagement problems associated with the 4L30E.
Specifications
| Fits | 4L30E |
|---|---|
| Years | ALL |
| Vehicle make | GM/BMW |
| Manufacturer part number | Superior Transmission Parts K078 |