Shift Kit to be installed during rebuild.

Upgrades early 33 design valve body to later specifications.
This A604 shift kit includes case accumulator and valve body parts.
Upgrades early 33 design valve body to later specifications.
Includes special rings and seals. Comes with complete, easy to follow instructions.

This Sonnax Sure Cure reconditioning kit helps cure converter shudder,
repeated planetary failure, high line pressure, pump seal leakage,
1-2 shudder, 2nd gear starts.
Comes with complete, easy to follow instructions.
Tool #92003-TL is recommended.
More Information

Replacement gaskets screens springs & O rings for the early design
Does not repair burned out solenoid coils or broken connector pins.
A604 41TE transmission solenoid pack

Replacement gaskets screens springs & O rings for the late design
Does not repair burned out solenoid coils or broken connector pins.
A604 41TE transmission solenoid pack