644-521-371-06 Seat Adjustment Knob For Fore - Aft Slide. Fits 356B T6 356C

For 356A thru 356B T-6 models -- This knob goes on the end of the fore/aft lever at the left or right front of both seats -- see illustration. Our replacement version of this knob has a metal insert to make the internal thread more durable.

Two are needed per car.