Back-Ordered and there may never be stock available again. Solution would be to replace the entire module. The module would be the 2-Spark Ignition Module S16157Y.
Rubber Push Button ONLY. Mounding ring sold separately.
To be used only with the Old Style mounting ring S16159
To be used ONLY with the Old 2 Spark Module with Short threads at base, see image.
Each, sold separately.