Product review (4 stars): Works perfectly, but is not exactly what's pictured
The part shown in the picture has two tabs that allow it to clip into the metal mounting bracket shown. That's exactly what my existing, non-working spark module had. The new one does not match the picture. It has a slot for a screw on one side instead of the tab (Apparently JJ got the same version I did). The mounting bracket they ship has no hole for any screw. So the mounting bracket is for the two-tab version, not the version they ship.

  Complicating things, my gas line is directly behind the spark module, so it would have been foolish for me to put a sharp metal screw into the bracket and therefore possibly damage the gas line.

  I ended up removing the existing bracket, drilling a hole in the proper place, and mounting the spark module on the bracket with a machine screw where the head end of the screw is on the side that faces the gas line. Then a nut on the other side secures the spark module.

  Apart from that little surgery, the spark module worked perfectly the first time. So I'm quite happy with the purchase. I just can't give a full 5 stars since the shipped module doesn't match the picture and the shipped bracket doesn't match the shipped module.