They aren't interchangeable. If your range uses square ignitors, you can only replace it with another square ignitor. All square ignitors have the same current draw, and all round ignitors have the same draw.

Are all oven igniters the same?

There are pretty much, only two igniters used in all ovens, this square Norton style, and a round Carborundum style. It seems that this is, by far, the most common problem, and just because an igniter glows, doesn't mean that the current it allows to pass to the gas valve, is addequate to open it.

Are gas stove igniters universal?

The IG9998 Universal Gas Range Oven Igniter ignites to heat a gas oven. You can hear the flames ignite when the oven is initially turned on. Throughout the use of the oven, you will hear it light which is helping the oven maintain the temperature that was set.