I'm having trouble looking up a part number. This should be a simple operation but it's stumping me. I have a Troy-bilt Pony 1000 and need to order a new ignition coil. There are numbers on it 796520, 32210-00-?, 12054. Evidently none of these are the correct part number. I've seen a couple of sellers say that there part will work but am leery. Thank you.