#10! Of course. My dumb a$@ didn’t see that. Thanks so much! Any idea how to find the part number for the wire that leads to it?That's an afterfire solenoid, it cuts off fuel through the main jet preventing afterfire so are fuel won't blow in the muffler. A result of Government reach by the EPA.
In that listing, #10 is what you need.
Also ought to figure out why it shorted.