that's the trombetta I had fail in short time...about 3 years I think.
I was at the sun n fun fly in when I discovered mine had failed, so I found a parts dealer set up in the trade show and bought one meant for small aircraft...just a run of the mill continuous duty solenoid that looks like something you'd find at NAPA except it's certified for aircraft. I don't recall the price now but it wasn't as much as you'd think. I've had it in for a little over 3 years.
looks a little like this one, but I didn't pay this much.....
https://www.aircraftspruce.com/catal...oidx610028.php
I coated with that red battery post spray to hopefully slow corrosion...which is what I think killed the trombetta