I actually had bought a box of old pistons off eBay a few years back and went through it and found what appear to be King pistons. The match the same diameter and same port locations. I was wandering when I was looking at some of them because I had to different port configurations for the number 1 ...

I agree with bloke on this. I just fixed up a Conn fiberglas sousaphone and was suprised how well it played. I listed it for sale on FB marketplace for $1200 and had 7 replies within 24 hours. $800 is a no brainer price.

Do King sousaphones share parts with King tubas. Specifically valve caps, pistons, stems, buttons or bell tenons. I picked up a few sousaphones missing parts. One is missing just the male bell tenon, main tuning slide, neck and bits. The other is missing all piston parts and the bell. I was thinking ...

I was given a Conn 36K fiberglass sousaphone, but it is missing the bell. I am in the Seattle area. The tenon where the bell and body meet is 6 inches. I'm not too concerned about condition. I can fix cracks with epoxy and re-paint the bell. My goal is just to make a decent playable sousaphone ...