Fender Pilot Light Jewel. Red faceted jewel with nickel plated threaded collar. For a traditional look. Yes, these will fit your ancient (or newer reissue...) Showman, Bassman, Pro Reverb, Super Reverb, Bandmaster, Champ, Vibro Champ, Deluxe, Vibrolux, Tremolux, Harvard, Princeton etc. exactly. We also include a new #47 6.3V pilot light bulb; if you don't need one now you'll need it someday. Brand New. Genuine Fender 0990952000. UPC 717669498047.