The company that makes the spotlights, UNITY, is still in business. You can buy spotlights in 6v or 12v, 5" or 6", driverside or passanger side, halogen, etc... They also sell mounting hardware, gaskets, replacement lenses, etc... if you by an old one that needs some service.
http://www.unityusa.com/ Also, Kanter Auto sells 'crestplates', the little brass plate on the spotlight with the manufactures name, like Chevrolet, if you buy a new spotlight and want to make it look old.
