Wurlitzer parts

Hello, first time user so be gentle. I'm 63, retired and love Wurlitzer jukeboxes. I have 6 in my collection which I have at different "kids" homes and my own. Am currently looking for information on parts for a Wurlitzer 3200 "mechanism motor". Per Manual: Page 24C, item #18, description: motor and pinion gear. The motor is intact however one of the tiny gears inside the gear box (2" x 4" x 1/2' tall) which is attached to this motor is stripped. Why Wurlitzer put a plastic worm gear inside this gear box is beyond my understanding. And it is the only plastic gear inside this box! Does anyone know of anywhere I can find this tiny gear or replacement motor? Here in Southern Calif I've looked everywhere and no one seems to have any at present. Plus, no luck searching U.S. E-bay. Any info would be greatly appreciated. Thanks, Bob