Last Saturday I did the same with my ‘59 starter. In my case it’s the 235 engine, 168 teeth, 12V stomp starter. NAPA #91-01-3684. Traded in my old one for the core charge, net cost around $185. Took about a week to get it to the local branch.
'59 Apache ‘21 Beta 390RS ‘18 BMW R1200RT '12 Ford Flex '13 Aprilia Tuono ‘11 Ducati Hypermotard Salisbury, MD