Most "traditional" ignition parts suppliers have universal ones. NAPA/ Echlin, etc. I think one was something like "RC-1" for "radio capacitor part no. 1"
And..........more.........dumbing down of 'Murica..........
https://www.napaonline.com/en/p/ECHRC1
It's not a "distributor capacitor............"
NAPA has gone full stupid......
Here's some more
https://www.napaonline.com/en/searc...and-condensers/alternator-condenser/201583916