Here is a new old stock GM alternator brush holder, part number 1959978. Fits 1962 to 1964 Chevrolet, also 1963 Oldsmobile, Buick, and Pontiac. Fits all 37-, 42-, 52-, and 55-amp alternators. They are $10.00 each, 4 for $30.00.
-----It can be picked up at
428 Grasslands Rd.
Valhalla, N.Y. 10595
Or I can ship it if you like. Please message me your Zip code so I can calculate the shipping charge.