There is no one stop shop but I spent several weeks/months gathering these part numbers and finding modern ones that are still produced.
The following is for a 1967 c50 with 5000lb front axle, 15,000lb 2 speed vacuum shifted rear axle, and midland vacuum brake booster.
Front 14x2 shoes- Centric 111.02990
Rubber brake hose master cylinder- Dorman h38908
Rubber brake hose front wheels x2- Dorman h36697
Rubber brake hose rear axle- Dorman h71305
Brake master cylinder- Dorman m630823
Front right brake wheel cylinder- Raybestos wc19091
Front left brake wheel cylinder- Raybestos wc19090
Rear brake wheel cylinder x2- Raybestos wc37159
Rear brake wheel cylinder x2- Raybestos wc37160
5000lb front axle kingpin rebuild kit NO REAM- Stemco k51g
Moog plastic bushing kingpin rebuild kit- 8492n
Kingpin thrust bearing- timken t110
Front wheel bearings x2- timken 3578a and 15103s
Front wheel bearing race x2- timken 3525 and 15243
Front wheel seal- timken 8975s
Rear wheel bearings x2- timken 3982 and 33287
Rear wheel bearing race x2- timken 3925 and 33472
Rear axle vacuum shift diaphragm- Bendix 374451
Should be about everything except rear wheel seal, rear shoes, and rear brake spring kits.
All axle related parts are the same for 1965-1974 4000lb, 5000lb, and 7000lb front axles.
