I've been working through the car refurbishing all the parts as I go... have a big pile of them now...
For many parts, master cylinders, carb, callipers, etc. You can get 'repair kits' that contian all the bits that can wear out or perish so you can rebuild as good as new like...
Just collected the fuel pump repair kit from the post office. Here is the label on the box: -
It's nearly as old as the bloody car!