Most parts, especially for older cars, are often made by only one or two manufacturers, but are sold under many different brands including "house brands", and brands you might be familiar with like Bendix or Raybestos for brake parts.

In the vintage Corvette world (and other vintage domestic marques) virtually all electrical parts (ignition, starter and charging systems) are made by Standard Motor Products, a current Tier 1 parts supplier for the automotive industry, and in addition to their house brands, Standard and Blue Streak, they are offered in traditional brand names like Echlin (NAPA), Niehoff, Borg-Warner -even Delco - same SMP-manufactured part, just a different name on the box and marketing channel.

Delco hasn't made these kinds of small parts for three decades since GM sold off most of their parts manufacturing operations. It's just a GM marketing outfit.

So ask some of you sources who manufactures the parts. They might know, and if it's a name you recognize they should be okay even if manufactured offshore, but I'm hearing more and more reports from the vintage car community that replacement part quality is deteriorating.

Duke