Jumper wrote:
Just thinking out loud, might that be an explanation for the curiously identical parts (other than packaging) across brands?
Yes and no. There are only a small number (relatively) of manufacturers of automotive components. So for example, Bosch make some things for lots of car manufacturers. You would expect that they try to make all of those parts similar to keep costs down. Car manufacturers, don't design every component themselves from the ground up, it would cost too much.
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