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Decoding alternator part #

  • Thread starter Thread starter theo
  • Start date Start date
T

theo

Guest
Can someone please clarify what's going on with this part number?
I've been looking for a "correct" alternator for my 1980. Have been offered one for sale with the correct part number, and the following date code...

D059
Which I can't make sense of!
Can someone confirm for me the actual way these codes work? I know a block casting date, for example, would have a letter followed by three numbers. If the alternator number followed this rule, then we'd be looking at April (D), the fifth (05), 1979 (9) (Does this seem rather early for a model of alternator which I know was fitted to the LATE production 80's?)

However, I've also read that parts like the alternator are normally coded with a number, a letter, then two numbers. I've not seen the date code in the flesh so to speak, so there could be some mistake on the part of the vendor, perhaps its actually 0D59...
But wouldn't this suggest the 59th day of april, 1980?!

If someone can just confirm for me exactly how the alternator date code system works, and if there are any exceptions to the rule, then at least I could try and get hold of a digital photo of the stampings and work it out for myself.
Thanks!
:beer
 

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