When changing out my Bosch alternator pulley on my '86 190D 2.5 I committed the gross sin of losing the woodruff key! I did not realize that this was a special woodruff key so I went to several hardware auto parts stores to no avail. My manual's exploded diagram does not denote the size. Any help would be appreciated. Bosch alternator #AL65X.

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327K on 1986 W201, 602.911, 722.414 2.5 190D ("The Red Baron")
139K on 1993 W124, 104.942, 722.433 2.8 300E ("Queen")

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Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
- Albert Einstein

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