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Old 10-14-2026, 06:09 PM   #3
jonboy99
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Drives: Black Panda BRZ
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Quote:
Originally Posted by RongTurnRacing View Post
Basically, what it means is that your part number was replaced by the newer part number.

Supercede means that this is the greater (newer) part.

Supersession means that a greater (newer) part is now what is used.

I can't quite track what you're trying to demonstrate in your example. However, here is a pic of what it looks like at their online catalog.
Well, just got back from the dealer for the 2nd time - it seems you and I think one thing, and subaru thinks another!

So when the BRZ parts fiche says:

Part Number: 23769AA040
Supersession(s): 23769AA110


It actually means that 23769AA040 is the newer part, and 23769AA110 is superseded.

So when I went in and gave the old part number 23769AA110, the parts guy accidentally ended up on the forester parts fiche where it says:


Part Number: 23769AA111
Supersession(s): 23769AA110

So he then gave me part 23769AA111 which is compatible with the forester, but doesn't fit the brz - even though the original tensioner must have fitted both the forester and brz.


On the upside, while i was at the dealer I did pick up some much needed new wiper blades, and replacing the serpentine belt and tensioner was way easier than expected. So not a bad day. And I learned always to triple check my parts before driving away from the dealer.

Last edited by jonboy99; 10-14-2026 at 06:23 PM.
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