4kq/90q Front Rotor Size/ part numbers

[Ti Kan]

Huw Powell writes:
> > part #s from
> > TPC are the same except for the first 3 digits.  I
> > think the first 3 digits specify which model the part
> > is for, so the same part could have multiple part
> > numbers.
> 
> It appears to me, sometimes, that the digits 1 - 3 bear some
> relationship to the model/platform # where a part first appears (or at
> least digits 1 - 2).  If a different but identical purpose part turns up
> later, it may very well have the same digits 4 - 9, which "describe" the
> part.  But it will not be the same.  fule pump relays are a good example
> of this.

For a write-up about the meanings of the digits in Audi (and VW, Porsche,
Seat and Skoda) part numbers, go to my web site:

	http://www.amb.org/ti/audi/usmodels.html

-Ti
01 S4 2.7 biturbo quattro
84 5000S 2.1 turbo
80 4000 2.0
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    ///  Ti Kan                Vorsprung durch Technik
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