Part compatibility

[Huw Powell]

> I have a question relative to part compatibility:
> 
> Example: rear caliper from a 90Q (1993) and an A4Q (1996-1999)
> 
> part is 8A0 615 423 and 8D0 615 423. Should I expect that both parts
> are interchangeable and the A and D represent version of the part.

You should expect them to be completely different.  At least until you
compare them side by side.

-- 
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/