are spark plug wires interchangeable with other years and models of the car. on 1991 Audi 90

I need one wire for my Audi 90 and I can't buy a set. It the core wire.

by in Oak Park, IL on August 30, 2011
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2 answers
ANSWER by , August 30, 2011
Your local parts store should have a breakdown of what is required for each wire in a set or take old one in and they can match.
ANSWER by , August 31, 2011
Look at www.rockauto.com ,they usually have good images of parts, see if the part number crosses over to any other car.