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I'm after an alternator for my 2004 WRX. Could anyone please confirm the correct pulley dimension I need please? as im finding a 55mm and a 54mm both keep coming up in search results.
there is a part number on the std one that you need to match as they are a "smart" style and will throw a CEL if the incorrect part is fitted (even if charging)
Thank you very much!
Yes I had already obtained the part number from my current one which is fitted, it was the pulley size and speed I was conscious to get right. Thanks for all the extra info Don Clarke!
Alternator help please
