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The rear diff is the same for 02-05 WRX's.
Check out NASIOC forum.
Check out car-part.com maybe you can find one at a wrecking yard near you.
This is a discussion on 02- wrx rear diff + axles. within the Personal For Sale & Wanted forums, part of the ClubWRX.net Marketplace category; Looking for a 02 or any wrx rear diff with axles that would bolt up to a 5 speed 02 ...
Looking for a 02 or any wrx rear diff with axles that would bolt up to a 5 speed 02 wrx. Shipped to 89032 thanks.
Parts off an '04 WRX with less than 77K miles (parts will fit your '02 unless it's a wagon, then only the rear diff will work without further mods)
$150 - Rear Diff (et al)
$100 - Rear Axles
$80 - Shipping
$9 - PayPal Fees
$339 - Total
So I'll do $325 shipped
My '04 WRX Part Out thread
'04 WRB WRX Part Out
'02 WRB WRX Wagon
'04 Silver MINI
Buy my Stuff!!! http://www.clubwrx.net/forums/person...-part-out.html