Oil pump

RckyMtnLegacy · Post by **RckyMtnLegacy** » Wed Feb 16, 2011 4:54 am

http://motors.shop.ebay.com/i.html?_nkw ... rksid=m270

How different are the oil pumps year to year. I have two, one I can't get to spin and the other seems ok but it's old and I feel better with a new one. Auto zone, and oreilly's do not carry the oil pump. Will this one work need it by Friday.

mike-tracy · Post by **mike-tracy** » Wed Feb 16, 2011 5:41 am

Well your car came with a shimmed 10mm oil pump, same thing as the STI uses. That one I'd guess is either a standard 9 or 10mm pump. It'll work, but an STI one would be better.

RckyMtnLegacy · Post by **RckyMtnLegacy** » Wed Feb 16, 2011 7:16 am

Where is the best place to find one or check if mine is good

kimokalihi · Post by **kimokalihi** » Wed Feb 16, 2011 8:05 am

NASIOC or the dealership but I buy all my OEM parts from 1stsubaruparts.com which usually has the best prices.

RckyMtnLegacy · Post by **RckyMtnLegacy** » Wed Feb 16, 2011 7:33 pm

Ok I will look. So basically all will bolt on the insides are different? So a 2004 sti oil pump will work?

mike-tracy · Post by **mike-tracy** » Wed Feb 16, 2011 7:37 pm

RckyMtnLegacy wrote:Ok I will look. So basically all will bolt on the insides are different? So a 2004 sti oil pump will work?

Yes. You'll find that the STI oil pump part number has replaced the SS one.

kimokalihi · Post by **kimokalihi** » Wed Feb 16, 2011 11:32 pm

Any EJ oil/water pump will fit. But go with the STI one for better performance.

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