As far as I know, Napa does not manufacture oil filters. If you need to get a part #, you can go to any parts store online and type in a description of the vehicle. Most sites will give you numbers for several different brand names of oil filters. Or you could just call Napa!
There is no Power Steering Filter on a 2002 Subaru Legacy/Outback.
The Subaru Outback fuel filter is located inside of the fuel tank. Changing the fuel filter can be very costly and time-consuming.
where would you find out if the Air Conditioner filter is blocked on a 2005 Subaru Outback
I found no mention of a power steering filter in the owner's manual or in the service manual for Outback.
The filter is behind the glove box. There is a video on wikihow.com that shows replacement and it requires removal of about a half-dozen panels including the glove box.
http://www.cars101.com/subaru/airfiltration.html#00-04legacy
The fuel filter is inside the gas tank, attached to the fuel pump.
Post a classified add in the local newspaper...
10 minutes or less
4.5q with a full drain and oil filter change
Subaru OEM # 15208AA024; Fram # PH3593A; Puro # L14460; Wix #51334.....
How To: GD: Fuel Filter Replacement - Subaru Impreza WRX STI ...