If you purchase this though it wont matter because you will have the rear differential and axles as well. The other sure way is to pull the rear cover and count the teeth.
Gear Ratios Subaru Legacy Forums
Subaru rear diff codes. Genuine subaru part 28421ae11b8a 28421ae06a 28421ae11a 28421ae11b cv axle left rear. No ls were 390 final drive. At least thats what their subaru manual thingy said. Screw refuse type lsd. There is a 2 digit code stenciled on the top spline of most diffs. Type subaru gearbox info 6mt 85mm.
I noticed that the front wheels on my 2005 subaru outback 30r ll bean were wheel spinning a lot recently when driving in the rain so went to see my mechanic. Most 444s have a tp many 411s have a t2 unfortunately ive seen both of those diffs with a different code on them as well. I used to have a fsm chart with the different codes but i cant find it now. Subaru motor vehicles have used manual conventional automatic and continuously variable cvt transmissionssubaru manufactures its own manual and cvt transmissions for non kei carssince the 1970s all subaru conventional automatic transmissions have been jatco designs adapted to subaru specifications. 1996 and earlier ej22s had 411s though. Code model range 1st 2nd 3rd 4th 5th 6th rev.
Screw refuse type lsd 27011aa280. Manual transmission ratio chart for subaru impreza years 1993 onwards 5 and 6 speed boxes covered. I suspect it has been like. Found this is out from a subaru junkyard. Once the car was up on the ramp the problem was obvious the rear left drive shaft had come out of the diff. Citation needed since the 2014 model year the conventional automatic transmissions.