Look up your specific year and trim on parts.subaru.com
That's for the side going into the differential?28333 and 28335. Search by ur exact model
REAR AXLE. DRIVE SHAFT.. 2002 Subaru WRX (205) 5MT 4WD SEDAN | Subaru Parts Online
2002 Subaru WRX (205) 5MT 4WD SEDAN REAR AXLE. DRIVE SHAFT.parts.subaru.com
I believe it is. But my boot is torn so I'm replacing the whole axle now.Is it a Subaru part? There are more than a few aftermarket axles that have the clip in the wrong location so they won't lock properly.