Parts for your 2011 Subaru Legacy-Oil pump

2011 Subaru Legacy oil pump — what it does and how to look after it

Yes, a 2011 Subaru Legacy does use an engine oil pump. Technical sources including the Subaru Factory Service Manual (2011 MY Legacy/Outback, Lubrication section), Subaru Service Training for the FB-series 2.5L engine, and FSM coverage for the EJ25 and EZ36 engines all specify a crankshaft-driven gerotor/trochoid oil pump mounted at the front of the engine. On FB25 models it’s integrated in the timing chain cover