Parts for your 2009 Subaru Outback-Oil pump

2009 Subaru Outback Oil Pump — What it does and how to look after it

Technical sources confirm the 2009 Subaru Outback is absolutely fitted with an engine oil pump. The Subaru Factory Service Manual for the 2009 Legacy/Outback (BP/BL), the Subaru FAST parts catalogue, and well-regarded aftermarket manuals all detail a crankshaft-driven trochoid/gerotor oil pump on the EJ25 petrol engines (and a gear-type pump on the EE20 diesel). So an oil pump is relevant and essential on this model.

The oil pump on a 2009 Subaru Outback has one core job: keep pressurised oil moving through the engine so everything lives a long and happy life. Driven directly off the crankshaft, the pump pulls oil from the sump, feeds the main and rod bearings, camshafts, and—on variable valve timing engines—regulates the oil that actuates the cam phasing hardware. On the EJ25 petrol engines it’s a compact gerotor unit tucked behind the crank sprocket