Parts for your 2008 Subaru Legacy-Oil pump

2008 Subaru Legacy Oil Pump

Yes, the 2008 Subaru Legacy is fitted with an engine oil pump. Technical references such as the Subaru Factory Service Manual (2008 Legacy/Outback, Lubrication System section), Subaru’s genuine parts catalogue for the BP/BL chassis, and common workshop data (e.g., Haynes/Autodata) all list a crankshaft-driven, trochoid-style oil pump mounted at the front of the EJ engine. It sits behind the crank sprocket and is integrated with the front cover, delivering pressurised oil throughout the engine.

The oil pump’s job is simple but critical: pull oil from the sump, push it through the filter, and feed the galleries that lubricate the crank and cam bearings, piston cooling jets (where fitted), and, on turbo models, the turbocharger. It also helps carry away heat and contaminants. A built-in pressure relief valve keeps pressures in check so the engine gets steady lubrication across Aussie summers and chilly Kiwi mornings alike.

For a 2008 Legacy, the oil pump isn’t a routine “replace on schedule” item. Instead, it’s inspected and often serviced when the timing belt is done, because access is right there. At belt service, good practice is to check the pump-to-block O-ring, the front crankshaft seal, and the pump backing-plate screws