Parts for your 2016 Subaru Impreza-Oil pump

2016 Subaru Impreza oil pump: what it does and how to look after it

Technical sources confirm the 2016 Subaru Impreza is fitted with an engine oil pump and it’s absolutely relevant to servicing. The Subaru Factory Service Manual for the 2016MY Impreza (FB-series engine, Lubrication section), Subaru’s global FAST parts catalogue listing an oil pump assembly for the FB20, and independent workshop manuals covering 2012–2016 Impreza models all describe a crankshaft-driven trochoid (gerotor) pump integrated into the front timing cover. So yes—this model uses an oil pump.

On the 2016 Impreza’s 2.0‑litre FB engine, the oil pump’s job is to pull oil from the sump, push it through the filter, and feed pressurised oil to bearings, camshafts, variable valve timing components, and timing chain tensioners. A built-in relief valve manages pressure so everything stays lubricated without blowing out seals. Without a healthy pump, the low oil pressure light will have a field day and the engine won’t last long.

For day-to-day care, the best thing an owner can do for the oil pump is simple: keep clean oil of the correct grade circulating. Subaru specifies low‑viscosity oils for the FB20 (commonly 0W‑20