Subaru OEM 10mm Oil Pump - Subaru WRX 2002-2014 / STi 2004-2007 (+Multiple Fitments)This is the Subaru OEM Oil Pump. This oil pump is available for separate purchase for those of you who need a direct replacement. Any time you rebuild or replace the engine in your vehicle, it is very important that you always start fresh with a new oil pump as used oil pumps could be hiding old engine debris which can cause damage that will ultimately lower your oil pressure. DETAILS: Genuine Subaru OEM component 11mm oil pump profile Sold