Part #: 13108AA141
The Subaru WRX oil pump is integrated into the OEM FA20 DIT aluminum engine timing cover. The oil pump should be replaced during an engine rebuild if the failure was due to catastrophic failure.
Warranty Disclaimer: Subaru of America will only warranty parts installed by a CERTIFIED Subaru Dealership. The part being installed must also match the vehicle VIN. IE If you install an STi block in a WRX at your friends shop, do not expect a warranty claim to come through if it explodes! Please use your best judgement.