The OEM Subaru water pump is manufactured by Gates Automotive and includes all the necessary gaskets and hardware saving you the hassle of multiple trips to the dealer or messy leaks due to poor seals. Gates water pumps for the WRX & STI vary depending on model year and engine configuration, so please choose carefully when ordering.
Note: 2005 Model WRX's with EJ20 use part No 43548, please choose accordingly