A new water pump for your Subaru WRX or STI is a must whether you are performing standard maintenance, rebuilding your motor, or doing a full engine swap. 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.
2005 Model WRX's with EJ20 use part #43513
Legacy GT 2005-2009
Forester FXT 2004-2006