The STi High Pressure Radiator Cap is an OEM style cap designed to directly replace the factory component and provide a pressure rating of 0.13MPa. 100% genuine STi product. Part# ST45137ST001. Made by STi / Subaru Tecnica International Inc. Japan.
Fits the following:
1993-2020 Subaru Impreza (Including WRX / STi)
1990-2021 Subaru Legacy
2000-2021 Subaru Outback
+ Other Subaru with equivalent fitment