Diagram reference number 3 in the image below:
"" Fitment: 2004 SUBARU BAJA - 4 door

Application Notes: Side Seal

Category: Cooling

SubCategory: Gaskets and Sealing Systems

Position: General

Part Number: 21116AA040


This is a Engine Water Pump Gasket that fits the 2004 SUBARU BAJA - 4 door with the EJ253 engine. The Engine Water Pump Gasket is designed by SUBARU to be part of the Cooling-Gaskets and Sealing Systems. The Engine Water Pump Gasket has a position on the vehicle of General. The 2004 SUBARU BAJA Engine Water Pump Gasket is a factory made SUBARU OEM part and it comes with a 12 month 12.000 mile warranty (parts only). Do not be fooled by an aftermarket SUBARU BAJA Engine Water Pump Gasket! Buy a factory SUBARU part and receive peace of mind!
This factory part has a part number of 21116AA040. "