Mishimoto Aluminum Coolant Overflow Tank - 2015+ Subaru WRX | STI
The Mishimoto Aluminum Coolant Overflow Tank is an all-aluminum, fully welded construction for supreme durability during repeated cold and hot transitions. This means you don’t have to worry about another cracked factory coolant overflow tank that can result in potential engine damage.
This is a direct-fit unit, that will come in a polished aluminum finish. This kit will reuse OEM hardware.