
Mishimoto anodized-black aluminum coolant overflow tank for 2008+ Subaru WRX/STI models. Fabricated from TIG-welded aluminum with a CNC-machined dipstick for coolant checks, it is offered to match stock or Mishimoto radiators and replace the original plastic tank prone to thermal-cycle failure. The unit installs in under 30 minutes and is backed by Mishimoto’s Lifetime Warranty.
Mishimoto 08+ Subaru WRX/STI Black Aluminum Coolant Overflow Tank