Mishimoto aluminum expansion tank for 2017+ Honda Civic Type R replaces the stock plastic unit with a fully welded all‑aluminum tank offered in a black micro‑wrinkle finish. It features internal baffling to retain coolant near the overflow port during aggressive driving and includes a sight glass for fluid visibility. This direct‑fit tank is designed for improved longevity and is covered by Mishimoto’s lifetime warranty.
Mishimoto 2017+ Honda Civic Type R Aluminum Expansion Tank - Black