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  • Direct fit for the 2002-2007 Subaru WRX/STI
  • 50-percent greater capacity than stock plastic expansion tank
  • 100-percent aluminum, fully-welded construction for maximum durability during repeated cold and hot transitions
  • Leak-free welded barb fittings
  • Fits with stock and Mishimoto radiator caps
  • Polished aluminum finish matches the Mishimoto Subaru WRX/STI Performance Aluminum Radiator
  • Mishimoto Lifetime Warranty


Reliability comes hand in hand with the Mishimoto Subaru WRX/STI Aluminum Coolant Expansion Tank. Stock coolant expansion tanks are prone to fail after years of constant temperature variations. The Mishimoto tank is constructed from durable, TIG-welded aluminum with barbed fittings for optimal durability and longevity.


This expansion tank from Mishimoto provides a 50-percent increase in capacity compared to the stock unit. The Mishimoto Coolant Expansion Tank is engineered for perfect precise fitment in the 2002-2007 WRX/STI and comes along with the Mishimoto Lifetime Warranty so you can have peace of mind!!



Fits the 2002-2007 Subaru WRX/STI




Mishimoto Aluminum Coolant Expansion Tank 2002-2007 WRX/STI

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