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Mishimoto - Coolant Expansion Tank - Polished Aluminum - Subaru 08-14 WRX / 05-09 Legacy GT & OBXT

Mishimoto - Coolant Expansion Tank - Polished Aluminum - Subaru 08-14 WRX / 05-09 Legacy GT & OBXT


Regular price $271.12 USD
Regular price Sale price $271.12 USD
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Add some additional reliability and engine bay styling with the Mishimoto Subaru WRX 2008-2014 Aluminum Coolant Expansion Tank. Stock coolant expansion tanks are prone to failure 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 provides a 22% increase in capacity compared to the stock unit. It features a polished or anodized black finish that will look great in your engine bay, and it matches the Mishimoto Subaru WRX/STI Performance Aluminum Radiator.

The Mishimoto Coolant Expansion Tank is engineered for perfect fitment in the 2008-2014 WRX and also fits the 2005-2009 Subaru Legacy GT / Outback XT!

As with all of our WRX performance parts, this expansion tank includes the Mishimoto Lifetime Warranty.



  • Direct fitment
  • 100% aluminum, fully-welded construction for maximum durability during repeated temperature transitions
  • 22% greater coolant capacity than the stock plastic coolant expansion tank
  • Leak-free welded CNC barb fittings
  • Fits with stock and Mishimoto radiator caps
  • Brand: Mishimoto
  • Color: Polished Aluminum
  • Installation Hardware Included: No, reuses OEM
  • Material: Aluminum



NOTE: This expansion tank may not fit with the stock air intake "S" hose, an aftermarket intake is recommended for the best fit



  • 2005-2009 Subaru Legacy GT
  • 2005-2009 Subaru Outback XT
  • 2008-2014 Subaru WRX


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