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Moroso Coolant Expansion Tank - Subaru WRX / STI VA


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Fits 2008+ Subaru WRX / STI

This is a direct replacement for your factory expansion tank designed to be more durable, have a larger coolant capacity, all while improving the engine aesthetics.



  • Direct bolt-in replacement for stock, cracked, or discolored tanks
  • Fabricated aluminum for strength, factory tanks fail after repeated high-heat situations
  • The aluminum tank can be polished, chromed, painted, powder-coated, or left as-is for a race look
  • Has a provision for the factory siphon hose
  • Includes a billet aluminum cap with O-ring
  • Integral billet aluminum hose fittings