- Subaru WRX (2002, 2003, 2004, 2005, 2006, 2007)
- Subaru WRX STI (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016)
- Engine Codes
- Direct fit for the 2002–2007 Subaru WRX and 2004–2016 Subaru WRX STI
- 50% greater capacity than stock plastic expansion tank
- 100% 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
- (1) Aluminum Expansion Tank
- (1) Mishimoto Radiator Cap
- Lifetime Warranty
Add some additional reliability and engine bay styling with the Mishimoto Subaru WRX 2002–2007 / STI 2004–2016 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 50% increase in capacity compared to the stock unit. It features a polished silver 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 2002–2007 WRX and the 2004–2016 STI! As with all our products, this expansion tank includes the Mishimoto Lifetime Warranty
More in this categoryMishimoto Aluminum Coolant Expansion Tanks
Subaru STi Parts
Subaru WRX Parts
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Ordering from Redline360Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
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Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
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Actual item may vary from picture
Unless otherwise noted, we can not ship most downpipes, headers, test pipes or intakes to California. We will notify you if we have to cancel the order if the item you purchased is not CARB legal. For all other states not following CARB smog laws, items are considered for off road use only (race tracks) and can not be used on public roads.