Mishimoto · New
Mishimoto 08+ Subaru WRX/STI Polished Aluminum Coolant Overflow Tank
MPN MMRT-STI-08 · Store SKU misMMRT-STI-08
Supplier stock checked 11/8/2026, 10:30:34 AM UTC. Adding a part does not reserve it.
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Product details
Get that plastic blob of an overflow tank out of your engine bay. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and they create a horrible eyesore as they lurk in your engine bay. Mishimoto's 2008+ STI / WRX coolant overflow tank is constructed from durable, TIG-welded aluminum for optimal durability and longevity. Included with this STI / WRX coolant overflow tank is a CNC-machined dipstick to allow for easy checking of coolant levels. With the choice of two finishes, polished and anodized black, this tank will have no problem matching the style of your engine bay. This STI / WRX coolant overflow tank fits perfectly with the stock or Mishimoto STI / WRX radiators. As with all Mishimoto STI and WRX parts, this overflow tank includes the Mishimoto Lifetime Warranty. Get that plastic blob of an overflow tank out of your engine bay. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and they create a horrible eyesore as they lurk in your engine bay. Mishimoto's 2008+ STI / WRX coolant overflow tank is constructed from durable, TIG-welded aluminum for optimal durability and longevity. Included with this STI / WRX coolant overflow tank is a CNC-machined dipstick to allow for easy checking of coolant levels. With the choice of two finishes, polished and anodized black, this tank will have no problem matching the style of your engine bay. This STI / WRX coolant overflow tank fits perfectly with the stock or Mishimoto'sTI / WRX radiators. As with all Mishimoto'sTI and WRX parts, this overflow tank includes the Mishimoto Lifetime Warranty. Engine coolant reservoir designed to store and regulate excess coolant for proper system operation. Durable construction resists heat and pressure, helping prevent leaks and maintain optimal temperature. Aluminum Coolant Overflow Tank, Polished, fits Subaru WRX/STI 2008-2021 Subaru WRX/STI Aluminum Coolant Overflow Tank
Manufacturer fitment & guides
- 2015-2016 Subaru WRX Base 2.0 Liter TY751, 2015-2016 Subaru WRX Limited 2.0 Liter TR690, 2015-2016 Subaru WRX Limited 2.0 Liter TY751, 2015-2016 Subaru WRX Premium 2.0 Liter TR690, 2015-2016 Subaru WRX Premium 2.0 Liter TY751, 2015-2016 Subaru WRX STI Base 2.5 Liter TY856, 2015 Subaru WRX STI Launch Edition 2.5 Liter TY856, 2015-2016 Subaru WRX STI Limited 2.5 Liter TY856, 2016 Subaru WRX STI Series.HyperBlue 2.5 Liter TY856
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
