Heating and Cooling› Overflow Tanks and Catch Cans
Mishimoto
Mishimoto Subaru 08-14 WRX/ 05-09 Legacy GT Aluminum Coolant Expansion Tank - Black
SKU: M00C MMRT-WRX-08EBK
Moderate — 2–4 hours
Description
This expansion tank offers a 22-percent increase in fluid capacity over the factory unit and includes leak-free welded CNC barb fittings. It is available in a polished aluminum or Stealth Black finish and comes with the Mishimoto Lifetime Warranty.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Mishimoto |
| Part Number | M00C MMRT-WRX-08EBK |
Videos
Aluminum Coolant Expansion Tank for the 2008–2014 Subaru WRX, Installation Video
Aluminum Coolant Expansion Tank for the 2002–2007 Subaru WRX / 2004–2016 STI Installation Video
Performance Aluminum Radiator Install Video for the Subaru WRX 2008–2014 / STI 2008–2015
Subaru WRX STI NEW Cobb Coolant Overflow Tank Install | STEP BY STEP
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Performance Aluminum Radiator fits 2001-2007 Subaru WRX/STI Features & Benefits Video
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Mishimoto Coolant Expansion Tank 02-07 Wrx
Mishimoto Coolant Reservoir Install [Subaru WRX Build] (w/ Custom Brackets & Pro Tips)
Aluminum Coolant Expansion Tank fits 2002–2007 Subaru WRX / 2004–2016 STI Features and Benefits
DIY - How to Bleed a Coolant System with Mishimoto Liquid Chill™ Synthetic Engine Coolant
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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