Heating and Cooling› Overflow Tanks and Catch Cans
Mishimoto
Mishimoto 08+ Subaru WRX/STI Black Aluminum Coolant Overflow Tank
SKU: M00C MMRT-STI-08BK
Moderate — 2–4 hours
Description
Constructed from fully TIG-welded aluminum, it features a CNC-machined dipstick for easy coolant level monitoring. Installation is straightforward and can be completed in under 30 minutes without requiring modifications. It is available in a black anodized finish and pairs well with stock or Mishimoto radiators.
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-STI-08BK |
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.
View Full Return Policy