SKU: MMRT-STI-08BK | UPC: 748354025729
Mishimoto 2008+ Subaru WRX/STI Black Aluminum Coolant Overflow Tank
Replace the fragile plastic coolant overflow tank in your 2008+ Subaru WRX or STI with Mishimoto’s black aluminum version for lasting reliability in the engine bay. This direct-fit reservoir withstands extreme heat cycles that crack stock units while adding a clean look that complements any build. Engineered for 2008-2016 Impreza WRX/STI models and 2015-2016 WRX/STI with precise fitment to stock or Mishimoto radiators.
Key Features
- TIG-Welded Aluminum Construction: Built from solid aluminum to prevent cracking and leaks from repeated thermal expansion unlike brittle OEM plastic tanks
- CNC-Machined Dipstick: Billet aluminum dipstick provides quick accurate coolant level readings without removing the cap
- Black Anodized Finish: Protects against corrosion and delivers a stealth appearance that blends with blacked-out engine bays
- 1.2L Increased Capacity: Larger volume than stock 0.8L reservoir holds more coolant for sustained performance during track days or hard driving
- Direct Bolt-On Fit: Matches OEM mounting points and works seamlessly with factory hoses or Mishimoto radiator setups
Product Notes
- Complete replacement kit includes tank dipstick and mounting hardware for straightforward swap
- Retains factory coolant cap compatibility for plug-and-play installation
- Packed in protective foam inserts to prevent shipping damage
Installation Notes
- Professional installation recommended.
- Bolt-on process takes 30-60 minutes with basic hand tools
- Uses existing OEM hose routing and mounting brackets
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza | WRX |
| 2010-2014 | Subaru | Impreza | WRX Limited |
| 2009-2014 | Subaru | Impreza | WRX Premium |
| 2008-2014 | Subaru | Impreza | WRX STI |
| 2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2015-2016 | Subaru | WRX | Base |
| 2015-2016 | Subaru | WRX | Limited |
| 2015-2016 | Subaru | WRX | Premium |
| 2015-2016 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2016 | Subaru | WRX STI | Limited |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
Why Choose Mishimoto?
- Trusted by motorsport teams for direct-fit cooling solutions
- Every part tested for OEM-level fit and extended durability
- Backed by Lifetime Warranty against defects
Frequently Asked Questions
- Q: Will this fit my 2015 Subaru WRX STI Limited?
A: Yes it bolts directly to 2015-2016 WRX STI Limited models using factory mounts and hoses with no modifications - Q: What finish options are available?
A: This model features durable black anodized aluminum other finishes like polished are sold separately - Q: What does the Lifetime Warranty cover?
A: Covers manufacturing defects for the original owner when installed and used properly direct replacement provided
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure Mishimoto box 10.5 x 7.5 x 7.5 inches
- Weight: 1.3 lbs product 2.0 lbs shipping
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