| Year | Make | Model |
|---|---|---|
| 2007 - 2014 | Subaru | Impreza |
| 2008 - 2014 | Subaru | Impreza WRX STI GR Sedan |
| 2014 - 2021 | Subaru | WRX |
| 2014 - 2021 | Subaru | WRX STI |
| 2014 - 2021 | Subaru | WRX VA |
COBB 2008-2014 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800655)
COBB 2008-2014 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800655)
SKU:800655
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â–¶ Vehicle Fitments
The COBB Coolant Overflow Tank for 2008–2014 Subaru WRX and STI models is a high-quality replacement designed to improve durability and functionality over the OEM unit. Constructed from welded aluminum, this tank offers enhanced resistance to cracking and heat damage commonly experienced with the factory plastic tank. With a capacity of 0.8 liters, it matches the original size while providing a more refined and robust design. The tank features internal and external baffling to reduce coolant slosh and maintain consistent fluid levels during aggressive driving. Its compact and streamlined shape also addresses clearance issues, making it a superior choice for vehicles equipped with aftermarket front-mount intercoolers.
This overflow tank is specifically engineered for Subaru WRX and STI models from 2008 to 2014, ensuring a direct fit without modification. It is ideal for street, track, and performance applications where reliability under extreme heat cycles is critical. The tank installs as a direct replacement for the OEM unit, maintaining factory mounting points and hose connections for straightforward installation. Its design accommodates upgraded cooling setups and tight engine bay configurations, making it suitable for enthusiasts seeking both improved aesthetics and enhanced cooling system performance.
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Overview
Overview
COBB Coolant Overflow Tank
Fitment: 2008-2014 Subaru WRX / 2008-2014 Subaru STI
Part #: 800655
Overview
The COBB Coolant Overflow Tank is a direct upgrade designed specifically for the 2008-2014 Subaru WRX and STI models. It replaces the OEM plastic tank, which is prone to cracking and can appear unsightly after extended use, especially under the stress of high heat cycles and aggressive driving. This aluminum tank offers a more durable and visually appealing solution while maintaining the same .8L capacity as the original.
Ideal for enthusiasts who have installed or plan to install an aftermarket front-mount intercooler (FMIC), the COBB tank features a compact and streamlined shape that reduces interference and clutter in the engine bay. This upgrade enhances both the reliability and aesthetics of your vehicle’s cooling system without compromising functionality.
Key Features
Designed to improve on the OEM component, the COBB Coolant Overflow Tank includes:
- Constructed from welded aluminum for superior durability and heat resistance
- Maintains the OEM coolant capacity of approximately .8 liters
- Compact, low-profile design to accommodate aftermarket FMIC setups
- Improved resistance to cracking and deformation under extreme heat cycles
- Clean, polished finish that enhances engine bay aesthetics
- Direct bolt-on replacement for straightforward installation
Installation & Fitment
The COBB Coolant Overflow Tank is engineered as a direct replacement for the factory unit on 2008-2014 Subaru WRX and STI models. Installation is straightforward, requiring no modifications to existing mounting points or hoses. Its design ensures compatibility with stock cooling systems while providing additional clearance for upgraded intercoolers.