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Upgrade your engine bay by replacing the ugly OEM plastic coolant overflow tank with the precision-crafted, CNC-machined PERRIN Coolant Overflow Tank!
Compact Design
The PERRIN Coolant Overflow Tank gives you extra clearance for aftermarket intercooler piping and pairs perfectly with performance kits that don’t come with a tank. Its 36-cubic-inch capacity and universal design make it a great fit for most coolant systems that use OEM overflow tanks.
Integrated Lid
PERRIN Coolant Overflow Tanks feature an integrated lid for a sleek and functional design. Simply lift the cap to quickly check or top off your coolant.
Construction & Finish
Designed to last, the PERRIN Coolant Overflow Tanks are constructed from CNC-machined aluminum and feature a black, neon yellow, hyper pink, or red finish to match any engine bay!
Universal Hardware
The kit includes detailed instructions, several feet of high-quality silicone hose, and multiple mounting brackets, allowing you to install the tank virtually anywhere on any vehicle.
[ Special Order ]
| Year Fitments | Subaru WRX | Subaru STI | Subaru BRZ |
|---|---|---|---|
| 2002 | ✓ | ||
| 2003 | ✓ | ||
| 2004 | ✓ | ✓ | |
| 2005 | ✓ | ✓ | |
| 2006 | ✓ | ✓ | |
| 2007 | ✓ | ✓ | |
| 2008 | ✓ | ✓ | |
| 2009 | ✓ | ✓ | |
| 2010 | ✓ | ✓ | |
| 2011 | ✓ | ✓ | |
| 2012 | ✓ | ✓ | |
| 2013 | ✓ | ✓ | ✓ |
| 2014 | ✓ | ✓ | ✓ |
| 2015 | ✓ | ✓ | ✓ |
| 2016 | ✓ | ✓ | ✓ |
| 2017 | ✓ | ✓ | ✓ |
| 2018 | ✓ | ✓ | ✓ |
| 2019 | ✓ | ✓ | ✓ |
| 2020 | ✓ | ✓ | ✓ |
| 2021 | ✓ | ✓ | |
| 2022 | ✓ | ✓ | |
| 2023 | ✓ | ✓ | |
| 2024 | ✓ | ✓ | |
| 2025 | ✓ | ✓ |
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to P65Warnings
| SKU | Perrin Coolant Overflow Tank (02+ WRX, 04-21 STI, 13+ BRZ) |
|---|---|
| Brand | Perrin |






