02-07 Subaru WRX & STI Coolant Tank - Aluminum
Aluminum construction replaces the factory plastic coolant tank with a unit built to handle sustained track temperatures. Direct fit for 02-07 WRX and STI models. Hard-anodized finish resists corrosion and thermal cycling stress that degrades OEM plastic tanks over time.
Will this tank work with my existing coolant hoses and cap?
Yes — this is a direct bolt-in replacement that uses factory connection points and accepts the OEM cap. No hose modifications or adapters required.
Do I need to flush the cooling system before installation?
You should drain the old coolant before swapping tanks. Reuse the same coolant type or perform a full flush if you're switching brands or specs.
Will this tank hold more coolant than the factory plastic tank?
Tank capacity is not specified — assume it matches OEM volume. If maximum capacity is critical to your build, test-fit and measure before final installation.
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