Turbocharged Intercooler

The Subaru Charge Air Cooler, part number 21821AA031, is a complete intercooler assembly designed as a direct replacement for various Subaru models. This component is crucial for turbocharged engines, as it helps cool the compressed air before it enters the engine, optimizing performance. If your Subaru is equipped with a turbocharger and you've noticed a reduction in acceleration, or if you hear a hissing sound during acceleration accompanied by a check engine light, your intercooler or its associated piping/tubes may require repair or replacement. This genuine Subaru part ensures proper fit and function for your vehicle. This intercooler is compatible with a wide range of Subaru vehicles, including the Forester, Impreza, Legacy, Outback, and WRX models, spanning various model years from 1995 to 2026. Specific fitment details can be confirmed using the vehicle confirmation tool.