IAG PerformanceIAG Subaru AN-Style Thermostat Housing

The IAG AN Style Thermostat Housing is the perfect upgrade for those transitioning from rubber OEM Subaru hoses to aftermarket AN hoses. This precision-engineered thermostat housing is designed to replace the factory unit in the following Subaru models- 2002-2024 WRX, 2004-2021 STI, 2004-2021 STI, 2004-2013 FXT, 2005-2009 LGT and 2013-2024 BRZ. It ensures a reliable and secure connection with aftermarket AN components, while providing optimal coolant flow for your Subaru’s cooling system. IAG’s AN Style Thermostat Housing is precision machined from robust 6061-T6 billet aluminum. Unlike cast aluminum, billet aluminum offers superior strength, enabling it to endure higher levels of heat, stress, and strain. This thermostat housing has a flat 2 bolt OEM-style mounting flange on one side, along with a -20 AN male threaded end on the opposite side. Additionally, the housing features a sleek black anodized finish, providing enhanced protection against corrosion.