An air filter housing, also known as an air cleaner housing or air filter box, is a component of an engine’s air intake system. Its primary function is to house the air filter element and connect it to the intake manifold or carburetor/throttle body, depending on the engine design.Upgrade your Toyota’s performance with the Toyota genuine Air Filter Housing 17700-78541. Designed to securely hold the air filter, this OEM component ensures clean airflow, optimizing engine efficiency and longevity.For more details, contact us for the most reputable dealership online.We offer seamless and reliable automotive and auto-motive part experiences.