This premium, brand-new Idle Air Control Valve (IACV) is manufactured in China to meet strict OEM standards. It directly replaces your faulty factory unit to immediately restore stable engine idle speeds, eliminate rough idling, and prevent engine stalling under varying loads. Engineered for an exact plug-and-play fit, it provides long-lasting, reliable airflow regulation for select 1994-1999 Lexus and Toyota models.