The Toyota Idler Pulley 16604-31020 fits various models such as Camry, 4Runner, and Tacoma, providing a reliable and high-quality replacement part. Made in Japan, this pulley is designed specifically for Toyota vehicles, ensuring a perfect fit and optimal performance. With OE/OEM part numbers 16604-0P010, 16604-31010, and 16604-0P011, this pulley is a crucial component for maintaining the smooth operation of your vehicle's belt system.