The Auxiliary Belt Idler Pulley by Febi Bilstein (Part Number: 31975) is designed to fit various models including Lexus, Mercedes Benz, and Toyota. Made of plastic and weighing 100g, this pulley has dimensions of 7.0 x 7.0 x 2.7 inches. It is a crucial component for the auxiliary drive belts in these vehicles, ensuring proper tension and performance. With reference OE/OEM numbers provided, this pulley is a reliable and high-quality replacement part for your engine.