The Genuine Porsche Alternator Pulley Outer (911) - 99310651050 is a high-quality replacement part for Porsche 911 vehicles. This pulley is designed to be installed on the outer side of the alternator and is responsible for driving the alternator belt, which in turn powers the vehicle's electrical system. Made from durable materials, this pulley is built to withstand the rigors of daily use and provide reliable performance. It is an authentic Porsche part, ensuring a perfect fit and compatibility with your vehicle. Keep your Porsche running smoothly with the Genuine Porsche Alternator Pulley Outer (911) - 99310651050.