The Valeo Porsche Voltage Regulator - 91160390100 is a high-quality replacement part for Porsche vehicles. It is designed to regulate the voltage output of the vehicle's charging system, ensuring that the battery receives the correct amount of power. This voltage regulator is made by Valeo, a trusted brand in the automotive industry known for its durable and reliable products. It is specifically designed for use in Porsche 911 models and has a part number of 91160390100. This voltage regulator is a direct fit and meets or exceeds OEM specifications, making it a reliable choice for maintaining the electrical system of your Porsche vehicle.