The Audi A4 B7 2004-2008 alarm system siren 1K0951605A is a genuine Audi part designed specifically for these model years. This siren serves as an essential component of the vehicle's security system, providing a reliable and effective way to deter theft. With its manufacturer part number 1K0951605A, this alarm system siren ensures a perfect fit and compatibility with the Audi A4 B7 2004-2008 model. Whether you are replacing a faulty siren or upgrading your vehicle's security features, this product offers a high-quality and trustworthy solution for your Audi.