This OEM satellite radio module is a direct replacement for the 2008-2009 Audi A5, A6, S5, and S6. It has been tested, cleaned, and inspected for quality assurance. The module is compatible with various part numbers, including 4E0035593G, 4E0910593K, 4E0910593H, and 4E0910593L. In addition to its compatibility, this module also features satellite radio and includes part number 4E0910593K. Whether you're looking to replace a faulty module or upgrade your in-car entertainment, this OEM satellite radio module is a great choice.