Weber 007161640822218 Genuine Original Equipment Manufacturer (OEM) Part for Weber & Kenmore, Platinum Crossover tube for SOME Genesis Gold and Platinum series grills. Please visit Weber's website to ensure you order the correct parts for your specific grill. It is best to look up by serial #. The following link will also help you find the alpha numeric number. http://help.weber.com/schematics/#serial-number