Best In Auto 2003-2007 Ford F-250/F-350 Driver Side (Left) Heat Turn Signal Power Electric Towing Trailer Side Mirror. 2003-2007 FORD F-250/F-350 SUPER DUTY. Reference No: 5C3Z-17683EAA, 5C3Z-17D743BAA. Function: Heated Glass || Power Adjustment || Turn Signal Light. Closed Length: 16 in. Extended Length: 19 in. Direct bolt-on factory replacement. OE style plug end connectors which means no splicing.