A lot of c-class MHs use
Velvac Mirrors on the Ford based units. I don't know if CW is a retailer for them or not.
The mirrors are not made by Ford(GM) or Gulfstream,Winnebago etc.
In addition to the chassis, you will also need the width of the MH box to get the proper mirrors, arm length.
Beverley and Ken
2006 Winnebago Outlook 29B E-450.
2012 Honda CR-V AWD
Blue Ox Aventa LX tow bar and Brake Buddy Vantage.