RV side mirror replacements are available from Pacific RV Parts, Velvac RV Mirrors and Ryder Fleet Products, as of 2015. RV mirror replacements are also available at eBay.com and FindItParts.com.
Pacific RV Parts sells Velvac RV mirrors, mirror arms, mirror heads and repair parts. Velvac RV Mirrors sells replacement mirrors for a variety of RV manufacturers including Beaver Motor Coach, Country Coach, Forest River and Holiday Rambler. Ryder Fleet Products sells heated Velvac mirror heads, as well as RV brakes, cab accessories, cooling systems and exhaust systems.
EBay has auction listings for replacement mirrors that fit class A, B and C motorhomes, and FindItParts.com sells the Velvac Deluxe driver side and passenger side mirror head assembly.