Incorporated in 1980, Wallis Dually Fenders produces aftermarket replacement fiberglass rear dually fenders for the following:

ford dually fender(s) F250, F350 and F450, dodge dually fender (s) W350, D350, 2500, 3500, chevy dually fender (s) 2500, 3500, gmc dually fender (s) for 73, 1973, 74, 1974, 75, 1975, 76, 1976, 77, 1977, 78, 1978, 79, 1979, 80, 1980, 81, 1981, 82, 1982, 83, 1983, 84, 1984, 85, 1985, 86, 1986, 87, 1987, 88, 1988, 89, 1989, 90, 1990, 91, 1991, 92, 1992, 93, 1993, 94, 1994, 95, 1995, 96, 1996, 97, 1997, 98, 1998, 99, 1999, 2000, 01, 2001, 02, 2002, 03, 2003, 04, 2004, 05, 2005, 06, 2006, 07, 2007, 08, 2008, 09, 2009, 10, 2010, 11, 2011, 12, 2012, 13, 2013, 14, 2014, 15, 2015, 16, 2016 model years. Both OEM replacement and dually conversion fenders.