Here is a new mount to fit both the Western Suburbanite and the Fisher homesteader plows. This comes with the mount and hardware. This one bolts to the 2000-2006 Toyota Tundra Limited SR5. The mount # is 2303 If you need the receivers that go between the truck mount and the plow they are listed here.
2303 Toyota Tundra 00-06 install Instructions

2303 Toyota Tundra 00-06 parts List

This fits the trucks listed below

2006, TOYOTA, TUNDRA
2006, TOYOTA, TUNDRA LIMITED
2006, TOYOTA, TUNDRA SR5

2005, TOYOTA, TUNDRA
2005, TOYOTA, TUNDRA LIMITED
2005, TOYOTA, TUNDRA SR5

2004, TOYOTA, TUNDRA
2004, TOYOTA, TUNDRA LIMITED
2004, TOYOTA, TUNDRA SR5

2003, TOYOTA, TUNDRA

2002, TOYOTA, TUNDRA

2001, TOYOTA, TUNDRA

2000, TOYOTA, TUNDRA