9 1/2" X 4 3/4" - Rear Bumper End Cap. Interchangeable left and right.
This bumper end cap fits various 2005 Winnebago models including: Mini Winnie, Itasca and possibly more.
Sierra Engineering part number: #1252.
Winnebago Industries part number: #106147-02-03A.
Please verify your measurements and and compare them to the drawing above.