The ICON Winnebago Air Dam is constructed of durable, high-impact ABS plastic. This part is installed under the bumper. Original Winnebago part number: 178819.• Air Dam fits various Winnebago brands including Vista and Sunstar• Lower front side• Installed under the bumper• Constructed of durable, high-impact ABS plastic• Original Winnebago part number: 178819• Color: Black (unpainted)• Overall: 100-3/8" x 4-5/8" Constructed of durable, high-impact ABS plastic Original Winnebago part number 178819 | Icon Technologies ICON Winnebago 178819 Winnebago Air Dam, Black | ABS Plastic