When original equipment defroster tabs separate from the window glass, resoldering the old ones back in place often doesn't work. These replacement defroster tabs make better contact, restoring defroster function without having to replace the glass. All Dorman products are engineered in the United States and backed by 100 years of automotive aftermarket experience. Our solutions are thoroughly tested and inspected, and if you experience any difficulty installing or using our parts, we have a dedicated technical support team of ASE Blue Seal certified professionals ready to help. To learn more about our quality and innovation, visit DormanProducts.com.