Dorman's Auto Trans Oil Cooler Line Connectors are constructed from high-quality materials to provide a leak-free connection between transmission lines or between the radiator and the transmission. Replacement restores the radiator to proper operation. 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.