Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1979 Dodge Diplomat 49 State Universal Converter - Salon - Coupe - Rear Catalytic Converter.
Period. No Hassle. GUARANTEED.
We cover round trip shipping if we make a mistake.
Check out the video below to view the Guaranteed Exact Fit process from start to finish!