Dorman 904-5401 Diesel Exhaust Fluid (DEF) Filler Cap for Specific Kenworth / Peterbilt Models

This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance. With over 80,000 products backed by a team of product engineers and experts based in the United States, Dorman is the first choice of automotive professionals, backyard mechanics, and do-it-yourselfers all over North America.