Dorman Heavy Duty Diesel Exhaust Fluid DEF Cap

The Dorman Heavy Duty Diesel Exhaust Fluid (DEF) Filler Cap line gives you a direct replacement for a worn, leaking or damaged DEF tank cap. Each cap is designed to match the fit and function of the original cap on the vehicles it is specified for. It is also called a DEF tank cap, diesel exhaust fluid cap or DEF filler cap.

Key Features:

• Direct replacement design: Matches the fit and function of the original cap on specified vehicles.
• Durable construction: Made from quality materials for reliable performance and long service life.
• Restores function: Replaces an original cap that has failed from wear or is leaking.
• Heavy-duty application focus: Part of the Dorman HD Solutions line for commercial and heavy-duty trucks.
• OE cross-references: Each part number in the line is engineered as an equivalent to a specific original equipment cap.

Backed by Dorman's team of product experts in the United States and more than a century of automotive experience, this DEF cap line helps keep your DEF system sealed and working properly. Select the part number that matches your application.