International |Cummins | Paccar DEF Doser | 1831898

Restore reliable emissions control with this high-quality non-air assisted DEF doser, built to OEM standards for Cummins, International, and Paccar engines. Designed to replace failed DEF dosing units, this component plays a vital role in the SCR system—accurately delivering Diesel Exhaust Fluid (DEF) into the exhaust stream to reduce NOₓ emissions and maintain EPA compliance.

Engineered for durability and tested for performance, this DEF doser ensures proper dosing, improves engine efficiency, and helps eliminate warning lights and derate issues related to aftertreatment faults. It's a direct-fit replacement that installs easily and gets your truck or equipment back in service fast.

Backed by a 1-year warranty and fast shipping from American Radiator, this replacement DEF doser is trusted by diesel technicians and fleet managers nationwide.

Fits select Cummins, International, and Paccar applications. Order now to minimize downtime, avoid costly repairs, and stay compliant with emissions regulations.