5506956RXCUM
Doser Pump
Kenworth®

The Doser Pump in Kenworth trucks plays a vital role in the exhaust aftertreatment system by precisely delivering Diesel Exhaust Fluid (DEF) to reduce emissions. Engineered for durability and accuracy, this OEM component ensures consistent DEF dosing, which is essential for maintaining compliance with environmental standards and optimal engine performance. Its robust construction allows it to withstand demanding operating conditions, providing reliable service over time. Proper functioning of the Doser Pump helps prevent system errors, maintain fuel efficiency, and prolong the lifespan of your emissions control components. When you need genuine OEM parts for your Kenworth vehicle, Source One Parts Center is your premier source. We offer a wide range of authentic parts, expert advice, and fast shipping to keep your truck running clean and compliant.