Description: Aftertreatment Doser Control Unit
Condition: New
Brand: International®  
Part Number: 1890993C1
Type: Control Unit

Functions: 
Precise Def dosing: The DCU meticulously controls the amount of DEF injected into the exhaust stream. It relies on various engine parameters and sensor inputs to optimize the dosing process.   
Fault detection and diagnosis: The DCU is equipped with advanced diagnostic capabilities. It can detect and report any malfunctions or issues within the aftertreatment system, aiding in timely troubleshooting and repairs.
Sensor monitoring: The DCU continuously monitors a range of sensors, including exhaust temperature, pressure, and flow rate. By analyzing this data, it can adjust the DEF dosing accordingly to maintain optimal performance.   
Communication with engine control module (ECM): The DCU communicates seamlessly with the ECM to coordinate engine operation and aftertreatment system functions. This ensures synchronized and efficient operation of the entire system.

This part, the Aftertreatment Doser Control Unit (DCU), is essential for the optimal functioning of the exhaust aftertreatment system in vehicles. It precisely controls the dosage of DEF (urea solution), which reduces harmful emissions, ensures the efficient operation of the aftertreatment system and reduces the risk of malfunctions. By monitoring sensors and detecting errors, the DCU ensures proper engine operation and helps to detect and repair potential problems in time.

Navistar® is a proud manufacturer of some of the widely used trucks, yellow school buses, defense vehicles, and engines. It was recognized as the first truck and engine manufacturer to be certified by the EPA for meeting 2007 standards for hydrocarbons and particulate matter. But the company's global portfolio is not limited to its line of vehicles and engines—it also carries high-quality replacement parts and accessories to keep all these working in top condition at all times. From hose fuel, bolts, plugs, rivets, and bearings to flashers, incandescent lamps, camshaft brake, gasket injector, and spring door locks, Navistar has also got you covered.

Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website