5506956RX | Genuine Cummins® Def Doser Pump for ISB, QSB engines

Description and Purpose:

This Genuine Cummins DEF Doser Pump, new with Part number: 5506956RX, is engineered for ISB and QSB engines under EPA17 regulations. It ensures precise dosing of Diesel Exhaust Fluid, maintaining optimal SCR system performance and supporting reliable emissions control. Built to endure heavy-duty duty cycles, this pump protects the aftertreatment system from failures and helps keep engine operations within environmental compliance standards. Cross reference: 5506956, 5506956RXCUM

Why Replacement is Important:

A malfunctioning DEF pump can cause inaccurate dosing, trigger system warnings, or even lead to engine derates. Replacing it ensures the SCR system operates efficiently and prevents costly downtime.

Impact on Vehicle Performance:

Accurate DEF delivery is crucial for maintaining engine power, emissions compliance, and smooth SCR system operation in heavy-duty trucks.

Manufacturer Information:

Cummins® stands at the forefront of engine innovation, offering durable and efficient power solutions for commercial, industrial, and off-highway applications.

Tags & Category: Cummins, def doser valve, DEF Doser Pump, Cummins, ISB, QSB, ISB/QSB engine doser pump, Cummins EPA17 emissions system, SCR aftertreatment component, Diesel Exhaust Fluid dosing pump, EPA17 compliant DEF system, heavy duty Cummins ISB/QSB engines.

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The -warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.