5506957 | Genuine Cummins® DEF Doser Pump for ISX and QSX engines

Description and Purpose:

This Genuine Cummins DEF Doser Pump comes in new condition and is listed with Part number: 5506957. Designed for ISX and QSX engines with EPA17 compliance, it provides precise Diesel Exhaust Fluid (DEF) dosing for optimal SCR system performance. Built to handle the demands of heavy-duty diesel engines, this pump ensures consistent fluid delivery, helping maintain emission standards and smooth engine operation. Cross reference: 5506957RX, 5506957NX

Why Replacement is Important:

A malfunctioning DEF doser pump can lead to incorrect fluid delivery, causing emissions system warnings or engine derates. Installing a new, genuine pump preserves system accuracy and prevents costly downtime.

Impact on Vehicle Performance:

Accurate DEF dosing is crucial for SCR system efficiency, preventing engine power restrictions and ensuring compliance with environmental regulations while supporting reliable engine performance.

Manufacturer Information:

Cummins® is a world-leading manufacturer of diesel and alternative fuel engines, known for reliability, efficiency, and long-lasting performance.

Tags & Category: DEF Doser Pump, Cummins, DEF Doser Pump, ISX, QSX, EPA17, Diesel Exhaust Fluid Pump, SCR System, Aftertreatment Component, Emissions Control, OEM Cummins Part, Heavy Duty Engine

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.