2888112 | Genuine Cummins® Def Doser Injector

Description and Purpose:

OEM DEF Doser Injector ensures precise diesel exhaust fluid delivery into the SCR system, supporting clean emissions for commercial diesel trucks. It’s designed for durability in high-temperature exhaust environments. Brand: Cummins. Part Number: 2888174. Condition: New. This truck component is essential for maintaining EPA-compliant NOx reduction through controlled urea injection. Cross reference: 2888112NX, 2888112RX

Why Replacement is Important:

When the injector becomes clogged or fails, DEF dosing is interrupted, leading to emissions system faults and performance issues. Timely replacement prevents engine derate conditions and costly downtime. Cross reference: 2888174NX, 2888174RX.

Impact on Vehicle Performance:

A functional injector helps preserve engine efficiency and ensures stable DEF injection, directly affecting emissions compliance and fuel use in heavy-duty trucks.

Manufacturer Information:

Cummins® builds engines that outperform and outlast, trusted by professionals in trucking, mining, marine, and beyond.

Tags & Category: DEF Injector, SCR Injector, DEF Doser, Urea Injector, DEF System, Emission Control, Diesel Emission, Doser Valve, DEF (SCR) Injectors

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.