8-98231-898-2 | Genuine Isuzu® Def Doser Injector

Description and Purpose

This OEM DEF Doser Injector Part Number: 8-98231-898-2 is designed for use in Isuzu commercial vehicles running Cummins engines. Condition: New. Brand: Isuzu. It delivers precise amounts of diesel exhaust fluid (DEF) into the SCR system, enabling chemical reactions that reduce harmful NOx emissions and support compliance with emission standards. Cross reference: 8982318982

Why Replacement is Important

DEF injectors can become clogged or electronically fail, triggering diagnostic codes and reducing SCR efficiency. Timely replacement is necessary to restore DEF dosing accuracy, avoid performance loss, and prevent costly repairs caused by untreated exhaust gases.

Impact on Vehicle Performance

An operational DEF doser ensures steady emission control, preventing power derate, improving fuel economy, and supporting smoother engine performance. Maintaining injector function is critical for long-term reliability and regulatory compliance.

Manufacturer Information:

Isuzu® is a global leader in commercial vehicles and diesel engines, known for durability, efficiency, and long-term reliability.

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.