2888174 Genuine Cummins DEF Doser Injector

Product Overview

The 2888174 is a genuine Cummins DEF doser injector designed for compatible diesel exhaust fluid system applications. It meters and injects DEF into the exhaust aftertreatment system to support Selective Catalytic Reduction (SCR) operation and maintain proper emissions system control during engine operation.

Product Features

The 2888174 DEF doser injector is manufactured to Cummins specifications for controlled diesel exhaust fluid injection.

• Delivers DEF into the exhaust system during dosing operation cycles.
• Regulates diesel exhaust fluid flow for SCR system requirements.
• Supports accurate fluid injection within compatible aftertreatment systems.
• Integrates with factory DEF supply and electrical connections.
• Maintains controlled DEF distribution during emissions system operation.
• Assists proper SCR performance through precise dosing functions.

Technical Specifications

Installation Notes

The 2888174 should be installed after inspecting the DEF injector mounting surface, electrical connector, DEF supply connection, and exhaust dosing port for contamination, leaks, or damaged sealing areas. After installation, verify secure connector engagement, confirm proper DEF flow, and complete the required aftertreatment system checks using compatible diagnostic equipment.

Always verify the part number, engine application, DEF system configuration, and aftertreatment system requirements before installation.