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This is genuine brand-new DEF Doser (Part #2888173) is a high-quality replacement designed for Cummins aftertreatment systems. It accurately meters Diesel Exhaust Fluid (DEF) into the exhaust stream to support proper SCR function, reduce NOx emissions, and maintain engine efficiency. Built to meet OEM fit, form, and function, this dosing injector installs easily and restores reliable DEF delivery.
Perfect replacement for worn, clogged, or malfunctioning DEF dosers commonly found on late-model Cummins engines.
• Direct Replacement for Cummins 2888173
• Ensures Proper DEF Atomization for optimal SCR performance
• Reduces Emissions & Prevents Fault Codes
• Restores Exhaust Aftertreatment Efficiency
• Simple Installation – Plug-and-Play Fitment
• Corrosion-Resistant Construction
cross reference part no ->
* 0444043135
* 0 444 043 135
* 2888173
* 2888173NX (ReCon)
* 2888173RX (Reman)
* 2888112
* 2880156
* 2871878
* 1819798
* 1819798PE
* 4705466
* 4706042
* A030P707
* A030P708
* A043C088 (Power Generation
Brand new
Best quality
Fast shipping
Free returns
