Bosch Cummins DEF Urea Dosing Module 0444043033 2888173 / A030P707 (DEF Pump / Denoxtronic)Cummins Genuine Bosch UREA (Exhaust Fluid) Dosing Module OEM # 2888173 A030P707 2888173NX 84 03475 070 This module may also be referred to as a def pump, delivery module, urea injection pump, diesel exhaust fluid pump, dnox supply module, or denoxtronic supply module. Cut out the middle man and save money by buying direct from the Bosch distributor. Genuine Bosch DEF dosing module commonly used on Cummins ISX and other heavy duty engines. Ensures