Bosch John Deere DEF Urea Dosing Module 0444043045 RE560468 (DEF Pump / Denoxtronic)DEERE Genuine Bosch UREA (Exhaust Fluid) Dosing Module OEM # RE560468 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 for John Deere agricultural and construction equipment. Restores proper DEF delivery to maintain