View 4 Photos View 0 Videos Cummins DEF Pump for a Cummins ALL Price Drop $595.24 USD NEW OEM CUMMINS ISB/QSB DOSER DEF PUMP, 5506956, 4388105, 2115624, 2208766 Quantity46ConditionNewEngine ModelCUMMINS ISBFits To Make(s)CUMMINSFits To Model(s)ALLStock NumberCMM 5506956 MLS Number14127061CategoryDiesel Exhaust Fluid (DEF) Pumps Last Updated4/2/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info