4387658 | Genuine Cummins® Diesel Exhaust Fluid Pump 2.2 24V, 3 Outlet Engine The reactor allows DEF to

The reactor allows DEF to mix evenly with exhaust gases before reaching the SCR catalyst

Air leaks (hissing sound) Cracked housing

Pennsylvania

P0093 – Large fuel leak detected

K3500 CREW CAB SHORT WHEELBASE

4387658 | Genuine Cummins® Diesel Exhaust Fluid Pump 2.2 24V, 3 Outlet Engine The reactor allows DEF toDescription: A Diesel Exhaust Fluid Pump 4387658 is a component of a diesel engines Selective Catalytic Reduction (SCR) system, which is used to reduce nitrogen oxide (NOx) emissions from the exhaust. Its sometimes also called a urea dosing module because it handles Diesel Exhaust Fluid (DEF), which is a urea solution. Denoxtronic 2. 2 AdBlue Doser Fluid Supply Module 24V, 3 Outlet For Cummins Engines EPA10 13 15 liter ISX QSX Part Number: 4387658