The SCR system components include the:
• reductant or Diesel Exhaust Fluid (DEF)
• reductant tank
• reductant dosing module
• reductant pump and heater assembly
• reductant pressure line heater assembly
• reductant tank heater and sensor assembly
• reductant purge valve
• reductant pressure sensor
• NOx sensor and module
• exhaust mixing system.
