Genuine Cummins Inlet Catalyst Module

DESCRIPTION Inlet Catalyst Module CONDITION Used BRAND Cummins PART NUMBER 4394855 PART NUMBERS 4394855; 5509699, 5509699NX, 5509699RX, 394834, 4394834RX, A064G307, A055N529, 5509698RX, 4394855RX, 4394855, 5509698 Function of this partThe aftertreatment system treats exhaust gases after they leave the engine using components such as the DOC, DPF, and SCR catalyst. It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds. Why this part mattersThese components are central to emissions compliance on modern diesel trucks. Problems in the aftertreatment system can cause frequent regens, power derates, and down-time until the fault is corrected. About the brandCummins engine parts are trusted for reliable power in a variety of heavy-duty truck and equipment applications. Fitment & usage Used OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment. Note: Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.