04-31354-003 | Genuine Freightliner® Diesel Exhaust Fluid (DEF) Header 18"

Description and Purpose:

This is a Genuine Freightliner DEF Header with Part number: 04-31354-003, listed as a new part. It includes a digital CANbus sensor, proper 5/16" suction and 3/8" return fittings, and a 6-bolt tank interface. The header ensures the DEF system works correctly, maintaining smooth flow to the SCR system and keeping emissions under control. Cross reference: 0431354003; Interchange part numbers: 04-31354-002, 0431354002

Why Replacement is Important:

A worn or damaged DEF header can disrupt DEF flow, causing warning lights or emissions problems. Installing a proper new header keeps the system stable.

Impact on Vehicle Performance:

Maintains proper SCR system operation, ensuring reliable emissions control and preventing error codes or interruptions in operation.

Manufacturer Information: 

Freightliner® parts are engineered with precision to meet the demands of commercial fleets, providing strength and reliability in every mile.

Tags & Category: Diesel Exhaust Fluid Header, DEF Tank Header, Freightliner DEF Header, DEF Header with Sensor, DEF Level Sensor, DEF Suction and Return Fittings, DEF Coolant Line Connector, Digital Canbus DEF Sensor, DEF Header Assembly, DEF Tank Module, DEF Header Freightliner 6 Bolt, DEF System Components, Emissions Control Parts, SCR System DEF Header, Genuine Freightliner DEF Header, DEF Header Replacement, Heavy Duty Truck DEF Header

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.