04-31353-004 | Genuine Freightliner® DEF Tank Header

Description and Purpose:

This Genuine DEF Tank Header plays a critical role in Freightliner’s selective catalytic reduction (SCR) system by accurately monitoring fluid levels and temperature within the DEF tank. Part number: 04-31353-004. Brand: Freightliner. Condition: new. It ensures optimal operation of emission control systems by delivering precise data to the engine control module, supporting compliance with EPA regulations. Cross reference: 0431353004, 04 31353 004

Why Replacement is Important:

A malfunctioning DEF header can cause false level readings or disrupt DEF dosing, potentially leading to derates, fault codes, or shutdowns. Replacing it promptly prevents DEF system errors and unnecessary downtime.

Impact on Vehicle Performance:

With an operational tank header, your Freightliner maintains proper emission reduction, engine efficiency, and regulatory compliance—ensuring reliable performance across all duty cycles.

Manufacturer Information:

Freightliner® designs heavy-duty trucks engineered for fuel efficiency, uptime, and high-performance fleet operation.

Tags Category: DEF System Components, DEF Tank Header, DEF Tank Sensor, Diesel Exhaust Fluid Header, Freightliner DEF Parts, Freightliner SCR System, Selective Catalytic Reduction, DEF Fluid Level Sensor, DEF System Freightliner, DEF Sensor Header, Heavy Duty Emissions Components, DEF Tank Assembly Parts, Freightliner Emissions System, DEF Tank Module, Diesel Emissions Fluid System

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.