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04-31354-004 Genuine Freightliner DEF Header Assembly

04-31354-004 Genuine Freightliner DEF Header Assembly

P/N: 04-31354-004 Manufactured by: Freightliner
$1,459.00 - $1,459.00
$1,459.00
$1,459.00 - $1,459.00
$1,459.00
1 in Stock
Condition: New
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2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 04-31354-004 is a genuine Freightliner DEF Header designed for factory diesel exhaust fluid system operation. This DEF header supports fluid sensing and system communication within the DEF tank assembly to maintain proper emissions system functionality. 

Product Features

The 04-31354-004 DEF Header is manufactured to Freightliner factory specifications for diesel exhaust fluid system operation.

  • Integrates with the factory DEF tank assembly.
  • Supports DEF system sensing and communication functions.
  • Designed to match the original equipment tank interface.
  • Manufactured to Freightliner OEM specifications for factory compatibility.
  • Built to integrate with the original emissions control system.

Technical Specifications

Condition New
Part Number 04-31354-004
Brand Freightliner
Part Type DEF Header


Installation Notes

The 04-31354-004 DEF Header should be installed following Freightliner OEM DEF system service procedures. Inspect the tank opening, sealing surfaces, and electrical connections before completing installation.

Verify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.