5510446
Diesel Exhaust Fluid Header
Cummins®

DISCONTINUED

Cummins®

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Diesel Exhaust Fluid Header 5510446, manufactured by Cummins, is a component designed for use in commercial trucks. It plays a significant role in the operation of these vehicles by facilitating the reduction of harmful emissions. Cummins, a well-established name in the diesel engine industry, ensures that this part meets high standards of quality and performance, contributing to the overall efficiency and environmental compliance of commercial trucks.

Basic Concepts of Diesel Exhaust Fluid Headers

A Diesel Exhaust Fluid Header is integral to the Selective Catalytic Reduction (SCR) system found in diesel engines. Its primary function is to deliver Diesel Exhaust Fluid (DEF), also known as AdBlue, into the exhaust stream. This fluid reacts with nitrogen oxides (NOx) in the presence of a catalyst, converting them into nitrogen and water vapor, thereby reducing emissions. The header ensures that DEF is evenly distributed and effectively utilized within the SCR system 1.

Purpose of the 5510446 Diesel Exhaust Fluid Header

The 5510446 Diesel Exhaust Fluid Header is designed to enhance the operation of the SCR system in trucks. By precisely dosing DEF into the exhaust stream, it aids in the chemical reaction that reduces NOx emissions. This component is crucial for trucks to meet stringent emissions standards, ensuring that they operate within legal and environmental guidelines. Its role in the SCR system directly contributes to lower emissions and improved air quality 2.

Key Features

The 5510446 Diesel Exhaust Fluid Header boasts several key features that enhance its performance and durability. It is constructed from high-quality materials resistant to corrosion and high temperatures, ensuring longevity in demanding environments. The design includes precise dosing mechanisms to ensure accurate DEF delivery, and it is engineered to withstand the rigors of commercial truck operation. Additionally, its compact design allows for easy integration into existing exhaust systems.

Benefits

Utilizing the 5510446 Diesel Exhaust Fluid Header offers several benefits. It significantly improves emissions control by ensuring efficient DEF delivery and utilization within the SCR system. This leads to enhanced engine performance, as reduced emissions can contribute to smoother operation and potentially lower maintenance costs. Furthermore, compliance with environmental regulations is facilitated, helping truck operators avoid fines and maintain their fleet’s operational status 3.

Installation Process

Installing the 5510446 Diesel Exhaust Fluid Header requires careful attention to ensure proper integration into the truck’s exhaust system. The process involves disconnecting the existing DEF dosing system, if present, and connecting the new header in its place. It is important to follow the manufacturer’s guidelines for torque specifications and connection points to ensure a secure and effective installation. Proper alignment and sealing are crucial to prevent leaks and ensure optimal performance.

Maintenance Tips

To ensure the 5510446 Diesel Exhaust Fluid Header operates at peak efficiency, regular maintenance is recommended. This includes inspecting the header for signs of wear or damage, cleaning any buildup that may obstruct DEF flow, and replacing worn components as necessary. Monitoring DEF levels and quality is also important, as contaminated or degraded fluid can affect performance. Adhering to these maintenance practices will help prolong the life of the header and maintain its effectiveness.

Troubleshooting Common Issues

Common issues with the 5510446 Diesel Exhaust Fluid Header may include DEF dosing inaccuracies, leaks, or blockages. Troubleshooting these problems involves checking for proper connections, inspecting for damage or corrosion, and ensuring that the DEF quality is within specifications. If dosing inaccuracies are detected, recalibrating the system or replacing faulty components may be necessary. Addressing these issues promptly can help maintain the header’s performance and ensure continued compliance with emissions standards.

Cummins Overview

Cummins is a leading manufacturer in the diesel engine industry, known for its commitment to innovation, quality, and performance. With a rich history of producing reliable and efficient diesel engine components, Cummins has established a strong reputation among commercial truck operators and fleets. The company’s dedication to advancing technology and meeting environmental challenges is evident in its product offerings, including the 5510446 Diesel Exhaust Fluid Header.

Cummins Diesel Exhaust Fluid Header 5510446 Compatibility

The Cummins Diesel Exhaust Fluid Header, part number 5510446, is designed to integrate seamlessly with a variety of Cummins engines. This part plays a crucial role in the Selective Catalytic Reduction (SCR) system, which helps reduce nitrogen oxide (NOx) emissions in diesel engines. Here is a breakdown of its compatibility with the specified engines:

F3.8 CM2350 Engines

  • F3.8 CM2350 F128C
  • QSF3.8 CM2350 F107

The F3.8 CM2350 engines, including the F128C and F107 models, are designed for applications that require a balance of power and efficiency. The Diesel Exhaust Fluid Header 5510446 is engineered to fit these engines, ensuring optimal performance of the SCR system. This part is critical for maintaining the engine’s compliance with emissions regulations.

QSB6.7 CM2350 Engines

  • QSB6.7 CM2350 B105

The QSB6.7 CM2350 engine, specifically the B105 model, is known for its robust performance and reliability. The Diesel Exhaust Fluid Header 5510446 is compatible with this engine, ensuring that the SCR system functions correctly to reduce NOx emissions. This compatibility is essential for maintaining the engine’s efficiency and environmental compliance.

QSL9 CM2350 Engines

  • QSL9 CM2350 L102

The QSL9 CM2350 engine, including the L102 model, is designed for heavy-duty applications. The Diesel Exhaust Fluid Header 5510446 is engineered to fit these engines, ensuring that the SCR system operates effectively. This part is crucial for the engine’s performance and adherence to emissions standards.

QSX15 CM2350 Engines

  • QSX15 CM2350 X105

The QSX15 CM2350 engine, specifically the X105 model, is built for high-power applications. The Diesel Exhaust Fluid Header 5510446 is compatible with this engine, ensuring that the SCR system performs optimally. This compatibility is vital for maintaining the engine’s efficiency and environmental compliance.

By ensuring that the Diesel Exhaust Fluid Header 5510446 fits these Cummins engines, operators can maintain the performance and compliance of their engines with minimal downtime and maintenance.

Conclusion

The Diesel Exhaust Fluid Header 5510446 by Cummins is a vital component for commercial trucks, enhancing the efficiency and environmental compliance of diesel engines through the SCR system. Its robust design, precise dosing mechanisms, and compatibility with various Cummins engines make it a reliable choice for truck operators. Regular maintenance and prompt troubleshooting of common issues ensure the longevity and effectiveness of this Cummins part, contributing to lower emissions and improved air quality.


  1. Department of Energy Fundamentals Handbook, Department of Energy, 2015.

  2. The Dynamic Behavior of a Diesel Engine, S. A. Miedema, Z. Lu, Published by Drir S. A. Miedema, 2010.

  3. Automobile Wheel Alignment and Wheel Balancing, R Mananathan, SAE International, 2022.

SPECIFICATIONS

Notes
THIS PART INCLUDES THE HEADER AND SENSOR.
Package Dimensions
34.0 x 26.0 x 18.0 in
Weight
1.6 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.