4394801
Outlet Catalyst Module
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$6,299.95 $7,496.94

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

The Cummins 4394801 Outlet Catalyst Module is a component designed for use in the emissions control system of heavy-duty trucks. Its purpose is to reduce harmful emissions produced by the vehicle’s engine, contributing to a cleaner environment and compliance with emissions regulations 1.

Basic Concepts of Outlet Catalyst Modules

An Outlet Catalyst Module is a device installed in the exhaust system of a vehicle. It functions by converting harmful pollutants in the exhaust gases into less harmful substances before they are released into the atmosphere. This process is vital for minimizing the environmental impact of vehicle emissions and ensuring that vehicles meet regulatory standards for air quality 2.

Purpose of the 4394801 Outlet Catalyst Module

This Cummins part plays a specific role in the aftertreatment system of a truck. It is involved in the reduction of nitrogen oxides (NOx) and particulate matter (PM) from the exhaust. By facilitating chemical reactions that neutralize these pollutants, the module helps in maintaining the engine’s efficiency while reducing its environmental footprint 3.

Key Features

The 4394801 Outlet Catalyst Module is characterized by its robust design and the use of high-quality materials that ensure durability and performance. Its construction includes a housing that protects the internal components and a catalyst substrate that promotes the necessary chemical reactions. The module is also designed to withstand the high temperatures and pressures of the exhaust system, ensuring reliable operation over time.

Benefits

The implementation of this part offers several advantages. It enhances emission control by effectively reducing the levels of harmful pollutants released by the truck. Additionally, it contributes to improved engine performance by ensuring that the aftertreatment system operates efficiently. Compliance with environmental regulations is another significant benefit, as the module helps trucks meet the stringent emissions standards set by governing bodies.

Installation Process

Installing the 4394801 Outlet Catalyst Module requires careful attention to detail. The process involves securing the module in the exhaust system, ensuring proper alignment and connection to other components. Tools such as wrenches and torque wrenches may be necessary, and it is important to follow manufacturer guidelines to ensure a correct and safe installation. Best practices include verifying all connections are tight and inspecting the module for any signs of damage prior to operation.

Maintenance and Care

To ensure the optimal performance and longevity of the 4394801 Outlet Catalyst Module, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the module as per manufacturer instructions, and following replacement guidelines when efficiency declines or the module becomes faulty. Proper care not only extends the life of the module but also ensures continued compliance with emissions regulations.

Troubleshooting Common Issues

Common issues with the 4394801 Outlet Catalyst Module may include decreased efficiency or malfunctions. These can often be identified through diagnostic tools that monitor the performance of the aftertreatment system. Troubleshooting may involve checking for obstructions, ensuring proper installation, and verifying that the module is receiving the correct inputs from the engine control system. Solutions can range from cleaning or repairing the module to replacement if necessary.

Regulatory Compliance

The 4394801 Outlet Catalyst Module assists trucks in complying with emissions regulations and standards. By reducing the levels of pollutants emitted, it helps vehicles meet the requirements set by environmental laws and industry guidelines. This not only ensures legal operation but also contributes to the overall goal of reducing the environmental impact of transportation.

Cummins Corporation

Cummins Corporation is a renowned manufacturer of diesel engines and emissions control technologies. With a history of innovation and a commitment to sustainability, Cummins has established itself as a leader in the industry. The company’s mission is to power a more prosperous world, and its reputation is built on a foundation of quality, reliability, and technological advancement in engine and emissions solutions.

Role of Part 4394801 Outlet Catalyst Module in Aftertreatment Systems

The 4394801 Outlet Catalyst Module is a component in the aftertreatment system of modern engines. Its primary function is to reduce harmful emissions by catalyzing the conversion of pollutants into less harmful substances.

When integrated into the aftertreatment device, the Outlet Catalyst Module works in conjunction with other components such as the Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), and Selective Catalytic Reduction (SCR) system.

The module is positioned downstream of the DPF, where it further processes the exhaust gases. It plays a role in the reduction of Nitrogen Oxides (NOx) by facilitating the catalytic reactions necessary for their conversion.

Additionally, the module interacts with the SCR system by ensuring that the exhaust gases are in an optimal state for the injection and reaction of the reductant, typically Diesel Exhaust Fluid (DEF). This synergy enhances the overall efficiency of the aftertreatment process, ensuring that the engine meets stringent emission regulations.

Conclusion

In summary, the 4394801 Outlet Catalyst Module is a key player in the aftertreatment system, working seamlessly with other components to achieve superior emission control.


  1. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  2. Dixon, J. (2014). Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning.

  3. Sander, F. (2007). Diesel Mechanics, First Edition. Global Media.

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SPECIFICATIONS

Package Dimensions
28.625 x 20.75 x 21.5 in
Weight
65 lb
* 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.