5268703
after treatment Device
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$21,999.95 $26,179.94

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

Introduction

The Cummins 5268703 After Treatment Device is engineered to enhance the environmental performance of commercial trucks by reducing emissions and ensuring compliance with stringent environmental regulations. This device is integral to the operation of modern heavy-duty trucks, contributing to both engine efficiency and environmental compliance 1.

Basic Concepts of After Treatment Devices

After treatment devices are systems installed in the exhaust pathways of vehicles to reduce the emission of pollutants. These devices work by filtering out harmful substances from the exhaust gases before they are released into the atmosphere. In heavy-duty trucks, after treatment devices are essential for meeting emissions standards and minimizing the environmental impact of vehicle operations 2.

Purpose of the Cummins 5268703 After Treatment Device

The Cummins 5268703 After Treatment Device is specifically designed to reduce emissions from commercial trucks. It ensures that the trucks comply with environmental regulations by significantly lowering the levels of nitrogen oxides (NOx) and particulate matter (PM) emitted. Additionally, this device contributes to improved engine performance and fuel efficiency 3.

Key Features

The Cummins 5268703 After Treatment Device incorporates several key features that enhance its effectiveness. These include a robust design that withstands the harsh conditions of commercial truck operations, the use of high-quality materials to ensure durability, and advanced technological components that optimize emissions reduction. The device is engineered to be compatible with various truck models, ensuring widespread applicability.

Benefits

The advantages of the Cummins 5268703 After Treatment Device include improved fuel efficiency, which can lead to cost savings for fleet operators. It also reduces maintenance costs by integrating seamlessly with the truck’s exhaust system. Furthermore, the device contributes to extended engine life by maintaining optimal operating conditions and reducing the strain on the engine.

Operation and Functionality

The Cummins 5268703 After Treatment Device operates through a combination of chemical and physical processes to reduce emissions. It utilizes selective catalytic reduction (SCR) technology, where a urea-based solution is injected into the exhaust stream. This solution reacts with the NOx in the presence of a catalyst, converting it into harmless nitrogen and water vapor. The device also includes particulate filters that trap PM, further purifying the exhaust.

Integration with Other Systems

The Cummins 5268703 After Treatment Device is designed to work in conjunction with other components of the truck’s exhaust and engine management systems. It communicates with the engine control unit (ECU) to optimize the injection of the urea solution and monitor the efficiency of the after treatment process. This integration ensures that the device operates effectively within the overall system.

Troubleshooting and Maintenance

Common issues with the Cummins 5268703 After Treatment Device may include clogging of the particulate filter or malfunctions in the urea injection system. Diagnostic procedures involve checking the device for error codes and performing regular inspections. Maintenance practices include cleaning or replacing the particulate filter and ensuring that the urea solution is properly maintained. These practices help to ensure the device operates at peak efficiency.

Environmental Impact

The use of the Cummins 5268703 After Treatment Device results in significant environmental benefits. By reducing harmful emissions, it helps to improve air quality and comply with regulatory standards. The device plays a role in minimizing the environmental footprint of commercial trucks, contributing to sustainable transportation practices.

Technological Advancements

The Cummins 5268703 After Treatment Device incorporates several technological innovations that enhance its efficiency and reliability. These include advanced catalyst materials that improve the conversion of NOx, sophisticated monitoring systems that ensure optimal performance, and durable construction that withstands the rigors of commercial use.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to sustainability, Cummins plays a significant role in developing advanced after treatment solutions for the automotive industry. The company’s expertise in engine technology and environmental compliance is evident in the design and performance of the 5268703 After Treatment Device.

Role of Part 5268703 Aftertreatment Device in Engine Systems

The Cummins part 5268703 is integral to the functionality of the aftertreatment system in modern engine setups. This device works in concert with several key components to ensure the engine operates efficiently and meets environmental standards.

Integration with the Aftertreatment System

The aftertreatment system is designed to reduce harmful emissions from the engine. Part 5268703 plays a significant role in this system by processing exhaust gases after they leave the engine. It interfaces directly with the diesel particulate filter (DPF), selectively catalytic reduction (SCR) system, and the diesel oxidation catalyst (DOC).

Interaction with the Device

Within the aftertreatment system, the device—part 5268703—facilitates the reduction of nitrogen oxides (NOx) and particulate matter. It does this by enhancing the efficiency of the SCR system, where it helps in the injection and mixing of urea (DEF) with the exhaust gases. This process converts NOx into harmless nitrogen and water vapor.

Contribution to Aftertreatment Processes

The device also supports the regeneration process of the DPF. During regeneration, accumulated soot in the DPF is burned off. Part 5268703 assists in maintaining optimal temperatures and conditions for effective regeneration, ensuring the DPF operates within its designed parameters.

Additionally, the device monitors and controls the flow of exhaust gases through the DOC. This catalyst oxidizes carbon monoxide (CO) and hydrocarbons (HC) into carbon dioxide (CO2) and water (H2O), further cleaning the exhaust before it is released into the atmosphere.

Conclusion

In summary, the Cummins part 5268703 is a versatile after treatment Device that fits into the exhaust systems of the ISL9, CM2150, and SN engines, providing essential emission control functionality. It is a vital component that enhances the performance and efficiency of the aftertreatment system, ensuring the engine complies with stringent emission regulations while maintaining optimal operation.


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

  2. Smil, V. (2010). The History and Impact of Diesel Engines and Gas Turbines. The MIT Press.

  3. Cummins Inc. (n.d.). Fault Code Troubleshooting Manual. Bulletin Number 4383696.

* 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.