4394594
Decomposition Reactor
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 Decomposition Reactor 4394594, manufactured by Cummins, is a pivotal component in the emissions control system of commercial trucks. It is designed to enhance emissions control, ensuring compliance with environmental regulations while maintaining vehicle performance.

Basic Concepts and Functionality

The Decomposition Reactor is integral to the emissions control system, facilitating chemical reactions that convert harmful pollutants into less harmful substances before they are released into the atmosphere 1. This process is crucial for reducing the environmental impact of commercial trucks.

Purpose of the Decomposition Reactor 4394594

This Cummins part is engineered to decompose certain emissions components, aiding in compliance with environmental regulations 2. It plays a vital role in the overall emissions control strategy of the vehicle, ensuring operation within legal limits and minimizing environmental footprint.

Key Features

The Decomposition Reactor 4394594 incorporates advanced materials resistant to high temperatures and corrosive environments 3. Technological advancements within the reactor improve its efficiency and durability, ensuring long-term performance and reliability.

Benefits

Utilizing this part offers several advantages, including improved emissions performance, potential cost savings over time, and enhanced engine efficiency 4.

Installation and Integration

Proper integration of the Decomposition Reactor 4394594 ensures it functions effectively within the emissions control system, contributing to the truck’s overall performance and compliance with environmental standards 5.

Troubleshooting and Maintenance

Common issues may include reduced efficiency or blockages. Regular maintenance, including inspections and cleaning, is recommended to ensure optimal performance and longevity 6.

Performance Metrics

Key performance indicators include emissions reduction rates, efficiency improvements, and durability, reflecting the reactor’s contribution to the truck’s overall performance and longevity 7.

Environmental Impact

The Decomposition Reactor 4394594 significantly reduces harmful emissions from commercial trucks, contributing to cleaner air quality and demonstrating the positive impact of advanced emissions control technologies on the environment 8.

Cummins Overview

Cummins is renowned for its innovation and quality in automotive components, particularly in emissions control solutions for commercial trucks 9.

Role of the Decomposition Reactor 4394594 in Engine Systems

This part is integral to the aftertreatment system of modern engine configurations. It facilitates the breakdown of harmful emissions produced during the combustion process 10.

Exhaust gases pass through the turbocharger, where residual energy is harnessed to increase airflow into the engine, enhancing performance and efficiency. Post-turbocharging, the gases enter the aftertreatment device, where the Decomposition Reactor interacts with components such as the Diesel Particulate Filter (DPF) and the Selective Catalytic Reduction (SCR) system 11.

The reactor aids in the conversion of nitrogen oxides (NOx) and other pollutants into less harmful substances, essential for meeting stringent emission regulations and ensuring the engine operates within environmental standards 12.

The reactor’s efficiency is augmented by the Exhaust Gas Recirculation (EGR) system, which recirculates a portion of the exhaust gas back into the intake stream. This reduces the overall temperature of the combustion chamber, thereby lowering NOx formation. The Decomposition Reactor works in concert with the EGR system to ensure that the recirculated gases are treated effectively before being reintroduced into the engine 13.

Conclusion

The Decomposition Reactor 4394594 is a key component in the aftertreatment process, working alongside the turbocharger, DPF, SCR system, and EGR to ensure that engine emissions are minimized and environmental impact is reduced. Its role in enhancing emissions control and ensuring compliance with environmental regulations underscores its importance in modern engine systems.


  1. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011). Automotive Systems Principles and Practice. CRC Press.

  2. Department of Energy. (2015). Department of Energy Fundamentals Handbook. Department of Energy.

  3. Reif, K. Ed. (2014). Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg.

  4. Cummins. (n.d.). Operation and Maintenance Manual. Bulletin Number 4388786.

  5. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011).

  6. Department of Energy. (2015).

  7. Reif, K. Ed. (2014).

  8. Cummins. (n.d.).

  9. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011).

  10. Department of Energy. (2015).

  11. Reif, K. Ed. (2014).

  12. Cummins. (n.d.).

  13. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011).

SPECIFICATIONS

Notes
CES P/N: A054W245.
Package Dimensions
19.375 x 19.375 x 14.0 in
Weight
34.7 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.