4940674
Exhaust Gas Recirculation Module Support
Cummins®

The Exhaust Gas Recirculation Module Support Bracket, identified by Part #4940674, is a component manufactured by Cummins, a leading name in the automotive and heavy-duty truck industry. This support bracket plays a significant role in the operation of commercial trucks by providing a secure mounting solution for the Exhaust Gas Recirculation (EGR) module. Its design and functionality are integral to the efficient and reliable performance of the EGR system in heavy-duty engines ¹.

Basic Concepts of Exhaust Gas Recirculation (EGR)

Exhaust Gas Recirculation (EGR) technology is designed to reduce nitrogen oxides (NOx) emissions from diesel engines. It works by recirculating a portion of an engine’s exhaust gas back to the engine cylinders. This process lowers the combustion temperature and, consequently, the formation of NOx. The EGR system is a critical component in the engine system of heavy-duty trucks, contributing to lower emissions and better environmental compliance ².

Role of the Exhaust Gas Recirculation Module Support Bracket

The Exhaust Gas Recirculation Module Support Bracket serves the function of securing the EGR module within the engine compartment. It ensures that the EGR module remains stable and properly positioned, which is vital for the module’s operation and the overall efficiency of the EGR system. The support bracket’s role is to provide a firm foundation for the EGR module, allowing it to function as intended without the risk of displacement or damage.

Key Features of the Cummins Exhaust Gas Recirculation Module Support Bracket

The Cummins Exhaust Gas Recirculation Module Support Bracket is engineered with specific design elements and materials to ensure durability and compatibility with Cummins engines. It is constructed from high-strength materials that can withstand the harsh conditions of the engine compartment. The bracket is designed for ease of installation, with precise fitting to ensure a secure attachment to the engine and the EGR module.

Benefits of Using the Exhaust Gas Recirculation Module Support Bracket

The use of the Exhaust Gas Recirculation Module Support Bracket contributes to the overall efficiency and reliability of the EGR system. By providing a stable platform for the EGR module, it helps maintain the system’s performance, which can lead to improvements in fuel economy and reductions in emissions. The bracket’s robust design ensures longevity and reduces the need for frequent replacements or repairs.

Installation and Integration

Installing the Exhaust Gas Recirculation Module Support Bracket involves securing it to the engine and then attaching the EGR module to the bracket. The process requires standard tools and should be performed with attention to the manufacturer’s guidelines to ensure proper fit and function. The bracket interfaces with other components in the EGR system, such as the EGR valve and cooler, to form a cohesive unit that operates within the engine’s emission control strategy.

Maintenance and Troubleshooting

Regular maintenance of the Exhaust Gas Recirculation Module Support Bracket and the EGR system is important to ensure continued performance and compliance with emission standards. This includes checking for signs of wear or damage to the bracket and ensuring that the EGR module is securely mounted. Common issues may include loose connections or corrosion, which can be addressed through routine inspections and cleaning.

Compliance and Regulations

The EGR system, supported by the Exhaust Gas Recirculation Module Support Bracket, plays a role in helping trucks meet environmental regulations and emission standards. By reducing NOx emissions, the EGR system contributes to a truck’s ability to comply with stringent environmental laws, which are increasingly important in the commercial trucking industry.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history of innovation and a commitment to sustainability, Cummins has established itself as a trusted provider of high-quality automotive and heavy-duty truck components. The company’s product range includes a variety of parts and systems designed to enhance the performance, efficiency, and environmental compliance of vehicles.

Exhaust Gas Recirculation Module Support Bracket (Part 4940674)

The Exhaust Gas Recirculation (EGR) Module Support Bracket, identified by part number 4940674, is a critical component in the EGR system of various Cummins engines. This bracket is designed to support the EGR module, ensuring it is securely positioned and properly aligned within the engine’s architecture.

Compatibility with Cummins Engines

The EGR Module Support Bracket is compatible with several Cummins engine models, including:

• ISC CM2150
• ISC8.3 CM2250
• ISL CM2150
• ISL G CM2180
• ISL9 CM2250
• QSC9 CM2250/QSL9 CM2250
• QSL9 CM2250

Grouping of Compatible Engines

The bracket is designed to fit seamlessly with the following groups of engines:

• ISC Series:

  • ISC CM2150
  • ISC8.3 CM2250

• ISL Series:

  • ISL CM2150
  • ISL G CM2180
  • ISL9 CM2250

• QSC/QSL Series:

  • QSC9 CM2250/QSL9 CM2250
  • QSL9 CM2250

This bracket ensures that the EGR module is properly mounted and functions effectively, contributing to the engine’s overall efficiency and emissions control.

Role of Part 4940674 Exhaust Gas Recirculation Module Support Bracket in Engine Systems

The Exhaust Gas Recirculation (EGR) Module Support Bracket, identified by part number 4940674, is integral to the efficient operation of the EGR system within engine systems. This bracket provides the necessary structural support for the EGR module, ensuring it remains securely in place during engine operation.

Integration with the EGR System

The EGR system is designed to reduce nitrogen oxides (NOx) emissions by recirculating a portion of the exhaust gas back into the intake manifold. The EGR Module Support Bracket plays a significant role in this process by:

• Securing the EGR Valve: The bracket holds the EGR valve in position, allowing it to open and close as needed to regulate the flow of exhaust gases.
• Maintaining Alignment: It ensures that the EGR module aligns correctly with the intake manifold and other connected components, facilitating smooth operation.
• Vibration Dampening: By providing a stable mount, the bracket helps to minimize vibrations that could otherwise affect the EGR valve’s performance.

Interaction with Other Components

The EGR Module Support Bracket interacts with several key components within the engine system:

• Intake Manifold: The bracket is typically attached to the intake manifold, ensuring that the EGR module is properly positioned to introduce recirculated exhaust gases into the air/fuel mixture.
• Exhaust System: Although not directly connected, the bracket’s role in supporting the EGR module indirectly influences the exhaust system by ensuring efficient recirculation of exhaust gases.
• EGR Cooler (if present): In systems equipped with an EGR cooler, the bracket helps maintain the cooler’s position, contributing to the effective cooling of recirculated gases before they enter the intake manifold.

Importance in Emission Control

By supporting the EGR module, part 4940674 contributes to the overall emission control strategy of the engine. Proper installation and maintenance of this bracket are essential for the EGR system to function as intended, thereby helping the engine meet emissions regulations and operate more cleanly.

Conclusion

The Exhaust Gas Recirculation Module Support Bracket, part number 4940674, is a vital component in the EGR system of Cummins engines. Its role in securing the EGR module and ensuring proper alignment and vibration dampening is crucial for the efficient operation of the EGR system. Regular maintenance and proper installation of this Cummins part are essential for the engine to meet emissions regulations and operate efficiently.