3975784
Heat Shield
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$88.95 $105.85

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 3975784 Heat Shield is a component designed to manage and mitigate the effects of heat in commercial trucks. Its role is to protect various parts of the vehicle from excessive temperatures, which can arise from the operation of the engine and exhaust system. This part is significant in maintaining the integrity and performance of the truck’s components, ensuring they function within their designed parameters 1.

Basic Concepts of Heat Shields

Heat shields are components used in vehicles to redirect, reflect, or absorb heat generated by the engine and exhaust system. They play a role in safeguarding nearby components from thermal damage, which can lead to performance issues or failures. By managing heat distribution, these shields contribute to the overall efficiency and safety of the vehicle 2.

Purpose of the Cummins 3975784 Heat Shield

This Cummins part is specifically designed to protect certain components in a truck’s engine and exhaust system from the high temperatures generated during operation. It is used in environments where the truck is subjected to heavy-duty cycles, ensuring that sensitive parts remain within their operational temperature ranges. This shield helps in maintaining the structural integrity and performance of these components over time 3.

Key Features

The Cummins 3975784 Heat Shield is characterized by its robust design and material selection, which contribute to its effectiveness. It is constructed from materials that offer high heat resistance and durability, ensuring it can withstand the demanding conditions of commercial truck operations. Its design allows for efficient heat management, reducing the risk of thermal damage to adjacent components.

Benefits of Using the Cummins 3975784 Heat Shield

Utilizing this part offers several advantages. It contributes to improved safety by reducing the risk of heat-related damage to the truck’s components. Additionally, it enhances the longevity of these parts by protecting them from excessive heat, which can lead to premature wear. There may also be potential fuel efficiency gains due to reduced thermal stress on engine parts, as they operate more efficiently within their designed temperature ranges.

Installation Considerations

Proper installation of this Cummins part is important for ensuring its optimal performance and longevity. It is recommended to follow the manufacturer’s guidelines for installation, which may include specific tools or techniques to secure the shield in place. Correct installation ensures that the shield effectively performs its intended function without compromising the vehicle’s safety or performance.

Troubleshooting and Maintenance

Regular inspection of the Cummins 3975784 Heat Shield can help identify common issues such as damage or improper installation. Maintenance practices, including cleaning and checking for secure attachment, can prolong the life of the heat shield. Addressing any issues promptly ensures the continued protection of the truck’s components from excessive heat.

Regulatory and Safety Standards

The Cummins 3975784 Heat Shield complies with relevant regulatory standards and safety certifications. These standards ensure that the heat shield meets the necessary requirements for use in commercial vehicles, providing assurance of its safety and performance in accordance with industry regulations.

Environmental Impact

The production, use, and disposal of the Cummins 3975784 Heat Shield are considered in terms of their environmental impact. Efforts are made to minimize this impact through sustainable manufacturing practices and by providing recycling or disposal recommendations for the end-of-life phase of the product.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial, industrial, and automotive markets worldwide. The company is committed to advancing technology for a more sustainable future, offering a wide range of products that meet the needs of its customers across various industries.

Role of Part 3975784 Heat Shield in Engine Systems

The part 3975784 Heat Shield is an integral component in the thermal management of engine systems. It is specifically designed to mitigate the effects of high temperatures generated by various engine components.

Integration with Manifold

When installed, the heat shield is positioned adjacent to the manifold. The manifold, responsible for distributing the air-fuel mixture to the engine’s cylinders, can reach extremely high temperatures during operation. The heat shield helps in reducing the heat transfer from the manifold to surrounding components, thereby protecting them from thermal damage and ensuring optimal performance.

Interaction with Water Systems

In engines where water cooling systems are employed, the heat shield plays a supportive role. It aids in maintaining the efficiency of the cooling system by preventing excessive heat from the manifold and other hot components from affecting the water passages. This ensures that the coolant remains at an effective temperature, enhancing the engine’s overall cooling efficiency.

Heat Shield Insert Mounting

The mounting of the heat shield insert is a key aspect of its functionality. Properly mounted, the heat shield insert creates a barrier between high-temperature zones and more sensitive engine parts. This mounting process is designed to be secure yet flexible enough to accommodate the thermal expansion and contraction that occur during engine operation.

Conclusion

In summary, the Cummins 3975784 Heat Shield is a vital component in the thermal management strategy of engine systems, working in conjunction with the manifold and water cooling systems to maintain engine integrity and performance. Its robust design, material selection, and strategic placement contribute to the overall efficiency, safety, and longevity of commercial truck engines.


  1. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

  2. Halderman, J. D. (2012). Automotive Principles: Diagnosis and Service. Prentice Hall.

  3. Drozdziel, P. (2023). The Vehicle Diesel Engine Startup Process Operational and Environmental Aspects. Routledge.

SPECIFICATIONS

Package Dimensions
21.0 x 18.7 x 7.0 in
Weight
0.276 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.