3393644
Heat Shield
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$269.95 $321.24

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 3393644 Heat Shield is a component designed to manage and mitigate heat in commercial trucks. Its purpose is to protect various parts of the truck from excessive heat generated during operation, ensuring the longevity and efficiency of the vehicle’s systems.

Basic Concepts of Heat Shields

Heat shields are components used in vehicles to redirect, reflect, or absorb heat away from sensitive parts. They function by creating a barrier between heat sources, such as exhaust systems, and other vehicle components. The importance of heat shields in vehicle systems lies in their ability to maintain optimal operating temperatures, prevent heat-related damage, and ensure the safety and reliability of the vehicle 1.

Purpose of the Cummins 3393644 Heat Shield

This Cummins part plays a specific role in protecting various components of a truck from excessive heat. It is positioned to shield parts that are particularly vulnerable to heat damage, such as wiring, fuel lines, and other critical components. By doing so, it helps maintain the integrity and functionality of these parts, contributing to the overall performance and safety of the truck.

Key Features

This part is characterized by several primary features. It is composed of materials that are resistant to high temperatures, ensuring durability and effectiveness in heat management. The design elements of the heat shield include precise shaping and positioning to maximize coverage and protection of the targeted components. Additionally, it may feature unique characteristics such as a reflective surface to enhance its heat-shielding capabilities.

Benefits of Using the Cummins 3393644 Heat Shield

The advantages provided by this part include improved component longevity, as it helps prevent heat-related wear and damage. Enhanced safety is another benefit, as it reduces the risk of heat-induced failures that could lead to accidents. Furthermore, by maintaining optimal operating temperatures, the heat shield can contribute to potential fuel efficiency gains, as the engine and other systems operate more efficiently when not subjected to excessive heat 2.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure effectiveness. Preparatory steps may include cleaning the installation area and inspecting the heat shield for any damage. Tools required for installation might include fasteners, clamps, and possibly a heat gun for shaping the shield if necessary. Careful attention to the manufacturer’s instructions will help achieve a secure and proper fit.

Maintenance and Troubleshooting

To maintain this part, regular inspections for signs of wear, corrosion, or damage are recommended. Common issues may include loosening of fasteners or deformation of the shield. Troubleshooting steps to ensure optimal performance involve re-securing any loose components, repairing or replacing damaged sections, and ensuring the shield remains in the correct position.

Compatibility and Application

This part is designed for use in specific types of trucks and engine configurations. It is important to verify compatibility with the truck’s make, model, and engine type to ensure proper fit and function. While the heat shield is engineered to meet the needs of a wide range of applications, there may be notable exceptions or limitations based on the vehicle’s specific design and heat management requirements.

Manufacturer Overview - Cummins

Cummins Inc. is a well-established company in the commercial truck industry, known for its comprehensive product range and reputation for quality and reliability. With a history of innovation and commitment to customer satisfaction, Cummins provides a variety of components and systems designed to enhance the performance, efficiency, and durability of commercial vehicles. The company’s expertise in engine and powertrain technologies underscores its position as a leader in the industry 3.

Role of Part 3393644 Heat Shield in Engine Systems

This part is an essential component in managing thermal dynamics within various engine systems. It is strategically positioned to interact with several key components, ensuring optimal performance and safety.

Interaction with Heat Shield Bracket and Mounting

The Heat Shield is affixed using a Heat Shield Bracket, which secures it in place. This mounting system allows the Heat Shield to effectively cover and protect adjacent components from excessive heat. The bracket ensures that the Heat Shield remains stable and correctly aligned, maximizing its protective capabilities.

Integration with Manifold

When installed near the Manifold, the Heat Shield plays a significant role in dissipating heat generated during combustion. By reflecting radiant heat away from the Manifold, it helps maintain the structural integrity and operational efficiency of this component. This is particularly important in high-performance engines where thermal management is key.

Relationship with Water and Water Transfer Components

In systems involving Water and Water Transfer Tubes, the Heat Shield aids in maintaining consistent temperatures. It prevents heat from escaping into areas where it could cause damage or inefficiency. For instance, in water-cooled engines, the Heat Shield ensures that the Water Transfer Tubes operate within their designed temperature range, enhancing the overall cooling efficiency.

Function with Water Transfer Tubes

The Heat Shield also works in conjunction with Water Transfer Tubes to protect other sensitive components from heat. By shielding these tubes, it ensures that the water flow remains unimpeded and that the tubes themselves do not overheat, which could lead to warping or failure.

Conclusion

In summary, the Cummins 3393644 Heat Shield is a vital component in the thermal management of engine systems, interacting with various parts to ensure they operate within safe temperature limits. Its role in protecting sensitive components from excessive heat contributes to the overall performance, safety, and longevity of commercial trucks.


  1. Boyce, M. P. (2011). Gas Turbine Engineering Handbook (4th ed.). Butterworth-Heinemann.

  2. Stone, R. (2012). Introduction to Internal Combustion Engines (4th ed.). Macmillan.

  3. Boyce, M. P. (2002). Gas Turbine Engineering Handbook (2nd ed.). Gulf Professional Publishing.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
27.4 x 7.0 x 6.75 in
Weight
2.05 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.