3649502
Heat Shield
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$369.95 $440.24

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

Introduction

The Cummins 3649502 Heat Shield is a component designed to manage and mitigate the effects of heat generated by heavy-duty truck engines. Its purpose is to protect nearby components and the truck’s structure from excessive heat, ensuring the longevity and safety of the vehicle’s systems.

Basic Concepts of Heat Shields

Heat shields are components used in vehicles to redirect, absorb, or dissipate heat away from sensitive parts and structures. They function by creating a barrier between heat sources and other components, reducing the risk of heat-related damage or failure. In vehicle systems, heat shields play a role in maintaining optimal operating temperatures and protecting both mechanical and electrical components from thermal stress 1.

Purpose of the Cummins 3649502 Heat Shield

This Cummins part is specifically designed to protect certain areas of a truck’s engine compartment from heat. It is strategically placed to shield components that are particularly sensitive to high temperatures, ensuring they operate within their designed thermal parameters. This placement and function contribute to the overall reliability and performance of the truck.

Key Features

The Cummins 3649502 Heat Shield is constructed from materials that offer high heat resistance and durability. Its design includes features such as precise shaping to fit snugly around the targeted areas, and it may incorporate reflective surfaces to enhance its heat-shielding capabilities. These characteristics are intended to maximize its effectiveness in heat management.

Benefits of Using the Cummins 3649502 Heat Shield

Utilizing this Cummins part offers several advantages. It contributes to improved safety by reducing the risk of heat-induced failures. Additionally, it helps in enhancing the durability of nearby components by maintaining their operational temperatures within safe limits. This can lead to potential increases in operational efficiency and reduced maintenance costs over time.

Installation Considerations

Proper installation of the Cummins 3649502 Heat Shield is important for its effectiveness. Guidelines recommend ensuring the shield is correctly positioned and securely fastened to prevent any movement that could compromise its function. Special tools may be required for installation, and it is advisable to follow manufacturer recommendations to achieve the best results.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3649502 Heat Shield involves inspecting it for signs of wear, damage, or displacement. Ensuring it remains in good condition and properly positioned will help maintain its effectiveness. Common issues may include corrosion or physical damage, which can be addressed through cleaning, repair, or replacement as necessary.

Compatibility and Application

The Cummins 3649502 Heat Shield is designed for use with specific types of trucks and engine models. Its application is tailored to fit within the engine compartments of these vehicles, providing targeted heat protection where it is most needed.

Manufacturer Information - Cummins

Cummins is a well-established manufacturer in the heavy-duty truck industry, known for its range of reliable and high-performance engine and component products. With a history of innovation and a strong reputation for quality, Cummins continues to be a preferred choice for truck operators and fleets seeking durable and efficient solutions for their vehicles.

Cummins Heat Shield Part 3649502 Compatibility

The Cummins Heat Shield part number 3649502 is designed to fit seamlessly with several of Cummins’ engine models, ensuring optimal thermal management and protection for critical components. This heat shield is engineered to provide insulation against excessive heat, thereby enhancing the longevity and performance of the engines it is used with.

QSK60 Engine Series

In the QSK60 engine series, the heat shield part 3649502 is strategically positioned to protect sensitive areas from the intense heat generated by the engine. This placement is crucial for maintaining the integrity of nearby components and ensuring the engine operates within safe temperature parameters.

CM850 Engine Series

For the CM850 engines, the heat shield part 3649502 plays a vital role in safeguarding the engine’s internal components from thermal stress. Its precise fit ensures that it effectively deflects heat away from critical parts, contributing to the overall reliability and efficiency of the engine.

MCRS Engine Series

In the MCRS engine lineup, the heat shield part 3649502 is similarly essential. It is designed to fit the unique contours of the MCRS engines, providing targeted protection where it is most needed. This ensures that the engine can withstand the rigors of heavy-duty operations without succumbing to heat-related damage.

By integrating the Cummins Heat Shield part 3649502 into these engine series, users can expect enhanced performance, reduced maintenance needs, and a more reliable engine operation. This part is a testament to Cummins’ commitment to quality and durability in their engine components.

Role of Part 3649502 Heat Shield in Engine Systems

In the intricate architecture of engine systems, the heat shield, specifically part 3649502, assumes a significant role in maintaining the operational integrity and safety of various components. Positioned strategically, this heat shield is designed to mitigate the effects of thermal radiation and convection emanating from high-temperature zones within the engine.

Interaction with Exhaust Manifold

The heat shield is often situated adjacent to the exhaust manifold, where temperatures can soar. By intercepting a substantial portion of the heat, it prevents the manifold’s excessive thermal influence on nearby components, such as wiring harnesses and fuel lines, thereby ensuring their longevity and reliable performance.

Protection of Underbody Components

Beneath the engine, the heat shield serves as a barrier for underbody components, including the fuel tank, battery, and various electrical systems. Its presence is instrumental in maintaining optimal operating temperatures for these components, which are sensitive to thermal fluctuations.

Contribution to Engine Bay Temperature Regulation

In the engine bay, the heat shield contributes to a balanced thermal environment. It helps in dissipating heat away from critical areas, such as the air intake system, which is vital for maintaining efficient combustion. This, in turn, aids in preserving the engine’s overall performance and fuel efficiency.

Safeguarding Structural Integrity

Beyond its thermal management capabilities, the heat shield also plays a part in protecting the structural integrity of the engine bay. It shields metallic components from the corrosive effects of heat, which can lead to premature wear and potential failure.

Enhancement of Safety Measures

From a safety standpoint, the heat shield is a pivotal component in preventing heat-related incidents. It reduces the risk of heat transfer to accessible areas of the vehicle, thereby enhancing the safety for both the vehicle occupants and service personnel.

Conclusion

In summary, part 3649502 heat shield is an integral component in the thermal management strategy of engine systems. Its placement and function are meticulously designed to protect a wide array of engine components from the adverse effects of high temperatures, ensuring both performance and safety are upheld.


  1. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

SPECIFICATIONS

Package Dimensions
18.0 x 19.0 x 3.0 in
Weight
0.337 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.