3467990
Heat Shield
Cummins®

Introduction

The Cummins 3467990 Heat Shield is a component designed for heavy-duty truck applications. Its purpose is to manage and mitigate the high temperatures generated within the engine compartment, ensuring the protection of surrounding components and enhancing the overall efficiency and safety of the vehicle ¹.

Basic Concepts of Heat Shields

Heat shields are components used in vehicles to redirect and dissipate heat away from sensitive parts. They function by acting as a barrier between heat sources and other components, reducing the risk of heat-related damage and improving the longevity of the vehicle’s systems ². In vehicle systems, heat shields play a role in maintaining optimal operating temperatures and protecting components from thermal stress.

Purpose of the Cummins 3467990 Heat Shield

The Cummins 3467990 Heat Shield is positioned within the truck’s engine compartment to manage heat distribution. It is designed to shield specific areas from direct heat exposure, thereby protecting adjacent components from thermal damage. This heat shield contributes to maintaining a stable operating environment within the engine compartment, which can enhance engine performance and reliability ³.

Key Features

The Cummins 3467990 Heat Shield is constructed from materials that offer high thermal resistance and durability. Its design includes features such as precise contours and secure mounting points to ensure effective heat management and long-term performance. The shield’s material composition and design elements are tailored to withstand the demanding conditions of heavy-duty truck operations ⁴.

Benefits of Using the Cummins 3467990 Heat Shield

Utilizing the Cummins 3467990 Heat Shield provides several advantages. It offers thermal protection to critical components, potentially improving engine efficiency by maintaining optimal operating temperatures. The shield’s durability ensures long-term performance, contributing to the overall safety and reliability of the truck. Additionally, by managing heat effectively, it may help in reducing the risk of heat-related failures within the engine compartment ¹.

Installation Considerations

When installing the Cummins 3467990 Heat Shield, it is important to follow guidelines to ensure proper placement and functionality. Preparatory steps may include cleaning the installation area and verifying that all mounting points are secure. The use of appropriate tools is recommended to facilitate a precise installation. Alignment considerations are crucial to ensure the shield effectively covers the targeted areas and performs its intended function ².

Maintenance and Troubleshooting

To maintain the Cummins 3467990 Heat Shield, regular inspections are recommended to check for signs of wear or damage. Common issues may include misalignment or deterioration of the shield’s material. Troubleshooting steps involve verifying the shield’s position and condition, and making adjustments or replacements as necessary to ensure continued optimal performance and longevity ³.

Performance in Various Conditions

The Cummins 3467990 Heat Shield is designed to perform under a range of operating conditions. It is capable of withstanding extreme temperatures, heavy loads, and varied terrains, providing consistent thermal protection. Its performance contributes to the reliability and efficiency of the truck, even in challenging environments ⁴.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its range of diesel engines and components. The company has a history of innovation and quality, particularly in the heavy-duty truck sector. Cummins products are recognized for their durability, performance, and contribution to the efficiency and reliability of vehicles.

Cummins Heat Shield 3467990 Compatibility

The Cummins Heat Shield part number 3467990 is designed to fit seamlessly with several engine models, ensuring optimal thermal management and protection. This heat shield is engineered to provide a barrier against excessive heat, safeguarding critical engine components from thermal damage.

QSK60 and CM850 Engines

The 3467990 heat shield is compatible with the QSK60 and CM850 engines. These engines are known for their robust performance and reliability in demanding applications. The heat shield fits precisely around the exhaust manifold and other high-temperature areas, effectively reducing heat transfer and enhancing engine longevity.

MCRS Engines

Similarly, the MCRS engines benefit from the 3467990 heat shield. This part is tailored to fit the specific thermal requirements of the MCRS series, providing a reliable solution for heat management. Its placement around the exhaust system and other heat-intensive zones ensures that the engine operates within safe temperature limits.

Installation and Application

The installation of the 3467990 heat shield is straightforward, requiring minimal tools and time. It is designed to be a direct replacement for existing heat shields, ensuring a hassle-free upgrade. The material used in the construction of this heat shield is of high quality, offering durability and resistance to the harsh conditions encountered in engine environments.

Benefits

• Enhanced Engine Life: By protecting components from excessive heat, the 3467990 heat shield helps extend the lifespan of the engine.
• Improved Performance: Maintaining optimal operating temperatures ensures that the engine performs at its best, reducing the risk of overheating and related issues.
• Easy Installation: Designed for straightforward replacement, the heat shield can be installed by technicians with minimal training.

Conclusion

The Cummins Heat Shield part number 3467990 is a critical component for maintaining the thermal integrity of the QSK60, CM850, and MCRS engines. Its precise fit and durable construction make it an essential part for ensuring the longevity and performance of these engines. By effectively managing heat distribution, this Cummins part plays a significant role in enhancing the durability and reliability of engine systems.