3976030
Air Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$449.95 $535.44

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 3976030 Air Duct is a component designed for use in commercial trucks, playing a significant role in the vehicle’s air management system. Its purpose is to facilitate the efficient flow of air to the engine and other critical components, contributing to the overall performance and reliability of the truck.

Basic Concepts of Air Ducts

Air ducts are channels or pipes used to convey air from one location to another within a vehicle. In the context of trucks, these ducts are integral to the engine’s air intake system, ensuring that a sufficient and clean supply of air reaches the engine for combustion. Proper air management is vital for maintaining engine efficiency, power output, and longevity 1.

Purpose of the Cummins 3976030 Air Duct

This Cummins part is specifically engineered to enhance the air management system of commercial trucks. It directs airflow to the engine, optimizing the air-fuel mixture for combustion. This component ensures that the engine receives a consistent and adequate supply of air, which is crucial for efficient operation and performance 2.

Key Features

The 3976030 is characterized by its robust design and the use of high-quality materials, which contribute to its durability and performance. It is constructed to withstand the harsh conditions often encountered in commercial trucking, ensuring long-term reliability. The duct’s design also includes features that minimize air resistance and maximize airflow efficiency 3.

Benefits

The installation of this part offers several advantages. It contributes to improved engine performance by ensuring optimal airflow, which can lead to enhanced fuel efficiency. Additionally, by providing a consistent air supply, it helps reduce wear on engine components, potentially extending the engine’s lifespan 4.

Installation and Compatibility

Proper installation of the 3976030 is crucial for its effective operation. It should be installed according to the manufacturer’s guidelines to ensure it integrates seamlessly with the truck’s air management system. Compatibility with specific truck models and engine types is also an important consideration to ensure optimal performance.

Maintenance and Troubleshooting

Regular maintenance of the 3976030 is recommended to maintain its efficiency and longevity. This includes checking for any obstructions or damage that could impede airflow. Common issues may include blockages or leaks, which can be addressed through routine inspections and repairs as necessary.

Performance Impact

This part plays a role in enhancing the overall performance of the truck. By optimizing airflow to the engine, it contributes to improvements in engine efficiency, power output, and durability. These enhancements can lead to better overall truck performance and reliability.

Environmental Considerations

The efficient design of the 3976030 also contributes to the environmental performance of the truck. By ensuring optimal airflow and combustion, it helps reduce emissions, aligning with efforts to minimize the environmental impact of commercial vehicles.

Cummins Corporation 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 strong reputation in the commercial truck industry, Cummins is known for its commitment to innovation, quality, and sustainability in manufacturing automotive components.

Cummins Air Duct Part 3976030 Compatibility

The Cummins Air Duct part number 3976030 is designed to integrate seamlessly with several Cummins engine models, ensuring optimal airflow and cooling efficiency. This part is specifically engineered to fit the following engines:

  • QSB5.9 CM850

The air duct is a component in the engine’s cooling system, directing air to the necessary areas to maintain engine temperature within safe operating limits. Its precise fit and design ensure that it works effectively with the specified engine models, contributing to the overall performance and longevity of the engine.

Role of Part 3976030 Air Duct in Engine Systems

The 3976030 is an essential component in the arrangement of various engine systems, particularly when integrated with a turbocharger. Its primary function is to facilitate the efficient flow of air into the engine, ensuring optimal performance and reliability.

Integration with Turbocharger

When paired with a turbocharger, the 3976030 plays a significant role in enhancing the engine’s air intake system. The turbocharger compresses the incoming air, allowing more oxygen to enter the combustion chamber. The air duct ensures that this compressed air is delivered smoothly and without restriction, which is vital for maintaining the turbocharger’s efficiency.

Airflow Management

In the arrangement of engine components, the 3976030 is positioned to manage airflow effectively. It connects the air filter to the turbocharger inlet, creating a direct and unobstructed path for air to travel. This direct path minimizes turbulence and pressure drops, which can otherwise reduce the efficiency of the turbocharger.

Thermal Management

The air duct also contributes to thermal management within the engine bay. By routing air away from heat-generating components, it helps maintain a stable operating temperature for the turbocharger and other sensitive parts. This is particularly important in high-performance engines where thermal efficiency can significantly impact overall performance.

Noise Reduction

Another aspect of the 3976030’s role is noise reduction. The design of the duct can include features that dampen the sound of air rushing through the system, contributing to a quieter engine operation. This is beneficial in both performance and everyday driving scenarios, enhancing the driving experience.

Maintenance and Durability

The durability of the 3976030 is also a key consideration. It is designed to withstand the high temperatures and pressures associated with turbocharged engines. Regular maintenance of the air duct ensures that it continues to perform its role effectively, contributing to the longevity and reliability of the engine system.

Conclusion

The Cummins 3976030 Air Duct is a vital component in the air management system of commercial trucks. Its robust design, efficient airflow management, and compatibility with specific engine models contribute to enhanced engine performance, fuel efficiency, and environmental performance. Regular maintenance and proper installation are essential to ensure the longevity and reliability of this part in the demanding environment of commercial trucking.


  1. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

  2. Heavy-Duty Wheeled Vehicles, Haoran Hu, Rudy Smaling, and Simon Baseley, SAE International, 2014

  3. Controlling Noise and Vibration in Road Vehicles, Matthew Harrison, SAE International, 2004

  4. A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition, Allan Bonnick and Derek Newbold, Elsevier Ltd, 2011

SPECIFICATIONS

Package Dimensions
17.5 x 5.5 x 3.25 in
Weight
3.25 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.