3912023
Air Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$429.95 $511.64

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 3912023 Air Tube is a component designed for use in heavy-duty trucks. It serves a specific function within the vehicle’s air brake system, contributing to the overall efficiency and safety of the truck’s braking mechanism. Understanding its purpose and operation is vital for maintaining the truck’s performance and ensuring safe operation.

Basic Concepts of Air Tubes

Air tubes are integral components in pneumatic systems, facilitating the transfer of compressed air between various parts of the system. In the context of heavy-duty trucks, these tubes play a role in directing air to critical components such as brakes, suspension systems, and other pneumatically operated devices. The efficiency of these tubes directly influences the performance and reliability of the truck’s pneumatic systems 1.

Purpose of the Cummins 3912023 Air Tube

This Cummins part is specifically engineered to route compressed air within the truck’s air brake system. It ensures that air is efficiently distributed to the brake components, enabling effective braking. This tube’s design helps maintain consistent air pressure, which is crucial for the reliable operation of the braking system.

Key Features

The 3912023 is constructed from durable materials, ensuring it can withstand the rigors of heavy-duty truck environments. Its design includes features such as reinforced joints and a smooth interior to enhance airflow efficiency and reduce the risk of leaks. These characteristics contribute to the tube’s longevity and performance under demanding conditions.

Benefits of Using the Cummins 3912023 Air Tube

Utilizing this part offers several advantages. It provides improved airflow efficiency, which can lead to more responsive braking. Additionally, its design reduces the likelihood of leaks, enhancing system reliability. The tube’s durability ensures it can endure the harsh conditions typical of heavy-duty truck operations, contributing to overall system performance.

Installation Considerations

When installing this part, it is important to follow Cummins’ guidelines to ensure proper fit and function. This includes verifying that all connections are secure and that the tube is correctly routed to avoid stress or abrasion. Adhering to these recommendations helps maintain the integrity of the air brake system and ensures optimal performance.

Troubleshooting Common Issues

Common issues with air tubes, such as leaks or blockages, can affect the performance of the air brake system. Regular inspections can help identify these problems early. If a leak is detected, checking the connections and the tube itself for damage is recommended. Blockages may require cleaning or replacing the tube to restore proper airflow.

Maintenance Tips

To ensure the longevity and optimal performance of the 3912023, regular maintenance is advised. This includes periodic inspections for signs of wear or damage, cleaning the tube to remove any debris that could obstruct airflow, and ensuring all connections remain tight. Following these practices helps maintain the efficiency and reliability of the truck’s air brake system.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, particularly known for its diesel engines and related components. With a history of innovation and quality, Cummins has established a reputation for producing reliable and high-performance parts. Their product range includes a variety of components designed to enhance the efficiency and durability of heavy-duty vehicles.

Cummins Air Tube Part 3912023 Compatibility

The Cummins Air Tube part number 3912023 is designed to fit seamlessly within various engine configurations, ensuring optimal air flow and performance. This part is engineered to integrate with the following Cummins engines:

  • 6B5.9 Series: The 3912023 air tube is specifically tailored to fit within the 6B5.9 engine series, providing a reliable connection between the turbocharger and the intake manifold. This ensures that the engine maintains efficient air pressure and flow, which is crucial for maintaining peak performance levels.

  • Other Cummins Engines: While the primary focus is on the 6B5.9 series, the 3912023 air tube is also compatible with other Cummins engines that share similar design parameters. This compatibility extends to various engine models that require a robust and durable air tube to maintain air pressure integrity.

The design of the 3912023 air tube ensures that it can withstand the rigors of engine operation, providing a durable solution for maintaining air flow efficiency. Its construction is intended to fit snugly within the engine’s architecture, ensuring that it does not compromise on the engine’s performance or longevity.

Role of Part 3912023 Air Tube in Engine Systems

The part 3912023 Air Tube is integral to the efficient operation of various engine components. It facilitates the smooth transfer of air, which is essential for the optimal performance of the engine.

Airflow Management in the Turbocharger Arrangement

In turbocharger systems, the 3912023 Air Tube plays a significant role in managing airflow. It ensures that the turbocharger receives a consistent supply of air, which is necessary for the compressor to function effectively. This consistent airflow helps in maintaining the desired boost pressure, which is vital for the engine’s power output.

Integration with the Exhaust Manifold

The Air Tube is also connected to the exhaust manifold, where it aids in the efficient routing of exhaust gases. By ensuring that exhaust gases are directed away from the engine compartment promptly, the tube helps in reducing backpressure. This reduction in backpressure allows the turbocharger to spin more freely, enhancing overall engine performance.

Manifold and Exhaust System Coordination

In conjunction with the manifold and exhaust system, the 3912023 Air Tube ensures that the engine operates within its designed parameters. It helps in balancing the air-fuel mixture by providing the necessary air volume to the intake system. This balance is essential for achieving optimal combustion efficiency and reducing emissions.

Turbocharger Location Specifics

Depending on the turbocharger’s location within the engine bay, the Air Tube may need to be routed in specific ways to avoid interference with other components. Whether the turbocharger is mounted on the exhaust side or integrated into the intake system, the tube’s design ensures minimal restriction and maximum airflow, contributing to the turbocharger’s efficiency.

Overall Engine Performance

By facilitating efficient airflow throughout these components, the 3912023 Air Tube contributes to the engine’s overall performance. It ensures that each component—from the turbocharger to the exhaust manifold—operates within its designed specifications, leading to improved engine responsiveness, power, and fuel efficiency.

Conclusion

The Cummins 3912023 Air Tube is a critical component in the air brake and engine systems of heavy-duty trucks. Its design and features ensure efficient airflow, reliable operation, and durability under demanding conditions. Proper installation, regular maintenance, and timely troubleshooting of common issues are essential for maximizing the performance and longevity of this part. Cummins’ commitment to quality and innovation is evident in the design and functionality of the 3912023 Air Tube, making it a valuable component for enhancing the efficiency and safety of heavy-duty vehicles.


  1. Kluczyk, B. (2008). How to Rebuild Any Automotive Engine. CarTech.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
11.5 x 4.25 x 3.25 in
Weight
1.65 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.