3970140
Air Tube
Cummins®

The Cummins 3970140 Air Supply Tube is a component designed for use in commercial trucks. It plays a significant role in the vehicle’s air system, contributing to the efficient operation of various truck functions. Understanding its purpose and functionality is key to maintaining the performance and safety of commercial trucks.

Basic Concepts of Air Supply Tubes

An air supply tube is a conduit within a truck’s air system that facilitates the transfer of compressed air to different components. This system is vital for the operation of brakes, suspension, and other pneumatic systems in the vehicle. The air supply tube ensures that these components receive a consistent and reliable air supply, which is essential for their performance and the overall safety of the truck ¹.

Purpose of the 3970140 Air Supply Tube

The 3970140 Air Supply Tube is integral to the operation of a truck, specifically in delivering compressed air to various components. It connects to the air compressor and routes air to systems such as the brake system, suspension, and other pneumatic controls. This ensures that these systems operate efficiently and reliably, contributing to the truck’s overall performance.

Key Features

This Cummins part is constructed with materials that offer durability and resistance to the harsh conditions often encountered in commercial trucking. Its design includes features that enhance its performance, such as reinforced connections and a layout that minimizes air resistance. These characteristics contribute to the tube’s longevity and effectiveness in the truck’s air system.

Benefits

Using the 3970140 Air Supply Tube offers several advantages. It provides improved airflow to the truck’s pneumatic systems, which can enhance their performance. Additionally, its robust construction reduces the need for frequent maintenance, and its reliable design contributes to the overall dependability of the truck’s air system.

Installation

Installing the 3970140 Air Supply Tube involves several steps and considerations to ensure it is properly integrated into the truck’s air system. This process may require specific tools and additional components, depending on the truck’s make and model. Careful attention to the installation procedure is important to maintain the tube’s performance and the truck’s safety.

Maintenance and Troubleshooting

Regular maintenance of the 3970140 Air Supply Tube is important to ensure its continued performance. This includes checking for leaks, ensuring connections are secure, and inspecting the tube for signs of wear or damage. Common issues may include blockages or damage to the tube, which can be addressed through routine checks and timely repairs.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of products and strong reputation. The company has a history of innovation and quality, providing solutions that meet the demanding requirements of commercial trucking. Cummins’ product range includes engines, filtration systems, and aftermarket parts, all designed to enhance the performance and reliability of commercial vehicles.

Cummins Air Supply Tube 3970140 Compatibility

The Cummins Air Supply Tube part number 3970140 is a critical component in the air supply system of various Cummins engines. This part ensures the efficient delivery of air to the engine’s turbocharger, which is essential for maintaining optimal performance and efficiency.

ISL9 Engines

The ISL9 engine series, known for its robust design and high power output, utilizes the Air Supply Tube 3970140 to facilitate the air flow from the intake manifold to the turbocharger. This part is integral in maintaining the pressure and flow required for the turbocharger to operate effectively, ensuring that the engine delivers consistent power across various operating conditions.

CM2150 Engines

Similarly, the CM2150 engine series, which is often used in heavy-duty applications, also incorporates the Air Supply Tube 3970140. This part is designed to withstand the rigors of demanding environments, providing a reliable connection between the air intake system and the turbocharger. The use of this tube helps in maintaining the air pressure and flow necessary for the turbocharger to boost engine performance, especially under heavy loads.

SN Engines

The SN engine series, which is known for its versatility and efficiency, also benefits from the Air Supply Tube 3970140. This part ensures that the air supply to the turbocharger is uninterrupted and at the correct pressure, which is crucial for the engine’s overall performance and fuel efficiency. The design of this tube allows it to fit seamlessly into the air supply system of the SN engines, providing a durable and reliable connection.

Role of Part 3970140 Air Supply Tube in Engine Systems

The 3970140 Air Supply Tube is an essential component in the efficient operation of various engine systems, particularly in the context of turbochargers and their associated plumbing.

Turbocharger Integration

In turbocharged engine systems, the 3970140 Air Supply Tube facilitates the delivery of pressurized air from the turbocharger to the engine’s intake manifold. This pressurized air enhances combustion efficiency, allowing the engine to produce more power without a significant increase in fuel consumption. The tube ensures a smooth and uninterrupted flow of air, which is vital for maintaining the turbocharger’s performance and longevity.

Turbocharger Plumbing

The Air Supply Tube is a key element in the turbocharger plumbing system. It connects various components such as the intercooler, charge air cooler, and the intake manifold. This connection ensures that the air, after being compressed by the turbocharger, is cooled and delivered at an optimal temperature and pressure. The tube’s design and material are selected to withstand the high pressures and temperatures associated with turbocharged systems, ensuring reliable performance under various operating conditions.

Plumbing System

Within the broader plumbing system of the engine, the 3970140 Air Supply Tube plays a role in managing the airflow dynamics. It helps in reducing turbulence and pressure drops, which can otherwise lead to inefficiencies. The tube’s precise engineering allows for minimal resistance, ensuring that the air reaches the combustion chambers in the best possible condition. This is particularly important in high-performance engines where every fraction of efficiency counts.

Conclusion

The 3970140 Air Supply Tube is integral to the functioning of turbocharged engine systems. It ensures efficient air delivery from the turbocharger to the engine, supports the turbocharger plumbing by maintaining optimal air conditions, and contributes to the overall plumbing system’s efficiency. Its role in these systems underscores the importance of well-designed components in achieving peak engine performance.