4946377
Air Transfer Tube
Cummins®

The 4946377 Air Transfer Tube is a component manufactured by Cummins, designed to facilitate the efficient operation of commercial trucks. This part is integral to the air system of trucks, ensuring that air is effectively distributed to various subsystems that rely on it. Cummins, a well-established name in the commercial truck industry, is known for its commitment to quality and innovation in manufacturing truck components ¹.

Basic Concepts of Air Transfer Tubes

An Air Transfer Tube is a conduit that allows air to flow between different parts of a truck’s air system. It plays a role in maintaining the pressure and flow necessary for the operation of air brakes and other air-dependent subsystems. The efficiency of air transfer is vital for the overall performance and safety of the vehicle, as it ensures that all air-operated components receive the necessary air supply to function correctly ².

Purpose of the 4946377 Air Transfer Tube

This Cummins part is specifically designed to enhance the operation of a truck’s air brake system and other subsystems that depend on air pressure. It facilitates the movement of air from the compressor to the storage tanks and then to the brake chambers and other components. This ensures that the air brake system operates with the required efficiency and reliability, contributing to the safety and performance of the truck.

Key Features

The 4946377 is constructed from durable materials that are resistant to the high pressures and temperatures encountered in a truck’s air system. Its design includes features that enhance its performance and longevity, such as reinforced joints and a smooth interior to minimize air resistance. These characteristics contribute to the tube’s ability to withstand the demanding conditions of commercial truck operation.

Benefits

This part offers several benefits, including improved air flow efficiency, which leads to better performance of air-dependent subsystems. Its durable construction ensures reliability under various operating conditions, reducing the likelihood of failures and the need for frequent replacements. This contributes to the overall efficiency and safety of the truck.

Installation Process

Installing the 4946377 requires careful attention to ensure it fits correctly and functions as intended. The process involves disconnecting the old tube, cleaning the connection points, and attaching the new tube using the appropriate fittings and tools. It is important to follow the manufacturer’s guidelines to ensure a secure and proper installation, which is crucial for the tube’s performance and the safety of the vehicle.

Troubleshooting Common Issues

Common issues with this part may include leaks or blockages, which can affect the efficiency of the air system. Troubleshooting these problems involves inspecting the tube for signs of damage or wear, checking the connections for tightness, and ensuring there are no obstructions in the tube. Addressing these issues promptly helps maintain the performance and safety of the truck’s air system.

Maintenance Tips

Regular maintenance of the 4946377 is important to ensure its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, cleaning the tube to remove any debris that may obstruct air flow, and checking the connections for tightness. Adhering to a maintenance schedule helps prevent issues and ensures the tube continues to function efficiently.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins is committed to quality and innovation. The company’s focus on developing reliable and efficient components, like the 4946377, underscores its dedication to enhancing the performance and safety of commercial vehicles.

Cummins Air Transfer Tube Part 4946377 Compatibility

The Cummins Air Transfer Tube part number 4946377 is designed to fit seamlessly within various Cummins engine models. This part is integral to the engine’s air intake system, ensuring efficient airflow and optimal engine performance.

ISL G CM2180 Engines

The ISL G CM2180 engines are part of Cummins’ lineup of heavy-duty diesel engines, known for their robust construction and high power output. The Air Transfer Tube part 4946377 is specifically engineered to integrate with these engines, facilitating the transfer of air from the turbocharger to the intake manifold. This ensures that the engine receives a consistent and adequate supply of air, which is crucial for maintaining performance and efficiency.

Group Compatibility

In addition to the ISL G CM2180 engines, the Air Transfer Tube part 4946377 is also compatible with other Cummins engine groups that share similar design and operational characteristics. This part’s design allows it to fit into various configurations, making it a versatile component for multiple engine models.

By ensuring a proper fit and function, the Air Transfer Tube part 4946377 contributes to the overall reliability and longevity of the engine, making it a critical component for maintenance and performance.

Role of Part 4946377 Air Transfer Tube in Engine Systems

The 4946377 is an essential component in the efficient operation of various engine systems, particularly in the management of air flow within the engine’s subsystems.

In the context of plumbing, the Air Transfer Tube serves as a conduit for directing air to specific areas within the engine system. This is particularly important in ensuring that the correct air pressure and flow rates are maintained across different components. The tube facilitates the movement of air from high-pressure areas to those requiring additional air supply, thus optimizing the overall performance and efficiency of the engine.

When considering Exhaust Recirculation (EGR) systems, the Air Transfer Tube plays a significant role in the recirculation process. EGR systems are designed to reduce nitrogen oxides (NOx) emissions by recirculating a portion of an engine’s exhaust gas back to the engine cylinders. The Air Transfer Tube ensures that the recirculated exhaust gases are efficiently transported back into the intake stream. This not only helps in lowering emissions but also contributes to smoother engine operation by maintaining a consistent air-fuel mixture.

Overall, the 4946377 is integral to the proper functioning of these engine systems, ensuring that air is effectively managed and utilized to enhance engine performance and emissions control.

Conclusion

The 4946377 Air Transfer Tube by Cummins is a critical component for the efficient operation of commercial trucks. Its role in facilitating the distribution of air to various subsystems ensures the reliability and safety of the vehicle. With its durable construction and compatibility with various Cummins engine models, this part contributes significantly to the performance and longevity of the engine. Regular maintenance and proper installation are essential to maximize the benefits of this component.