4940349
Air Transfer Pipe
Cummins®

The Cummins 4940349 Air Transfer Pipe is a component designed for use in commercial trucks. It facilitates the movement of air within the truck’s air system, ensuring that various components receive the necessary airflow for optimal operation. This part is integral to maintaining the efficiency and reliability of the truck’s air-operated systems.

Basic Concepts of Air Transfer Pipes

An air transfer pipe is a conduit that directs pressurized air from the compressor to different parts of the truck’s air system. It plays a role in the system by ensuring a consistent and reliable supply of air to components such as brakes, suspension systems, and other air-actuated devices. The efficiency of the air flow through these pipes is vital for the proper functioning of these systems ¹.

Purpose of the 4940349 Air Transfer Pipe

The Cummins 4940349 Air Transfer Pipe is specifically designed to route air within the truck’s air system. It directs air to critical components, ensuring they operate within their designed parameters. This part contributes to the overall efficiency of the air system by providing a dedicated pathway for air, reducing the likelihood of leaks and ensuring that air reaches its destination with minimal loss of pressure.

Key Features

The 4940349 Air Transfer Pipe 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 reduce air resistance. These attributes contribute to the pipe’s ability to withstand the demands of commercial truck operations ².

Benefits of Using the 4940349 Air Transfer Pipe

Installing the 4940349 Air Transfer Pipe can lead to improved efficiency within the truck’s air system. It may contribute to enhanced performance of air-operated components and extend the lifespan of these parts by ensuring they receive a consistent and reliable air supply. The pipe’s durable construction also reduces the need for frequent replacements, offering long-term value ³.

Installation Considerations

Proper installation of the 4940349 Air Transfer Pipe is important for its optimal performance. This process involves ensuring that all connections are secure and that the pipe is correctly routed to avoid stress points that could lead to failure. Tools such as wrenches and sealants may be required, and following manufacturer guidelines can help achieve a successful installation.

Troubleshooting Common Issues

Common issues with air transfer pipes include leaks and blockages. These can be identified through regular inspections and testing of the air system. Troubleshooting steps may involve checking connections for tightness, inspecting the pipe for signs of wear or damage, and clearing any obstructions within the pipe. Addressing these issues promptly can help maintain the efficiency of the air system.

Maintenance Tips

Regular maintenance of the 4940349 Air Transfer Pipe is important for its longevity. This includes routine inspections for signs of wear, checking for leaks, and ensuring that all connections remain tight. Cleaning the pipe to remove any debris that may obstruct air flow is also recommended. Replacement should be considered if the pipe shows significant signs of wear or if performance issues arise that cannot be resolved through maintenance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial truck, bus, construction, agricultural, and power generation markets. The company is committed to advancing technology and sustainability in the industries it serves.

Cummins Air Transfer Pipe 4940349 Compatibility

The Cummins Air Transfer Pipe, part number 4940349, is designed to fit seamlessly with specific Cummins engine models. This part is essential for maintaining the integrity of the air intake system, ensuring optimal engine performance.

Compatible Engines

• 4B3.9
• 6B5.9

These engines benefit from the precise fit and high-quality construction of the 4940349 Air Transfer Pipe, which is engineered to handle the demands of these power units. The compatibility of this part with the listed engines ensures that it meets the stringent requirements for durability and efficiency in Cummins’ engine lineup.

Role of Part 4940349 Air Transfer Pipe in Engine Systems

The 4940349 Air Transfer Pipe is integral to the efficient operation of various engine systems by facilitating the smooth and controlled movement of air between components. This part ensures that air is properly directed to where it is needed, enhancing the performance and reliability of the engine.

Connection to Intake Manifold

The Air Transfer Pipe connects to the intake manifold, which is responsible for distributing air into the engine’s cylinders. By providing a secure and leak-free pathway, the pipe ensures that the air-fuel mixture is consistently delivered to the combustion chambers. This connection is essential for maintaining optimal engine performance and fuel efficiency.

Air Transfer to Turbocharger

In turbocharged engines, the Air Transfer Pipe plays a significant role in directing air to the turbocharger. The turbocharger compresses the air before it enters the combustion chamber, allowing for more efficient burning of the air-fuel mixture. The pipe ensures that the air reaches the turbocharger with minimal resistance, which is vital for maximizing the turbocharger’s effectiveness and overall engine power.

Integration with Intercooler

In engines equipped with an intercooler, the Air Transfer Pipe is responsible for transferring air from the turbocharger to the intercooler. The intercooler cools the compressed air, increasing its density and further improving combustion efficiency. The pipe’s design ensures that air flows smoothly to the intercooler, reducing the risk of hotspots and enhancing the cooling process.

Connection to Throttle Body

The Air Transfer Pipe also connects to the throttle body, which controls the amount of air entering the engine. By providing a direct and unobstructed path, the pipe ensures that the throttle body can accurately meter the air intake based on driver demand. This precise control is essential for maintaining smooth engine operation and responsiveness.

Role in Emission Control Systems

In modern engines, the Air Transfer Pipe is often part of the emission control system. It helps in directing air to components like the catalytic converter and oxygen sensors. Proper air flow through these components ensures that emissions are effectively managed, complying with environmental regulations and promoting cleaner engine operation.

Support in Air Induction System

The Air Transfer Pipe is a key component in the air induction system, which includes the air filter, mass airflow sensor, and various ducts and hoses. By ensuring a consistent and clean air supply, the pipe contributes to the overall efficiency and performance of the air induction system, which is critical for engine health and longevity.

Conclusion

The Cummins 4940349 Air Transfer Pipe is a critical component in the air system of commercial trucks, ensuring efficient and reliable air flow to various engine components. Its durable construction, precise fit, and role in enhancing engine performance make it a valuable part for maintaining the integrity of the air intake system. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.