3955201
Air Intake Connection
Cummins®

The Cummins 3955201 Air Intake Connection is a component designed for use in commercial trucks. It serves a specific function within the engine system, contributing to the overall performance and efficiency of the vehicle. Understanding its purpose and significance is key to maintaining and optimizing truck operations.

Basic Concepts of Air Intake Connection

An air intake connection is a part of the engine system that facilitates the entry of air into the engine. This component is integral to the combustion process, where air mixes with fuel to produce the power needed for the truck to operate. The efficiency of this connection can influence engine performance, fuel consumption, and emissions ¹.

Purpose of the 3955201 Air Intake Connection

The 3955201 Air Intake Connection plays a role in the operation of a truck by ensuring a steady and clean supply of air to the engine. It connects various parts of the air intake system, allowing for the smooth flow of air from the filter to the turbocharger or directly into the engine. This connection is vital for maintaining the air-fuel ratio necessary for optimal engine performance ².

Key Features

The 3955201 Air Intake Connection is constructed with durable materials to withstand the harsh conditions of commercial truck operations. Its design includes features that enhance its functionality, such as a secure fitting mechanism to prevent leaks and a smooth interior to minimize air resistance. These attributes contribute to the component’s reliability and efficiency.

Benefits

The use of the 3955201 Air Intake Connection offers several benefits. It contributes to improved engine efficiency by ensuring a consistent air supply. Its durable construction enhances the longevity of the component, reducing the need for frequent replacements. Additionally, its design may offer advantages over alternative components in terms of performance and ease of installation.

Installation Process

Installing the 3955201 Air Intake Connection requires careful attention to ensure a secure and proper fit. The process involves disconnecting the old connection, cleaning the area, and attaching the new component using the appropriate tools. Following manufacturer guidelines and best practices during installation is important to ensure the connection functions correctly and efficiently.

Common Issues and Troubleshooting

Common issues with the 3955201 Air Intake Connection may include leaks or blockages, which can affect engine performance. Troubleshooting these problems involves inspecting the connection for damage, ensuring it is properly fitted, and cleaning or replacing it as necessary. Addressing these issues promptly can help maintain engine efficiency and prevent further complications.

Maintenance Tips

Regular maintenance of the 3955201 Air Intake Connection is important to prolong its lifespan and ensure optimal performance. This includes periodic cleaning to remove dirt and debris, inspecting for signs of wear or damage, and replacing the connection if it shows significant deterioration. Adhering to these maintenance practices can contribute to the overall reliability of the truck’s engine system.

About Cummins

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 known for its innovative solutions and commitment to quality. The company’s product offerings include a wide range of components and systems designed to enhance the performance and efficiency of commercial vehicles.

Cummins Air Intake Connection Part 3955201

The Cummins Air Intake Connection part 3955201 is a component in the engine’s air intake system. This part is designed to ensure a seamless and efficient connection between the air intake manifold and the turbocharger or other air intake components. Its primary function is to maintain the integrity of the air intake system, ensuring that the engine receives the correct amount of air for optimal performance.

Application in Cummins Engines

The part 3955201 is compatible with several Cummins engine models, including:

• ISB CM850

This part is engineered to fit precisely with the specified engine models, ensuring compatibility and reliability. It is important for maintaining the air intake system’s efficiency, which directly impacts the engine’s performance and longevity.

Importance of the Air Intake Connection

The air intake connection is a vital part of the engine’s overall system. It ensures that the air entering the engine is clean and at the correct pressure. This is essential for the engine’s combustion process, as it directly affects the engine’s power output and fuel efficiency. A well-functioning air intake connection helps in:

• Maintaining optimal air-fuel ratio
• Enhancing engine performance
• Reducing emissions
• Ensuring engine longevity

By integrating seamlessly with the specified Cummins engines, the part 3955201 plays a role in the overall efficiency and performance of the engine.

Role of Part 3955201 Air Intake Connection in Engine Systems

The part 3955201 Air Intake Connection is a component in the air intake system of various engine setups. Its primary function is to facilitate a secure and efficient connection between the air intake components and the engine.

Integration with Engine Components

1. Air Filter Housing: The Air Intake Connection interfaces directly with the air filter housing. This connection ensures that the filtered air is channeled smoothly into the engine, maintaining the integrity of the filtration process.

2. Throttle Body: Once the air passes through the air filter, the Air Intake Connection directs it towards the throttle body. This precise routing is vital for maintaining optimal airflow dynamics, which directly influences engine performance.

3. Intake Manifold: The connection also plays a role in linking the throttle body to the intake manifold. This ensures that the air, now mixed with fuel, is evenly distributed across all cylinders, promoting consistent combustion.

4. Intercooler (if applicable): In turbocharged engines, the Air Intake Connection may also be involved in routing air to and from the intercooler. This step is important for cooling the compressed air before it enters the combustion chamber, enhancing efficiency and power output.

5. Sensors and Actuators: The Air Intake Connection often houses or is closely associated with various sensors and actuators, such as the Mass Air Flow (MAF) sensor. These components rely on a stable and unobstructed air path to provide accurate readings, which are essential for the engine control unit (ECU) to make real-time adjustments.

6. Emission Control Systems: The connection also interacts with components of the emission control system, such as the Evaporative Emission Control (EVAP) system. This interaction helps in managing the flow of air and fuel vapors, ensuring they are properly directed and processed.

In summary, the part 3955201 Air Intake Connection is an element in the air intake system, ensuring that air flows efficiently and securely through various engine components. Its role in maintaining the performance and efficiency of the engine cannot be overstated.

Conclusion

The Cummins 3955201 Air Intake Connection is a vital component in the engine system of commercial trucks. Its role in ensuring a steady and clean supply of air to the engine contributes significantly to the vehicle’s performance, efficiency, and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.