3968474
Air Intake Connection
Cummins®

The Air Intake Connection 3968474, a component manufactured by Cummins, is designed to facilitate the efficient operation of heavy-duty trucks by ensuring a steady flow of air to the engine. Cummins, a well-established name in the heavy-duty truck industry, produces this part to enhance the performance and durability of truck engines.

Basic Concepts of Air Intake Connections

An air intake connection serves as a conduit for air to enter the engine, playing a vital role in the engine’s combustion process. The efficiency of this connection directly influences the engine’s performance, fuel efficiency, and emissions. A well-designed air intake connection ensures that the engine receives clean, unfiltered air in the right quantity, which is essential for optimal engine operation ¹.

Purpose of the 3968474 Air Intake Connection

This Cummins part is specifically engineered to provide a secure and efficient pathway for air to reach the engine. It is designed to withstand the harsh conditions typical of heavy-duty truck environments, ensuring a consistent airflow that supports engine performance under various operating conditions.

Key Features

The 3968474 boasts several key features that enhance its functionality. Constructed from durable materials, it is designed to resist wear and tear. Its design includes precise fittings and connections that ensure a secure attachment to other components of the air intake system. Additionally, it may incorporate features such as filtration elements or sound dampening materials to improve engine efficiency and reduce noise ².

Benefits

The use of the 3968474 offers several benefits. It contributes to improved engine efficiency by ensuring a steady and clean airflow to the engine. Its durable construction supports long-term use without the need for frequent replacements. Furthermore, its design may offer advantages over alternative components, such as enhanced filtration or reduced noise levels, contributing to a more efficient and quieter engine operation.

Installation Process

Installing the 3968474 requires careful attention to ensure proper fitting and function. The process involves disconnecting the old connection, cleaning the area, and attaching the new connection using the appropriate tools. It is important to follow the manufacturer’s guidelines to ensure that the connection is secure and functions as intended. Proper installation is key to maximizing the benefits of this component ³.

Maintenance and Troubleshooting

Regular maintenance of the 3968474 is important to ensure its longevity and optimal performance. This includes checking for any signs of wear or damage and ensuring that all connections are secure. Common issues may include leaks or reduced airflow, which can often be addressed by tightening connections or replacing damaged parts. Regular inspections and maintenance can help prevent more serious problems down the line.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the heavy-duty truck industry. Its product range includes a variety of components designed to enhance the performance and efficiency of heavy-duty engines, reflecting Cummins’ commitment to innovation and excellence.

Compatibility with Cummins Engines

The Air Intake Connection part 3968474 is compatible with various Cummins engines, ensuring a secure and efficient connection between the air intake manifold and the turbocharger or intercooler. This compatibility facilitates the smooth flow of air into the engine, contributing to the engine’s overall efficiency and power output.

Compatibility with ISC and ISL Series Engines

• ISC CM850
• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

Compatibility with L Series Engines

• L8.9 CM2670 L134C
• L8.9 L121
• L9 CM2670 L128B

Compatibility with QSC and QSL Series Engines

• QSC8.3 CM2880 C102
• QSC8.3 CM850 (CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM850 (CM2850)

Role of Part 3968474 Air Intake Connection in Engine Systems

The Air Intake Connection (Part 3968474) is integral to the efficient operation of various engine systems. It serves as a vital link between the air intake system and other components, ensuring seamless airflow and optimal engine performance.

Integration with Key Components

1. Air Intake Manifold: Facilitates the smooth transition of air from the intake tract to the manifold.
2. Turbocharger: Directs air from the intake system to the turbocharger.
3. Intercooler: Routes air from the turbocharger to the intercooler.
4. Mass Airflow Sensor (MAF): Ensures accurate air passage through the MAF sensor.
5. Air Intake Connection Kit: Ensures compatibility and secure fitting between aftermarket intake components and the stock air intake system.
6. Air Filter Housing: Links the air filter housing to the intake tract.
7. Throttle Body: Interfaces with the throttle body for controlled airflow into the engine.

Conclusion

The 3968474 Air Intake Connection plays a significant role in the performance and reliability of Cummins engines by ensuring efficient airflow and integration with key engine components. Its durable construction, precise design, and compatibility with various Cummins engines make it a valuable component for maintaining optimal engine operation.