4943894
Air Intake Connection
Cummins®

The 4943894 Air Intake Connection, manufactured by Cummins, is a critical component in heavy-duty trucks, designed to enhance engine performance and reliability. Cummins, a renowned name in the commercial truck industry, focuses on producing components that contribute to efficient engine operation.

Basic Concepts of Air Intake Connection

Air intake connections in diesel engines are essential for directing atmospheric air into the engine’s combustion chamber. The efficiency of the air intake system directly impacts engine power, fuel efficiency, and emissions, making it a key factor in overall engine performance ¹.

Purpose of the 4943894 Air Intake Connection

This Cummins part ensures a smooth and unrestricted flow of air to the engine, optimizing the air-fuel mixture for efficient combustion. It connects various parts of the air intake system, contributing to engine efficiency and performance ².

Key Features

The 4943894 is constructed from durable materials to withstand the harsh conditions of heavy-duty truck environments. Its design includes features for a tight seal, minimizing air leaks, and it is engineered for easy installation and compatibility with Cummins engines.

Benefits

This part offers improved engine performance through optimized airflow. Its durable construction ensures longevity, and its design facilitates ease of installation, making it a practical choice for maintenance and upgrades.

Installation Process

Installing the 4943894 involves preparing the connection points, aligning and securing the connection, and following torque specifications and sealing procedures to ensure an airtight fit ³.

Maintenance Tips

Regular maintenance includes periodic inspections for wear or damage, cleaning connection points, and checking seals for integrity to ensure optimal performance and longevity.

Troubleshooting Common Issues

Common issues with air intake connections include air leaks, blockages, or damage. Diagnostic steps involve checking for proper sealing, inspecting for obstructions, and examining the connection for physical damage. Solutions may range from re-sealing to replacing damaged parts.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its innovative and high-quality engine and component products. The company’s commitment to excellence in engineering and manufacturing makes it a trusted source for truck components, including the 4943894.

Compatibility of 4943894

The 4943894 is designed to fit various Cummins engines, ensuring a secure and efficient air intake system. It is compatible with engines like 4B3.9, 6B5.9, B5.9 CM2670 B166C, ISB3.9 CM2220 B107, ISB5.9 CM2880 B127, QSB3.9 CM2880 B138, and QSB5.9 CM2880 B139.

Role of 4943894 in Engine Systems

The 4943894 plays a vital role in the efficient operation of engine systems by ensuring a secure connection between the air intake system and other components. It interfaces with the air filter housing, throttle body, intake manifold, MAF sensor, PCV system, and intercooler in turbocharged engines, directly influencing engine performance and emissions.

Conclusion

The 4943894 Air Intake Connection is a pivotal component in Cummins engines, ensuring efficient and reliable operation of the air intake system. Its design and compatibility with various Cummins engines make it an essential part for maintaining optimal engine performance.