3609931
Air Intake Manifold
Cummins®

The Cummins 3609931 Air Intake Manifold is a component designed for use in heavy-duty trucks. It serves a significant role in the engine system by facilitating the distribution of air to the engine cylinders. This part is integral to the efficient operation of the truck, contributing to both performance and fuel efficiency ¹.

Basic Concepts of Air Intake Manifolds

An air intake manifold is a component that connects the air filter to the engine’s intake ports. Its function is to evenly distribute the air-fuel mixture to each cylinder. This distribution is crucial for the combustion process, which powers the engine. The manifold’s design and material can influence engine performance, including power output and fuel efficiency ².

Purpose of the Cummins 3609931 Air Intake Manifold

The Cummins 3609931 Air Intake Manifold is specifically engineered to enhance the operation of heavy-duty trucks. It plays a role in the engine’s air intake system by ensuring a consistent and efficient flow of air to the cylinders. This contributes to the engine’s overall efficiency and performance, allowing for better combustion and potentially improved fuel economy ³.

Key Features

The Cummins 3609931 Air Intake Manifold is characterized by several key features that enhance its functionality. These include a robust design that can withstand the demanding conditions of heavy-duty truck operation, the use of high-quality materials to ensure durability, and specific design elements that optimize air flow to the engine cylinders ⁴.

Benefits

Using the Cummins 3609931 Air Intake Manifold can lead to several benefits. These include improved engine performance due to optimized air distribution, increased fuel efficiency as a result of more efficient combustion, and enhanced durability that ensures long-term reliability in demanding applications ¹.

Installation Process

Installing the Cummins 3609931 Air Intake Manifold involves several steps. It begins with the removal of the old manifold, followed by the installation of the new part. Special considerations include ensuring a proper seal to prevent air leaks and verifying that all connections are secure. Detailed instructions should be followed to ensure a correct installation ².

Maintenance and Care

To ensure the Cummins 3609931 Air Intake Manifold operates at its best, regular maintenance is recommended. This includes inspecting the manifold for signs of wear or damage, cleaning it to remove any debris that could obstruct airflow, and checking all connections for tightness. Proper care can extend the lifespan of the manifold and maintain engine performance ³.

Troubleshooting Common Issues

Common issues with the Cummins 3609931 Air Intake Manifold may include air leaks, reduced engine performance, or unusual noises. Troubleshooting these problems involves inspecting the manifold for cracks or loose connections, ensuring the air filter is clean and functioning correctly, and checking for any obstructions in the air intake system ⁴.

Compatibility and Applications

The Cummins 3609931 Air Intake Manifold is designed for use with specific truck models and engine types. Its compatibility ensures that it can be effectively integrated into various heavy-duty truck applications, providing reliable performance across a range of operating conditions ¹.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive and heavy-duty truck components industry. With a history of innovation and a commitment to quality, Cummins has built a reputation for producing reliable and high-performance parts. The company’s dedication to excellence is reflected in its wide range of products, including the Cummins 3609931 Air Intake Manifold ².

Air Intake Manifold Part 3609931 Compatibility with Cummins Engines

The Cummins Air Intake Manifold part number 3609931 is designed to fit a variety of Cummins engines, ensuring optimal performance and efficiency. This part is engineered to work seamlessly with the following engines:

G855 Series

• G855
• G855 CM558

These engines benefit from the precise air intake management provided by the 3609931 manifold, enhancing combustion efficiency and power output.

GTA855 Series

• GTA855 CM558 (CM2358) G101

The GTA855 series engines, particularly those equipped with the CM558 and CM2358 configurations, are compatible with the 3609931 manifold. This compatibility ensures that the engine’s air intake system is optimized for both performance and reliability.

N14 Series

• N14 G
• N14 MECHANICAL

The N14 series engines, including the N14 G and N14 MECHANICAL variants, are also designed to work with the 3609931 manifold. This part helps maintain the integrity of the air intake system, contributing to the engine’s overall efficiency and longevity.

NH/NT 855 Series

• NH/NT 855

The NH/NT 855 engines are another series that can utilize the 3609931 air intake manifold. This compatibility ensures that the manifold’s design aligns with the specific needs of these engines, providing a reliable and efficient air intake solution ³.

Role of Part 3609931 Air Intake Manifold in Engine Systems

The Air Intake Manifold (Part 3609931) is integral to the efficient operation of various engine systems. It serves as the conduit for air entering the engine, ensuring a steady and measured flow to the cylinders. This component interfaces directly with the Air Intercooler, which cools the intake air post-compression from the Turbocharger. The cooled air, denser and richer in oxygen, is then distributed through the manifold to optimize combustion efficiency.

In turbocharged systems, the manifold works in concert with the turbocharger to manage the pressurized air. The Intake Manifold is designed to evenly distribute this pressurized air across all cylinders, enhancing engine performance and power output. The arrangement of the manifold allows for precise air-fuel mixture delivery, which is vital for maintaining engine balance and performance.

Furthermore, the manifold’s design facilitates integration with the Intake system components, ensuring seamless airflow from the intercooler to the engine cylinders. This setup not only improves engine efficiency but also contributes to reduced emissions by promoting complete combustion.

In summary, the Air Intake Manifold (Part 3609931) plays a significant role in enhancing engine performance by ensuring optimal air distribution and integration with other critical components such as the intercooler and turbocharger ⁴.

Conclusion

The Cummins 3609931 Air Intake Manifold is a critical component in the efficient operation of heavy-duty trucks. Its role in ensuring optimal air distribution to the engine cylinders contributes to improved performance, fuel efficiency, and durability. Regular maintenance and proper installation are essential to maximize the benefits of this part. Its compatibility with various Cummins engines ensures reliable performance across a range of applications.