4981336
Air Intake Manifold
Cummins®

The Cummins 4981336 Air Intake Manifold is a component designed for use in commercial trucks. It plays a role in the engine’s air induction system by facilitating the distribution of air to the engine’s cylinders. This part is integral to the efficient operation of the engine, ensuring that the air-fuel mixture is properly managed for optimal performance.

Basic Concepts of Air Intake Manifolds

An air intake manifold is a part of the engine that distributes the air-fuel mixture to the cylinders. It connects to the throttle body or carburetor and extends to the cylinder heads. The manifold plays a role in the engine’s operation by ensuring that each cylinder receives a consistent amount of the air-fuel mixture, which is necessary for combustion. The design and material of the manifold can affect engine performance, efficiency, and durability ¹.

Purpose of the 4981336 Air Intake Manifold

This Cummins part is specifically engineered to enhance the air distribution process within the engine. It ensures that air is evenly distributed to each cylinder, which contributes to balanced combustion and engine performance. The manifold’s design allows for efficient air flow, which is crucial for maintaining the engine’s power output and fuel efficiency.

Key Features

The 4981336 boasts several key features that contribute to its functionality and durability. It is constructed from high-quality materials that can withstand the high temperatures and pressures within the engine compartment. The design includes precise engineering to ensure optimal air flow and distribution. Additionally, the manifold may feature unique attributes such as integrated sensors or mounting points for other engine components.

Benefits

The advantages of this part include improved engine performance due to better air distribution, increased efficiency as a result of optimized air flow, and enhanced durability thanks to its robust construction. These benefits contribute to the overall reliability and longevity of the engine.

Installation Process

Installing the 4981336 involves several steps. It is important to ensure that the engine is cool and the vehicle is securely supported before beginning. The old manifold must be removed, which may require disconnecting various hoses and electrical connections. The new manifold should be positioned correctly and secured in place, followed by reconnecting any disconnected components. It is also important to check for any leaks or loose connections after installation.

Common Issues and Troubleshooting

Air intake manifolds can encounter issues such as leaks, cracks, or sensor malfunctions. These problems can lead to decreased engine performance or efficiency. Diagnosing these issues may involve visual inspection, pressure testing, or using diagnostic tools to check for sensor errors. Solutions can range from simple repairs, such as sealing a leak, to replacing the manifold if it is damaged.

Maintenance Tips

To ensure the longevity and optimal performance of the 4981336, regular maintenance is recommended. This includes inspecting the manifold for signs of wear or damage, ensuring all connections are secure, and cleaning the manifold to remove any buildup that could obstruct air flow. Following the manufacturer’s maintenance schedule can help prevent issues and extend the life of the component.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the diesel engine and component manufacturing industry, Cummins is known for its commitment to quality and innovation. The company’s products are used in a wide range of applications, from commercial trucks to industrial equipment, demonstrating Cummins’ versatility and expertise in the power industry.

Air Intake Manifold Part 4981336 Compatibility with Cummins Engines

This part is designed to fit a range of Cummins engines, ensuring optimal air flow and engine performance. This part is compatible with the following engines:

ISB/ISD4.5 CM2150 B119

The ISB/ISD4.5 CM2150 B119 engine benefits from the 4981336, which is engineered to provide a precise fit and enhance the engine’s efficiency. This compatibility ensures that the manifold integrates seamlessly with the engine’s architecture, facilitating effective air intake.

ISBE4 CM850 and QSB4.5 CM850 (CM2850)

The ISBE4 CM850 and QSB4.5 CM850 (CM2850) engines also utilize the 4981336. This part is specifically designed to match the intake requirements of these engines, ensuring that they operate at peak performance. The manifold’s design allows for efficient air flow, which is crucial for maintaining the balance between power and fuel economy in these engines.

Understanding the Integration of Part 4981336 Air Intake Manifold with Engine Systems

This part is a component in the orchestration of an engine’s air intake system. Its primary function is to distribute the air-fuel mixture evenly to each cylinder, ensuring optimal combustion efficiency.

When integrated with the long block, which consists of the engine’s core components such as the cylinder block, crankshaft, pistons, and camshaft, the Air Intake Manifold plays a pivotal role. It connects to the throttle body at one end and to the cylinder heads at the other, forming a bridge that allows the air-fuel mixture to flow into the combustion chambers. This seamless connection is vital for maintaining the engine’s performance and efficiency.

In conjunction with the manifold, specifically the exhaust manifold, the Air Intake Manifold works in tandem to manage the flow of gases within the engine. While the exhaust manifold collects exhaust gases from the cylinders and directs them to the exhaust system, the Air Intake Manifold ensures a steady supply of the air-fuel mixture to the cylinders. This balanced flow is essential for the engine’s smooth operation and power delivery.

The relationship between the Air Intake Manifold and the air intake system is inherently symbiotic. The air intake system draws in ambient air, which is then mixed with fuel in the manifold before being distributed to the cylinders. The design and efficiency of the Air Intake Manifold directly influence the engine’s ability to breathe, impacting its overall performance, fuel efficiency, and emissions.

Conclusion

In summary, the part 4981336 is a key player in the engine’s air management system, working in harmony with the long block, manifold, and air intake components to ensure efficient and effective engine operation.