3955199
Exhaust Manifold
Cummins®

The Cummins 3955199 Exhaust Manifold is a component designed for use in commercial trucks. Its purpose is to channel exhaust gases from the engine cylinders to the exhaust system. This part plays a role in the efficient operation of the truck’s engine by managing the flow of exhaust gases, which contributes to the overall performance and emissions control of the vehicle ¹.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a part of the engine system that collects exhaust gases from the individual cylinders and directs them into the exhaust pipe. It functions by providing a pathway for these gases to exit the engine, which helps in reducing back pressure and improving engine efficiency ². The manifold’s design allows for the combination of exhaust flows, which can also aid in the warming up of the catalytic converter more quickly. The importance of the exhaust manifold lies in its ability to manage exhaust gases effectively, which is vital for the engine’s operation and the vehicle’s emissions output.

Role of the 3955199 Exhaust Manifold

The Cummins 3955199 Exhaust Manifold is tailored to fit specific truck engine models. It interacts with the engine’s cylinders, collecting exhaust gases and routing them away from the engine. This process is integral to maintaining engine performance, as it ensures that exhaust gases are expelled efficiently, allowing for better combustion in the cylinders. The manifold’s design also contributes to the reduction of engine noise and vibration, which can affect the longevity and reliability of the engine system ³.

Key Features

The Cummins 3955199 Exhaust Manifold is constructed from materials that are resistant to high temperatures and corrosion, which are common in the exhaust system environment. Its design includes features that enhance its functionality, such as precise port alignment for optimal gas flow and a robust structure that can withstand the rigors of commercial truck use. These attributes contribute to the manifold’s durability and performance.

Benefits

The use of the Cummins 3955199 Exhaust Manifold can lead to improved engine efficiency due to its design, which allows for a more streamlined flow of exhaust gases. This can result in better fuel economy and reduced emissions, as the engine operates more cleanly and efficiently. The manifold’s construction also ensures enhanced durability, which is beneficial for the longevity of the engine system in demanding commercial applications.

Troubleshooting and Maintenance

Common issues with exhaust manifolds may include cracks, leaks, or blockages, which can affect engine performance and emissions. Troubleshooting these problems involves inspecting the manifold for signs of damage or wear and ensuring that all connections are secure. Maintenance practices for the Cummins 3955199 Exhaust Manifold include regular checks for damage, proper torque of fasteners, and ensuring that the manifold is free from obstructions. These practices help to ensure the part’s longevity and optimal performance.

About Cummins

Cummins Inc. is a corporation known for its diesel engines and related technologies. With a history of innovation in the diesel engine market, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s expertise in engine manufacturing is reflected in its product line, which includes a range of components designed to enhance the performance and efficiency of commercial vehicles.

Cummins Exhaust Manifold 3955199 Compatibility

The Cummins Exhaust Manifold part number 3955199 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and durability. This part is engineered to meet the stringent requirements of Cummins’ high-performance engines, providing a reliable connection between the engine’s cylinders and the exhaust system.

ISB CM850 Engines

The Exhaust Manifold 3955199 is specifically engineered to integrate with the ISB CM850 engines. These engines are known for their robust construction and efficiency, making them a popular choice in various industrial applications. The manifold’s design ensures efficient exhaust gas flow, contributing to the engine’s overall performance and longevity.

Grouping of Engines

For engines within the same family or series, the Exhaust Manifold 3955199 is often compatible across multiple models. This compatibility is due to the consistent design and engineering principles applied across similar engine architectures. Cummins’ approach to engine design ensures that parts like the Exhaust Manifold can be interchanged within certain engine groups, providing flexibility and ease of maintenance.

Integration and Performance

When installed, the Exhaust Manifold 3955199 ensures that the engine operates at peak efficiency. It is designed to withstand high temperatures and pressures, which are common in the exhaust system of high-performance engines. The manifold’s precision-engineered components work together to facilitate smooth exhaust gas flow, reducing back pressure and enhancing combustion efficiency.

Reliability and Durability

Cummins is renowned for its commitment to quality and reliability. The Exhaust Manifold 3955199 is no exception, featuring materials and construction techniques that ensure long-lasting performance. This part is subjected to rigorous testing and quality control measures to meet Cummins’ high standards, providing users with a dependable component that enhances engine reliability.

Application Considerations

When considering the Exhaust Manifold 3955199 for your Cummins engine, it is essential to verify compatibility with your specific engine model. While the manifold is designed to fit a range of Cummins engines, variations in engine series and model years may require specific part numbers or modifications. Consulting the engine’s service manual or a Cummins authorized dealer can provide the necessary guidance to ensure proper fitment and performance.

Role of Exhaust Manifold (Part 3955199) in Engine Systems

The Exhaust Manifold (part 3955199) serves as a vital link in the engine’s exhaust system, facilitating the efficient routing of exhaust gases from the engine’s cylinders to the exhaust pipe. This component is engineered to withstand high temperatures and pressures, ensuring reliable performance.

Interaction with Engine Components

1. Cylinders: The Exhaust Manifold collects exhaust gases from each cylinder after the combustion process. It is designed to accommodate the specific layout of the engine’s cylinders, whether it is an inline, V, or boxer configuration.

2. Exhaust Ports: Each cylinder’s exhaust port is connected to the manifold through precision-machined passages. These passages are crafted to minimize backpressure, allowing for smooth exhaust flow.

3. Turbocharger (if present): In turbocharged engines, the Exhaust Manifold directs exhaust gases to the turbocharger. This setup enhances engine performance by utilizing the exhaust flow to spin the turbine, which in turn drives the compressor to intake more air.

4. Catalytic Converter: Downstream from the manifold, the exhaust gases enter the catalytic converter. The manifold’s design ensures that the gases are evenly distributed, optimizing the converter’s efficiency in reducing harmful emissions.

5. Exhaust Pipe: The manifold transitions into the main exhaust pipe, which carries the gases away from the engine bay. The connection point is typically sealed with a gasket to prevent leaks and ensure a secure fit.

6. Heat Shields: To protect nearby components from the high temperatures generated by the manifold, heat shields are often installed. These shields are crucial for maintaining the integrity of surrounding engine parts.

7. O2 Sensors: Modern engines incorporate oxygen sensors either before or after the catalytic converter. The manifold’s design allows for the integration of these sensors, which monitor exhaust gas composition to ensure optimal fuel efficiency and emissions control.

8. Engine Control Unit (ECU): The data from the O2 sensors is sent to the ECU, which adjusts the air-fuel mixture in real-time. The manifold’s role in providing a consistent exhaust flow is essential for accurate sensor readings and ECU performance.

Conclusion

In summary, the Exhaust Manifold (part 3955199) is a key component that ensures the efficient and effective management of exhaust gases within the engine system, contributing to overall engine performance and emissions control.