4990882
Exhaust Manifold
Cummins®

The Cummins Exhaust Manifold, part number 4990882, is a component designed for use in commercial trucks. It serves a significant role in the engine system by managing the flow of exhaust gases from the engine cylinders to the exhaust system. This part is integral to maintaining the efficiency and performance of the truck’s engine.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a component that collects exhaust gases from the individual cylinders of an engine and channels them into the exhaust system. It plays a role in the engine system by ensuring that exhaust gases are efficiently directed away from the engine, which helps in maintaining engine performance and reducing emissions. The manifold is typically made from heat-resistant materials to withstand the high temperatures of exhaust gases ¹.

Purpose of the Cummins Exhaust Manifold Part #4990882

The Cummins Exhaust Manifold, part number 4990882, is specifically designed to direct exhaust gases away from the engine in commercial trucks. It plays a role in the engine’s operation by ensuring that exhaust gases are efficiently routed to the exhaust system, which contributes to the overall performance and efficiency of the engine. This part is engineered to withstand the high temperatures and pressures associated with exhaust gases, ensuring reliable operation under various driving conditions ².

Key Features

The Cummins Exhaust Manifold, part number 4990882, features a robust construction that includes high-quality materials resistant to heat and corrosion. Its design incorporates precise engineering to ensure optimal flow of exhaust gases, which enhances engine performance. Additionally, this part may include features such as reinforced mounting points and improved sealing surfaces to enhance its durability and reliability in demanding commercial truck applications ³.

Benefits

Using the Cummins Exhaust Manifold, part number 4990882, can lead to several benefits. It contributes to improved engine efficiency by ensuring that exhaust gases are effectively managed. This part also plays a role in reducing emissions by facilitating a more complete and efficient combustion process. Furthermore, its durable construction ensures long-term reliability, which can lead to reduced maintenance costs and increased uptime for commercial trucks ⁴.

Installation Considerations

Proper installation of the Cummins Exhaust Manifold, part number 4990882, is important to ensure its effective operation. It is recommended to follow Cummins’ guidelines for installation, which may include specific torque specifications for mounting bolts and ensuring that all gaskets and seals are in good condition. Careful attention to these details can help prevent issues such as leaks or reduced performance.

Common Issues and Troubleshooting

Exhaust manifolds, including the Cummins Exhaust Manifold, part number 4990882, may encounter issues such as leaks or cracks over time. These problems can be identified through routine inspections and may require repairs or replacement of the manifold. Troubleshooting steps may include checking for signs of damage, ensuring proper installation, and addressing any issues with gaskets or seals.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins Exhaust Manifold, part number 4990882, routine maintenance is recommended. This may include regular inspections for signs of damage or wear, cleaning the manifold to remove any buildup of soot or debris, and ensuring that all connections are secure. Following these maintenance practices can help prevent issues and ensure reliable operation of the exhaust system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company offers a wide range of products designed to meet the needs of various applications, demonstrating a commitment to excellence and customer satisfaction.

Exhaust Manifold 4990882 Compatibility with Cummins Engines

The Exhaust Manifold, part number 4990882, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is integral to the engine’s exhaust system, facilitating the efficient transfer of exhaust gases from the engine cylinders to the exhaust pipe.

ISB6.7 CM2250 and QSB6.7 CM2250

The Exhaust Manifold 4990882 is specifically engineered to fit the ISB6.7 CM2250 and QSB6.7 CM2250 engines. These engines are known for their robust performance and reliability, making them suitable for a variety of applications, from commercial vehicles to industrial machinery. The manifold’s design ensures optimal exhaust flow, contributing to the engine’s overall efficiency and power output.

ISB6.7 CM2350 B101

Similarly, the Exhaust Manifold 4990882 is compatible with the ISB6.7 CM2350 B101 engine. This engine variant is an upgraded version of the ISB6.7 CM2250, offering enhanced performance and additional features. The manifold’s precise fit and construction ensure that it can handle the increased exhaust demands of this higher-output engine, maintaining the integrity and efficiency of the exhaust system.

By ensuring a proper fit with these engines, the Exhaust Manifold 4990882 plays a crucial role in the overall performance and longevity of the engine. Its compatibility with multiple engine models highlights Cummins’ commitment to providing versatile and reliable components for their range of engines.

Understanding the Integration of Part 4990882 Exhaust Manifold in Engine Systems

The Exhaust Manifold, specifically part 4990882, is an integral component in the orchestration of an engine’s exhaust system. Its primary function is to collect exhaust gases from the engine’s cylinders and channel them into the exhaust system. This part is designed to fit precisely with several key components to ensure efficient operation and performance.

Connection with the Cylinder Head

The Exhaust Manifold, part 4990882, interfaces directly with the cylinder head. This connection is vital for the manifold to effectively gather exhaust gases as they exit the cylinders. The manifold is bolted to the cylinder head, ensuring a secure and airtight seal that prevents any escape of exhaust gases.

Integration with the Exhaust Pipe

Once the Exhaust Manifold has collected the exhaust gases, it directs them into the exhaust pipe. This transition is seamless, with the manifold’s design allowing for a smooth flow of gases into the pipe. The connection between the manifold and the exhaust pipe is typically made using a flange and gasket, ensuring a tight seal and efficient gas flow.

Role in the Exhaust System

Within the broader exhaust system, the Exhaust Manifold part 4990882 plays a significant role. It not only collects and directs exhaust gases but also contributes to the system’s overall efficiency. The design of the manifold can affect the exhaust flow, impacting engine performance and emissions.

Interaction with the Catalytic Converter

In many engine systems, the Exhaust Manifold is positioned before the catalytic converter. This placement allows the manifold to channel exhaust gases directly into the converter, where they undergo a chemical reaction to reduce harmful emissions. The efficiency of this process can be influenced by the design and condition of the manifold.

Contribution to Engine Performance

The Exhaust Manifold, part 4990882, is more than a simple conduit for exhaust gases. Its design and condition can impact engine performance. A well-designed manifold can improve exhaust flow, leading to better engine efficiency and performance. Conversely, a damaged or poorly designed manifold can lead to decreased performance and increased emissions.

Conclusion

In summary, the Exhaust Manifold, part 4990882, is a key component in the engine’s exhaust system, interacting with the cylinder head, exhaust pipe, and catalytic converter to ensure efficient operation and performance. Its role extends beyond mere gas collection, influencing engine performance and emissions.