4994738
Exhaust Outlet Connection
Cummins®

The Exhaust Outlet Connector, identified by Part #4994738, is a component manufactured by Cummins, a leader in the automotive and heavy-duty truck industry. This connector plays a significant role in the exhaust system, facilitating the efficient removal of exhaust gases from the engine. Its design and functionality are integral to maintaining the performance and efficiency of the vehicle’s exhaust system ¹.

Function and Operation

The Exhaust Outlet Connector operates by providing a secure and efficient pathway for exhaust gases to exit the engine. It connects the exhaust manifold to the exhaust pipe, ensuring that gases are directed away from the engine compartment. This process helps in reducing backpressure, which can otherwise impede engine performance ². The connector is engineered to withstand high temperatures and pressures, ensuring reliable operation under various driving conditions.

Key Features

The Exhaust Outlet Connector is designed with several features that enhance its performance and durability. It is typically made from high-quality materials such as stainless steel or durable alloys, which provide resistance to corrosion and high temperatures. The connector’s design may include reinforced flanges and precision-machined surfaces to ensure a tight seal, preventing leaks and maintaining efficient exhaust flow. Additionally, it may feature gaskets or seals to further enhance its sealing capabilities.

Benefits

The use of the Exhaust Outlet Connector offers several advantages. It contributes to improved exhaust flow, which can lead to enhanced engine performance and fuel efficiency. By ensuring that exhaust gases are efficiently directed away from the engine, it helps in reducing emissions, contributing to a cleaner environment. The robust construction of the connector also ensures longevity and reliability, reducing the need for frequent replacements ³.

Installation and Compatibility

Proper installation of the Exhaust Outlet Connector is crucial for its effective functioning. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and proper sealing. Specific requirements may vary depending on the truck model, and it is important to consult the vehicle’s service manual for detailed instructions. Ensuring that all connections are tight and that gaskets or seals are in good condition is vital for optimal performance.

Maintenance and Troubleshooting

Regular maintenance of the Exhaust Outlet Connector is important to ensure its continued efficient operation. This includes checking for signs of wear or damage, such as cracks or leaks, and replacing any worn-out gaskets or seals. Common issues may include leaks due to worn seals or corrosion, which can be addressed by inspecting and replacing affected parts. Ensuring that the connector is properly torqued during installation can also prevent issues related to loose connections.

Regulatory Compliance

The Exhaust Outlet Connector complies with emissions regulations and standards, ensuring that the truck operates within legal limits. Cummins designs its components to meet or exceed these regulations, contributing to reduced environmental impact and ensuring that vehicles remain in compliance with current emissions standards.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history spanning over a century, Cummins is committed to innovation and sustainability in the automotive industry. The company’s extensive product range and focus on technological advancement make it a trusted name in the field of automotive and heavy-duty truck components.

Exhaust Outlet Connector 4994738 Compatibility with Cummins Engines

The Exhaust Outlet Connector 4994738, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engine models. This part is crucial for maintaining the integrity of the exhaust system and ensuring optimal engine performance.

K19 Engines

For the K19 series engines, the Exhaust Outlet Connector 4994738 is engineered to fit perfectly, providing a secure connection between the exhaust manifold and the exhaust pipe. This ensures that the exhaust gases are efficiently channeled out of the engine, reducing back pressure and enhancing overall performance.

QSK19 Engines

The QSK19 engines also benefit from the precise fit of the Exhaust Outlet Connector 4994738. This part is designed to handle the specific demands of these engines, ensuring a reliable seal and preventing any exhaust leaks. The connector’s robust construction ensures it can withstand the high temperatures and pressures typical of these engines.

CM850 Engines

In the CM850 engines, the Exhaust Outlet Connector 4994738 is a critical component that ensures the exhaust system operates efficiently. This part is designed to fit the unique design of the CM850 exhaust manifold, providing a secure and leak-free connection that is essential for maintaining engine performance.

MCRS Engines

The MCRS engines also require the Exhaust Outlet Connector 4994738 to maintain the integrity of the exhaust system. This part is specifically designed to fit the MCRS exhaust manifold, ensuring a tight seal that prevents exhaust leaks and maintains the efficiency of the engine’s exhaust system.

Role of Part 4994738 Exhaust Outlet Connector in Engine Systems

The Exhaust Outlet Connector, identified as part 4994738, is integral to the efficient operation of engine systems by ensuring a secure and reliable connection between the exhaust outlet and other components within the exhaust system.

This connector facilitates the transition of exhaust gases from the engine’s exhaust manifold to the exhaust pipe. It is designed to withstand high temperatures and pressures, maintaining the integrity of the exhaust flow.

In conjunction with the exhaust kit, the Exhaust Outlet Connector plays a significant role in reducing emissions and enhancing engine performance. It ensures that exhaust gases are directed away from the engine compartment efficiently, contributing to the overall effectiveness of the exhaust system.

The connection provided by this component is essential for the proper functioning of the exhaust system, allowing for the safe and efficient expulsion of exhaust gases from the engine.

Conclusion

The Exhaust Outlet Connector, part 4994738, is a vital component in the exhaust system of Cummins engines. Its role in facilitating efficient exhaust gas removal, reducing backpressure, and ensuring regulatory compliance underscores its importance in maintaining engine performance and efficiency. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engine models are key to leveraging the full benefits of this Cummins part.