3866516
Exhaust Outlet Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$10,999.95 $13,089.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Exhaust Outlet Connection Assembly, part number 3866516, manufactured by Cummins, is a component designed for use in heavy-duty truck operations. Cummins, a well-established name in the automotive and heavy-duty truck industries, produces this assembly to enhance the efficiency and performance of exhaust systems in trucks. This Cummins part is integral to the overall functionality of the exhaust system, ensuring that exhaust gases are effectively managed and directed away from the engine.

Function and Operation

The Exhaust Outlet Connection Assembly operates within the exhaust system of a heavy-duty truck by facilitating the transfer of exhaust gases from the engine to the exhaust pipe. It plays a role in the system by providing a secure and efficient connection point, ensuring that gases are directed away from the engine compartment. This assembly is designed to withstand high temperatures and pressures, maintaining the integrity of the exhaust flow and contributing to the overall efficiency of the engine 1.

Key Features

The Exhaust Outlet Connection Assembly 3866516 is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and high temperatures. The design incorporates precise engineering to provide a secure fit and efficient exhaust flow. Additionally, it features unique characteristics such as reinforced connections and heat-resistant coatings, which contribute to its longevity and reliability in demanding operating conditions 2.

Benefits

The use of the Exhaust Outlet Connection Assembly offers several advantages. It contributes to improved exhaust flow, which can lead to reduced emissions and enhanced engine performance. The assembly’s design helps in maintaining the efficiency of the exhaust system, potentially leading to better fuel economy. Furthermore, its durable construction ensures longevity, reducing the need for frequent replacements and maintenance 3.

Installation Process

Installing the Exhaust Outlet Connection Assembly requires careful attention to detail to ensure optimal performance. The process involves securing the assembly to the exhaust manifold and connecting it to the exhaust pipe. It is important to follow manufacturer guidelines for torque specifications and connection procedures to ensure a secure and efficient installation. Proper alignment and sealing are crucial to prevent leaks and ensure the assembly functions as intended.

Maintenance and Troubleshooting

Regular maintenance of the Exhaust Outlet Connection Assembly is important to ensure its continued performance and longevity. This includes periodic inspections for signs of wear, corrosion, or damage. Common issues may include leaks or loose connections, which can be addressed by tightening connections or replacing damaged parts. Following manufacturer recommendations for maintenance intervals and procedures will help in identifying and resolving potential issues before they lead to more significant problems.

Safety Considerations

When working with the Exhaust Outlet Connection Assembly, it is important to adhere to safety guidelines to protect personnel and equipment. This includes wearing appropriate personal protective equipment, ensuring the engine is cool before beginning work, and following proper handling and installation procedures. Additionally, being aware of the high temperatures and pressures involved in the exhaust system is crucial to prevent injuries and ensure safe operation.

Environmental Impact

The Exhaust Outlet Connection Assembly contributes to environmental sustainability by supporting efficient exhaust management in heavy-duty trucks. Improved exhaust flow and reduced emissions are direct benefits of using this assembly, aligning with efforts to minimize the environmental footprint of transportation. Additionally, by enhancing engine performance and fuel efficiency, it indirectly supports a more sustainable operation of heavy-duty vehicles.

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 has established a reputation for quality, innovation, and reliability in the automotive and heavy-duty truck industries. The company’s commitment to excellence is reflected in its diverse product offerings and its focus on meeting the evolving needs of its customers.

Exhaust Outlet Connection Assembly (Part 3866516) by Cummins

The Exhaust Outlet Connection Assembly, identified by the part number 3866516 and manufactured by Cummins, is a critical component in the engine’s exhaust system. This part is designed to facilitate the connection between the exhaust manifold and the exhaust pipe, ensuring a secure and efficient transfer of exhaust gases from the engine to the exhaust system.

Compatibility with Cummins Engines

The Exhaust Outlet Connection Assembly is engineered to fit seamlessly with various Cummins engines, including but not limited to the following models:

  • K50 Series: This assembly is specifically designed to integrate with the K50 series engines, providing a robust connection that can withstand the high temperatures and pressures associated with engine operation. The design ensures minimal exhaust leaks, contributing to the overall efficiency and performance of the engine.

  • Other Cummins Engines: While the primary focus is on the K50 series, this part is also compatible with other Cummins engines that share similar exhaust system configurations. The universal design allows for easy installation and compatibility across multiple engine models, making it a versatile choice for engine maintenance and repair.

The Exhaust Outlet Connection Assembly is a testament to Cummins’ commitment to quality and durability, ensuring that the exhaust system operates efficiently and reliably.

Role of Part 3866516 Exhaust Outlet Connection Assembly in Engine Systems

The Exhaust Outlet Connection Assembly, identified by part number 3866516, is an integral component within the engine system, facilitating the secure and efficient transfer of exhaust gases from the engine to the exhaust system. This assembly is designed to connect the exhaust manifold to the exhaust pipe, ensuring a tight seal that prevents exhaust leaks.

Integration with Key Components

  1. Exhaust Manifold: The assembly interfaces directly with the exhaust manifold, which collects exhaust gases from the engine’s cylinders. A precise fit is essential to maintain the integrity of the exhaust flow and to withstand the high temperatures and pressures generated by the engine.

  2. Exhaust Pipe: On the other end, the assembly connects to the exhaust pipe, which carries the exhaust gases away from the engine. This connection must be robust to handle the vibrations and thermal expansion that occur during engine operation.

  3. Connection Insulation: To protect surrounding components and improve overall engine efficiency, the assembly often incorporates insulation materials. These materials help reduce heat transfer to adjacent parts, minimizing thermal stress and enhancing the durability of the exhaust system.

  4. Exhaust Outlet Connection: The assembly itself includes an exhaust outlet connection, which is specifically designed to align with the exhaust manifold’s outlet. This ensures a seamless transition of exhaust gases, reducing the risk of backpressure that could affect engine performance.

Functional Benefits

  • Seal Integrity: The assembly ensures a reliable seal between the exhaust manifold and the exhaust pipe, which is vital for maintaining engine efficiency and reducing emissions.

  • Thermal Management: By incorporating insulation, the assembly helps manage the extreme temperatures within the exhaust system, protecting other engine components from heat damage.

  • Vibration Dampening: The design of the assembly accounts for the dynamic environment of the engine, providing stability and reducing the likelihood of connection failure due to vibrations.

Conclusion

In summary, the Exhaust Outlet Connection Assembly (part 3866516) plays a significant role in the efficient and safe operation of the engine’s exhaust system, ensuring proper exhaust flow, thermal management, and structural integrity. Its design and features contribute to improved engine performance, reduced emissions, and enhanced fuel efficiency, making it a critical component in the maintenance and operation of heavy-duty trucks.


  1. Boyce, Meherwan P. Gas Turbine Engineering Handbook 4th Edition. Butterworth-Heinemann, 2011.

  2. Van Gelder, Kirk T. Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning, 2018.

  3. Robert Bosch GmbH. Bosch Automotive Handbook 9th Edition. Robert Bosch GmbH, 2014.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
67.0 x 66.0 x 38.0 in
Weight
54 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.