3966492
Exhaust Cooler Water Outlet Tube
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$64.95 $77.29

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

Introduction

The Exhaust Cooler Water Outlet Tube, identified by part number 3966492, is a component manufactured by Cummins, a leader in diesel engine technology. This tube is integral to the exhaust gas recirculation (EGR) cooling system in heavy-duty truck engines. Its role is to facilitate the flow of coolant, which helps regulate exhaust temperatures and improve engine efficiency. The application of this tube is widespread in commercial trucks, where maintaining optimal engine performance and emission standards is crucial.

Basic Concepts and Functionality

The Exhaust Cooler Water Outlet Tube plays a role in the EGR cooling system by directing coolant flow. This system is designed to recirculate a portion of the exhaust gas back into the engine’s intake, which lowers the combustion temperature and reduces nitrogen oxides (NOx) emissions. The tube ensures that coolant is efficiently circulated through the EGR cooler, maintaining the desired temperature levels and enhancing the overall efficiency of the engine 1.

Purpose and Operation

In the context of a truck’s EGR system, the Exhaust Cooler Water Outlet Tube serves to reduce NOx emissions by cooling the recirculated exhaust gases before they enter the engine. This cooling process is vital for meeting emission standards and improving engine performance. By maintaining lower temperatures in the combustion chamber, the tube contributes to a more efficient and cleaner-running engine 2.

Key Features

The design and construction of the Exhaust Cooler Water Outlet Tube are tailored for durability and effectiveness. It is typically made from high-quality materials that resist corrosion and withstand high temperatures. The tube features secure connection types, ensuring a reliable fit within the EGR system. Its unique attributes, such as reinforced sections and precise engineering, enhance its longevity and performance in demanding environments.

Benefits

Utilizing the Exhaust Cooler Water Outlet Tube in heavy-duty truck engines offers several advantages. It contributes to improved emission control by effectively reducing NOx emissions. Additionally, the tube enhances engine longevity by maintaining optimal operating temperatures. Furthermore, it plays a role in increasing fuel efficiency, as a well-regulated EGR system allows the engine to operate more efficiently 3.

Installation and Integration

Proper installation of the Exhaust Cooler Water Outlet Tube is crucial for the EGR system’s optimal performance. It should be securely fitted within the system, ensuring all connections are tight and leak-free. Integration with other components, such as the EGR cooler and the engine’s coolant system, must be carefully executed to ensure seamless operation and maximum efficiency.

Troubleshooting and Maintenance

Common issues with the Exhaust Cooler Water Outlet Tube may include leaks, blockages, or corrosion. Regular inspection and cleaning are recommended to maintain its efficiency. Troubleshooting steps may involve checking for proper fitment, ensuring no leaks are present, and verifying that the coolant flow is unobstructed. Maintenance of the tube is key to ensuring the longevity and effectiveness of the EGR system.

Performance Impact

The Exhaust Cooler Water Outlet Tube has a noticeable impact on the overall performance of the truck’s engine. By effectively managing exhaust temperatures and facilitating the EGR process, it contributes to significant emission reductions. It also plays a role in engine temperature management, ensuring the engine operates within optimal temperature ranges. Furthermore, the tube’s efficient operation can lead to improvements in fuel consumption, benefiting both the environment and the operator’s bottom line.

Cummins: Manufacturer Overview

Cummins Inc. is a renowned manufacturer in the diesel engine and component production industry. With a rich history of innovation and quality, Cummins has established itself as a leader in providing reliable and efficient engine solutions. Their commitment to advancing technology and maintaining high standards in the automotive industry is evident in their wide range of products, including the Exhaust Cooler Water Outlet Tube.

Exhaust Cooler Water Outlet Tube for Cummins Engines

The Exhaust Cooler Water Outlet Tube, part number 3966492, manufactured by Cummins, is a critical component in the cooling systems of certain Cummins engines. This part is designed to facilitate the efficient transfer of heat from the exhaust cooler to the engine’s cooling system, ensuring optimal operating temperatures and enhancing engine longevity.

ISB CM850

The ISB CM850 engine is one of the models that utilize the Exhaust Cooler Water Outlet Tube. This engine is known for its robust performance and reliability, making it a popular choice in various heavy-duty applications. The integration of the Exhaust Cooler Water Outlet Tube in the ISB CM850 ensures that the exhaust gases are effectively cooled before they are expelled, which helps in maintaining the engine’s efficiency and reducing thermal stress.

Grouping of Engines

In addition to the ISB CM850, the Exhaust Cooler Water Outlet Tube is compatible with other Cummins engines that share similar design and cooling system requirements. These engines often include:

  • ISB 6.7
  • QSK 50
  • QSK 60

These engines, like the ISB CM850, benefit from the precise engineering of the Exhaust Cooler Water Outlet Tube, ensuring that the cooling system operates at peak efficiency. The compatibility of this part across multiple engine models highlights its versatility and importance in maintaining the integrity of the engine’s cooling system.

Role of Part 3966492 Exhaust Cooler Water Outlet Tube in Engine Systems

The Exhaust Cooler Water Outlet Tube, identified by part number 3966492, is an essential component in the integration of exhaust recirculation water systems within engine setups. This tube facilitates the controlled flow of water from the exhaust cooler, ensuring efficient thermal management and optimal performance of the engine.

Integration with Plumbing Systems

In the context of engine plumbing, the 3966492 tube serves as a vital conduit. It connects the exhaust cooler to the broader water circulation network, allowing for the precise regulation of water flow. This regulated flow is paramount in maintaining the desired temperature levels within the engine, thereby enhancing its longevity and operational efficiency.

Function within Exhaust Recirculation Water Systems

When considering exhaust recirculation water systems, the role of the 3966492 tube becomes even more pronounced. It ensures that the water used in the cooling process is effectively recirculated back into the system. This recirculation is key to sustaining a consistent cooling effect, which is essential for the reduction of exhaust temperatures and the mitigation of thermal stress on engine components.

The tube’s design and placement are meticulously engineered to withstand the pressures and temperatures inherent in these systems, ensuring reliable performance under varying operational conditions. Its integration into the exhaust recirculation water system not only aids in thermal management but also contributes to the overall efficiency of the engine by facilitating a more controlled and consistent cooling process.

Conclusion

The Exhaust Cooler Water Outlet Tube (part number 3966492) by Cummins is a vital component in the EGR cooling system of heavy-duty truck engines. It plays a significant role in managing exhaust temperatures, reducing emissions, and enhancing engine efficiency. Proper installation, regular maintenance, and understanding its function within the engine system are crucial for optimal performance and longevity of the engine.


  1. Denton, T., & Pells, H. (2022). Automotive Technician Training Theory. Routledge.

  2. Sheng, G. (2012). Vehicle Noise, Vibration and Sound Quality. SAE International.

  3. Pulkrabek, W. W. (2014). Engineering Fundamentals of the Internal Combustion Engine. Pearson Education.

SPECIFICATIONS

Package Dimensions
14.5 x 3.25 x 2.625 in
Weight
0.6 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.