3682870
Water Outlet Tube
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$81.95 $97.52

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 Cummins 3682870 Water Outlet Tube is a component designed to facilitate the efficient operation of the cooling system in heavy-duty trucks. Its role is to direct coolant flow from the engine to the radiator, ensuring that the engine maintains an optimal operating temperature. This part is integral to the cooling system, contributing to the overall performance and longevity of the engine.

Basic Concepts of Water Outlet Tubes

A Water Outlet Tube is a conduit within the engine cooling system that channels coolant from the engine to the radiator. Its function is to ensure that the coolant, after absorbing heat from the engine, is effectively transported to the radiator where it can be cooled before returning to the engine. This continuous circulation helps maintain the engine at a stable temperature, which is vital for efficient operation and longevity 1.

Purpose of the 3682870 Water Outlet Tube

The 3682870 Water Outlet Tube specifically serves to direct the flow of coolant from the engine to the radiator in heavy-duty trucks. By ensuring a consistent and efficient flow of coolant, it plays a role in the engine cooling system by helping to regulate engine temperature. This regulation is crucial for preventing overheating, which can lead to engine damage and reduced performance 2.

Key Features

The design and construction of the 3682870 Water Outlet Tube incorporate several features that enhance its performance and durability. It is made from materials that are resistant to corrosion and high temperatures, ensuring longevity in demanding conditions. The tube features secure connection types that prevent leaks and ensure a tight fit within the cooling system. Additionally, its design may include unique attributes that improve coolant flow and reduce the risk of blockages.

Benefits

Using the 3682870 Water Outlet Tube offers several advantages. It improves coolant flow within the system, which enhances engine protection by maintaining optimal operating temperatures. This consistent temperature regulation contributes to increased reliability, especially in demanding conditions where the engine is under significant stress 3.

Installation Process

Installing the 3682870 Water Outlet Tube requires careful attention to detail to ensure a secure and effective fit. Preparatory steps include ensuring the engine is cool and the cooling system is drained. The necessary tools for installation may include wrenches and sealants. Following the manufacturer’s guidelines for installation is recommended to achieve the best results. This process typically involves positioning the tube, securing it in place, and ensuring all connections are tight to prevent leaks.

Common Issues and Troubleshooting

Typical problems associated with Water Outlet Tubes include leaks or blockages. Leaks can often be identified by coolant loss or visible signs of coolant around the tube’s connections. Blockages may result in reduced coolant flow, leading to overheating. Troubleshooting these issues involves inspecting the tube and connections for signs of wear or damage, cleaning or replacing parts as necessary, and ensuring all connections are secure.

Maintenance Tips

Regular maintenance of the 3682870 Water Outlet Tube is important for prolonging its lifespan. This includes periodic inspections for signs of wear, corrosion, or leaks. Cleaning the tube and its connections can prevent buildup that may lead to blockages. Knowing when to consider replacement is also crucial; if the tube shows significant signs of wear or if leaks cannot be effectively sealed, replacement may be necessary to ensure the cooling system’s efficiency.

About Cummins

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 heavy-duty truck industry. The company’s product range includes a variety of components designed to enhance the performance, efficiency, and reliability of heavy-duty vehicles. The 3682870 Water Outlet Tube is part of Cummins’ commitment to providing high-quality, reliable components for the automotive industry.

Water Outlet Tube Part 3682870 Compatibility with Cummins Engines

The Water Outlet Tube part number 3682870, manufactured by Cummins, is designed to fit seamlessly within a range of Cummins engines, ensuring optimal thermal management and engine efficiency. This part is integral to the cooling system of these engines, facilitating the flow of coolant from the engine block to the radiator.

ISX CM870 Engines

The ISX CM870 engine series, known for its robust performance and reliability, incorporates the Water Outlet Tube part 3682870 as a critical component of its cooling system. This part ensures that the coolant is efficiently directed from the engine block to the radiator, maintaining the engine’s optimal operating temperature and preventing overheating. The design of the Water Outlet Tube in this engine series is engineered to withstand the high pressures and temperatures typical of heavy-duty applications, ensuring durability and longevity.

Grouping of Compatible Engines

While the ISX CM870 is a notable example, the Water Outlet Tube part 3682870 is also compatible with other Cummins engine models that share similar design and operational parameters. These engines, which may include various configurations and power outputs, benefit from the precise engineering of this part, ensuring that coolant flow is maintained at the required levels for efficient engine operation.

The integration of the Water Outlet Tube part 3682870 into these engines is a testament to Cummins’ commitment to providing high-quality, reliable components that enhance engine performance and longevity. This part’s compatibility across multiple engine models underscores its versatility and the importance of selecting the correct components for engine maintenance and repair.

Role of Part 3682870 Water Outlet Tube in Engine Systems

The Water Outlet Tube, identified by part number 3682870, is an integral component in the thermal management system of an engine. It facilitates the circulation of coolant from the engine block to the radiator, ensuring that the engine operates within optimal temperature ranges.

Interaction with Recirculation System

In engines equipped with a recirculation system, the Water Outlet Tube plays a significant role. It directs the flow of coolant back into the engine after it has been cooled in the radiator. This recirculation ensures that the engine maintains a consistent temperature, preventing overheating and enhancing overall engine efficiency. The tube’s precise placement and connection to the recirculation pathways are essential for maintaining the correct coolant flow rate and pressure.

Contribution to Exhaust System

Although the Water Outlet Tube primarily deals with the coolant system, its efficient operation indirectly impacts the exhaust system. Proper coolant circulation helps in maintaining engine temperature, which in turn ensures that the exhaust gases are expelled at the correct temperature. This is particularly important in engines where the exhaust gas recirculation (EGR) system is employed. The EGR system relies on precise temperature control to function effectively, and the Water Outlet Tube contributes to this by ensuring that the engine does not overheat, thus allowing the EGR system to operate within its designed parameters.

Conclusion

In summary, the Water Outlet Tube (part 3682870) is a key component in the coolant circulation system, directly influencing the recirculation process and indirectly supporting the exhaust system through temperature management. Its role in maintaining optimal engine temperature is crucial for the efficient operation and longevity of heavy-duty engines.


  1. Reif, Konrad. Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer, 2014.

  2. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

  3. Ferrari, Alessandro, and Pietro Pizzo. Injection Technologies: Mixture Formation Strategies. SAE International, 2022.

SPECIFICATIONS

Notes
Sold in higher level assembly
Package Dimensions
6.0 x 1.625 x 1.5 in
Weight
0.18 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.