3866480
Water Transfer Connection
Cummins®

DISCONTINUED

Cummins®

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 Water Transfer Connection (Part #3866480) by Cummins is a component designed to facilitate the efficient transfer of coolant within the engine cooling system of commercial trucks. Its role is significant in maintaining optimal engine temperature, which is vital for the performance and longevity of the engine. This part is engineered to ensure that coolant circulates effectively, thereby supporting the overall efficiency and reliability of the truck’s engine 1.

Basic Concepts of Water Transfer Connection

Water transfer connections in commercial trucks are integral to the cooling system. They enable the movement of coolant from the engine to the radiator and back, ensuring that heat generated by the engine is dissipated efficiently. These connections are typically made of durable materials to withstand the pressures and temperatures within the cooling system. Their design allows for a secure fit, minimizing the risk of leaks and ensuring consistent coolant flow 2.

Purpose of the Water Transfer Connection

This part plays a specific role in the operation of a truck by facilitating the transfer of coolant between the engine and the radiator. It ensures that coolant is circulated effectively, which helps in maintaining the engine at an optimal operating temperature. By doing so, it contributes to the overall efficiency of the engine cooling system, preventing overheating and potential engine damage.

Key Features

The Water Transfer Connection is characterized by several key features that enhance its performance. Its design incorporates precision engineering to ensure a secure and leak-proof connection. The materials used in its construction are chosen for their durability and resistance to corrosion, ensuring long-term reliability. Additionally, the connection is designed to accommodate the specific requirements of the engine cooling system it serves, providing a tailored fit and function.

Benefits

The advantages provided by the Water Transfer Connection include improved cooling efficiency, which contributes to the overall performance of the engine. Its durable construction ensures reliability under various operating conditions, reducing the likelihood of failure. The secure connection it provides minimizes the risk of coolant leaks, which can lead to engine overheating and potential damage.

Installation Process

Proper installation of the Water Transfer Connection involves several steps to ensure it functions correctly within the engine cooling system. First, the area where the connection will be installed should be cleaned to remove any debris or old sealant. The connection should then be aligned with the corresponding ports on the engine and radiator. Using the appropriate tools, it should be tightened to the manufacturer’s specified torque settings to ensure a secure fit without over-tightening, which could damage the connection or the ports.

Common Issues and Troubleshooting

Typical problems that may arise with the Water Transfer Connection include leaks, which can occur due to improper installation, corrosion, or damage to the connection. Troubleshooting steps may involve inspecting the connection for signs of wear or damage, ensuring it is properly tightened, and checking for any obstructions in the coolant flow. If a leak is detected, the connection may need to be replaced or repaired to restore the integrity of the cooling system.

Maintenance Tips

To ensure the optimal performance and longevity of the Water Transfer Connection, routine maintenance practices should be followed. This includes regular inspection of the connection for signs of wear, corrosion, or leaks. Cleaning the connection and surrounding areas can prevent the buildup of debris that may obstruct coolant flow. Additionally, following the manufacturer’s recommendations for coolant type and change intervals can contribute to the overall health of the engine cooling system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and performance in the commercial truck industry. The company offers a wide range of products and services designed to meet the diverse needs of its customers, from heavy-duty trucks to light-duty vehicles and power generation applications.

Cummins Water Transfer Connection Part 3866480

The Cummins Water Transfer Connection part number 3866480 is a critical component in the cooling system of certain Cummins engines. This part is designed to facilitate the transfer of water between different parts of the engine’s cooling system, ensuring efficient heat dissipation and maintaining optimal engine temperature.

Application in Cummins Engines

The part 3866480 is specifically engineered to fit seamlessly within the cooling systems of the following Cummins engines:

  • 6B5.9

This part is integral in managing the flow of coolant, which is essential for preventing overheating and ensuring the longevity of the engine. The design and material of the part are tailored to withstand the high pressures and temperatures typically encountered in engine environments.

Compatibility and Integration

When integrating the Cummins Water Transfer Connection part 3866480 into the engine’s cooling system, it is crucial to ensure proper alignment and secure attachment. This part is typically installed in conjunction with other cooling system components, such as hoses, pumps, and radiators, to create a cohesive and efficient cooling network.

Importance in Engine Performance

The effective operation of the water transfer connection is vital for maintaining the engine’s performance. By ensuring that coolant is adequately circulated, this part helps in:

  • Preventing engine overheating
  • Maintaining consistent engine temperature
  • Enhancing overall engine efficiency

The part 3866480 is designed to meet the stringent requirements of Cummins engines, ensuring reliability and durability in demanding conditions.

Role of Part 3866480 Water Transfer Connection in Engine Systems

The part 3866480 Water Transfer Connection is integral to the efficient operation of various engine components, particularly in systems involving aftercoolers and turbochargers.

Integration with Aftercooler

In systems equipped with an aftercooler, the 3866480 Water Transfer Connection facilitates the transfer of cooling water between the aftercooler and the engine’s cooling system. This ensures that the compressed air from the turbocharger is adequately cooled before entering the engine’s combustion chambers. Proper cooling of the air enhances engine efficiency and performance by reducing the temperature of the intake air, which in turn increases air density and allows for more efficient combustion.

Use in Aftercooler Conversion Kit

When an aftercooler conversion kit is installed, the 3866480 Water Transfer Connection plays a significant role in establishing a reliable water flow path. This connection is essential for retrofitting engines to include aftercooling capabilities. It ensures that the newly added aftercooler receives a consistent supply of cooling water, which is vital for the effective operation of the conversion kit. The connection must be securely fitted to prevent leaks and maintain the integrity of the cooling system.

Turbocharger Location Considerations

The placement of the turbocharger in the engine system also influences the role of the 3866480 Water Transfer Connection. In setups where the turbocharger is positioned upstream of the aftercooler, the connection ensures that the cooling water is efficiently circulated to manage the heat generated by the turbocharger. This is particularly important in high-performance engines where turbochargers operate at elevated temperatures. The water transfer connection helps in maintaining optimal turbocharger temperatures, thereby enhancing the longevity and reliability of the turbocharger.

Conclusion

In summary, the 3866480 Water Transfer Connection is a key component in ensuring the effective operation of aftercoolers and turbochargers within engine systems. Its proper installation and maintenance are essential for achieving peak engine performance and reliability.


  1. Boyce, M. P. (2002). Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing.

  2. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
8.1 x 7.3 x 2.75 in
Weight
4.19 lbs
* 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.