4927629
Water Transfer Tube
Cummins®

The Cummins 4927629 Water Transfer Tube is a component designed to facilitate the efficient transfer of coolant within the cooling system of heavy-duty trucks. Its role is significant in maintaining the optimal operating temperature of the engine, thereby contributing to the overall performance and longevity of the vehicle ¹.

Basic Concepts of Water Transfer Tubes

A Water Transfer Tube is a conduit that allows coolant to move between different parts of the engine cooling system. This movement is vital for dissipating heat generated by the engine, ensuring that the temperature remains within safe operational limits. The tube connects various components, such as the radiator, engine block, and thermostat housing, creating a continuous flow path for the coolant ².

Purpose of the 4927629 Water Transfer Tube

This part plays a role in the operation of a truck by ensuring that coolant is effectively circulated throughout the engine. This circulation helps in maintaining optimal engine temperature, which is crucial for the engine’s efficiency and durability. By facilitating the transfer of coolant, the tube aids in preventing overheating, which can lead to engine damage ³.

Key Features

The 4927629 is characterized by its robust design and the materials used in its construction. It is typically made from durable materials that can withstand the high temperatures and pressures within the engine cooling system. The tube’s design ensures a secure fit and efficient coolant flow, with features such as precise threading and sealing surfaces to prevent leaks.

Benefits

The use of the 4927629 offers several benefits. It enhances coolant flow within the system, which contributes to more effective heat dissipation. This improved flow helps in protecting the engine from overheating, thereby extending its operational life. Additionally, the tube’s reliable design increases the overall reliability of the cooling system.

Installation Process

Installing this Cummins part involves several steps. First, ensure that the engine is cool and the cooling system is drained to prevent spills. Then, remove the old tube if replacing, and clean the mating surfaces. Apply a compatible sealant to the threads of the new tube before installation. Carefully thread the tube into place, ensuring it is snug but not overtightened to avoid damage. Finally, refill the cooling system with the appropriate coolant mixture and check for leaks.

Common Issues and Troubleshooting

Common issues with this part may include leaks or blockages. Leaks can often be traced to improper installation or wear and tear on the tube or its seals. Blockages may occur due to debris within the coolant system. Troubleshooting involves inspecting the tube and connections for signs of wear or damage, cleaning the system if necessary, and ensuring proper installation techniques are used.

Maintenance Tips

To ensure the longevity and optimal performance of the 4927629, regular maintenance is recommended. This includes periodic inspections for signs of wear, corrosion, or leaks. Cleaning the tube and its connections as part of routine coolant system maintenance can help prevent blockages. Additionally, using the correct type of coolant and maintaining the recommended coolant levels contribute to the tube’s efficient operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive industry, particularly in the production of diesel engines and components designed to enhance vehicle performance and efficiency.

Water Transfer Tube (Part 4927629) Compatibility with Cummins Engines

The Water Transfer Tube, identified by part number 4927629, is a critical component in the cooling systems of various Cummins engines. This part is designed to facilitate the transfer of coolant between different parts of the engine, ensuring efficient heat dissipation and maintaining optimal operating temperatures.

QSK60 Engine Series

In the QSK60 engine series, the Water Transfer Tube is integral to the engine’s cooling system. It connects the water pump to the radiator, allowing coolant to flow efficiently. This ensures that the engine remains within its operational temperature range, preventing overheating and potential damage.

CM850 Engine Series

For the CM850 engine series, the Water Transfer Tube is equally important. It is designed to handle the high-pressure coolant flow required by these engines. The tube’s robust construction and precise fitment ensure that the engine’s cooling system operates smoothly, even under heavy load conditions.

MCRS Engine Series

The MCRS engine series also benefits from the Water Transfer Tube. This part is engineered to withstand the specific demands of marine applications, where engines often operate in challenging environments. The tube’s design ensures reliable coolant flow, contributing to the engine’s overall durability and performance.

Grouping of Engines

The Water Transfer Tube (part 4927629) is compatible with the QSK60, CM850, and MCRS engine series. These engines, while differing in their specific applications and configurations, share a common requirement for efficient coolant transfer. The tube’s design and material are optimized to meet the demands of these engines, ensuring reliable performance across various operating conditions.

Conclusion

The 4927629 Water Transfer Tube is an integral component within the auxiliary cooling system of various engine setups. Its primary function is to facilitate the efficient transfer of coolant between the main engine cooling system and the auxiliary cooling system. This ensures that both systems maintain optimal operating temperatures, enhancing overall engine performance and longevity.

In the context of the auxiliary cooling system, the Water Transfer Tube connects to the thermostat housing, allowing coolant to flow from the engine’s primary cooling circuit into the auxiliary cooling loop. This loop often services additional components such as turbochargers, aftercoolers, or intercoolers, which require regulated temperatures to function effectively.

The tube also interfaces with the water pump, ensuring a consistent flow of coolant throughout the system. This connection is vital for maintaining pressure within the cooling circuits, which is essential for preventing overheating and ensuring that all components receive adequate cooling.

Furthermore, the Water Transfer Tube plays a role in the integration with the engine’s temperature sensor and control module. By providing a reliable pathway for coolant, it assists in the accurate monitoring of system temperatures, allowing the control module to make necessary adjustments to the cooling fan or thermostat as required.

In summary, the 4927629 is a key element in the efficient operation of the auxiliary cooling system, ensuring that all connected components receive the necessary coolant flow to maintain optimal performance and prevent overheating.