4003268
Water Transfer Tube
Cummins®

The Cummins 4003268 Water Transfer Tube is a critical component designed to facilitate the efficient transfer of coolant within the 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 ensures that coolant circulates effectively between the engine and the radiator, helping to dissipate heat generated during operation.

Basic Concepts of Water Transfer Tubes

A water transfer tube is a conduit within a truck’s cooling system that allows coolant to move between the engine and the radiator. Its function is to ensure that the coolant, which absorbs heat from the engine, is efficiently transported to the radiator where it can release this heat into the environment. This process is essential for maintaining engine temperature within safe operating limits, preventing overheating and potential engine damage ¹.

Purpose of the 4003268 Water Transfer Tube

The Cummins 4003268 specifically plays a role in the truck’s cooling system by enabling the smooth and uninterrupted flow of coolant between the engine and radiator. This facilitates effective heat exchange, ensuring that the engine remains at an optimal temperature regardless of the operating conditions. By maintaining a consistent coolant flow, the tube contributes to the overall efficiency and reliability of the engine cooling system.

Key Features

This Cummins part is constructed with durability and performance in mind. It is made from high-quality materials that resist corrosion and wear, ensuring long-lasting operation. The tube features secure connection types that prevent leaks and maintain the integrity of the cooling system. Additionally, its design includes features that enhance coolant flow, such as smooth internal surfaces and precise dimensions, which contribute to its effectiveness in demanding environments.

Benefits

The advantages provided by the 4003268 include improved coolant flow, which leads to more efficient heat dissipation from the engine. This enhanced coolant circulation contributes to better engine protection against overheating, extending the engine’s operational life. The tube’s robust construction and design also increase the reliability of the cooling system, ensuring consistent performance even under challenging conditions.

Installation Considerations

When installing the 4003268, it is important to follow guidelines and best practices to ensure compatibility with specific truck models and engine types. Preparatory steps may include inspecting the existing cooling system for any damage or wear that could affect the installation. Ensuring that all connections are secure and that the tube is properly aligned within the system are critical for optimal performance.

Maintenance and Troubleshooting

Routine maintenance of the 4003268 is recommended to ensure optimal performance. This includes regular inspection for signs of wear, corrosion, or leaks. Cleaning the tube and its connections can prevent buildup that might impede coolant flow. Replacement intervals should be observed based on the manufacturer’s guidelines or as dictated by the operating conditions. Troubleshooting common issues such as leaks or blockages involves checking connections, inspecting for damage, and ensuring that the tube is free from obstructions.

Performance in Various Operating Conditions

The 4003268 is designed to perform effectively under a range of operating conditions, including extreme temperatures, heavy loads, and off-road environments. Its construction and design features allow it to maintain efficient coolant flow and heat dissipation in these challenging scenarios. Considerations for optimizing its effectiveness may include regular maintenance and ensuring that the cooling system is in good condition to support the tube’s function.

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 serves commercial truck, bus, construction, agricultural, and industrial markets. The company is known for its commitment to customer satisfaction, providing reliable and efficient products that meet the demanding needs of its customers. Cummins’ extensive product offerings and reputation in the industry underscore its dedication to advancing technology and improving the performance of power systems.

Water Transfer Tube Part 4003268 in Cummins Engines

The Water Transfer Tube part number 4003268, manufactured by Cummins, is a critical component in the cooling system of various Cummins engines. This part is designed to facilitate the efficient transfer of coolant between different parts of the engine, ensuring optimal thermal management and performance.

K19 Engines

In the K19 engine series, the Water Transfer Tube part 4003268 plays a pivotal role in maintaining the engine’s operational temperature. This tube connects the water pump to the radiator, allowing for the continuous circulation of coolant. Proper installation and maintenance of this part are essential to prevent overheating and ensure the longevity of the engine.

Grouping of Engines

The Water Transfer Tube part 4003268 is also compatible with other Cummins engines that share similar design and cooling system architecture. These engines benefit from the efficient coolant transfer provided by this part, ensuring that the engine operates within its optimal temperature range. The compatibility of this part across multiple engine models highlights its versatility and importance in Cummins’ engine lineup.

Role of Part 4003268 Water Transfer Tube in Engine Systems

The 4003268 is an essential component in the efficient operation of various engine systems. It is specifically designed to facilitate the smooth transfer of water between different parts of the engine, ensuring optimal performance and longevity of the engine components.

Integration with Front Water Crossover Connection

The Water Transfer Tube connects to the Front Water Crossover Connection, allowing for the uninterrupted flow of water. This connection is vital for maintaining consistent water levels across the engine, which is necessary for effective cooling and lubrication of moving parts.

Interaction with Manifold

When integrated with the Manifold, the Water Transfer Tube plays a significant role in regulating the temperature of the air-fuel mixture. By ensuring a steady supply of water, it helps in maintaining the desired temperature levels, which is essential for efficient combustion and overall engine performance.

Contribution to Water Management

In the broader context of water management within the engine, the Water Transfer Tube ensures that water is evenly distributed. This is particularly important in preventing hotspots and ensuring that all parts of the engine receive adequate cooling.

Role in Turbocharger Cooling Service Kit

As part of the Turbocharger Cooling Service Kit, the Water Transfer Tube is instrumental in dissipating heat from the turbocharger. By efficiently transferring water to and from the turbocharger, it helps in maintaining optimal operating temperatures, thereby enhancing the turbocharger’s efficiency and durability.

Conclusion

In summary, the 4003268 is a key component in the intricate water management system of engine operations, ensuring that all interconnected parts function seamlessly and efficiently. Its role in maintaining optimal engine temperature, facilitating efficient coolant flow, and contributing to the overall reliability of the cooling system underscores its importance in the performance and longevity of Cummins engines.