5260318
Water Transfer Connection
Cummins®

This article provides an overview of the Water Transfer Connection, Cummins part #5260318. It explains the function, purpose, and key features of this component within the context of commercial truck operations.

Basic Concepts of Water Transfer Connection

A Water Transfer Connection is a component used in the cooling systems of heavy-duty trucks. It facilitates the transfer of coolant between different parts of the cooling system, ensuring efficient heat dissipation from the engine and other critical components. The connection typically includes fittings, hoses, and sometimes valves or sensors to regulate the flow of coolant ¹.

Purpose of the 5260318 Water Transfer Connection

The 5260318 Water Transfer Connection by Cummins plays a role in the truck’s cooling system by providing a secure and efficient pathway for coolant transfer. It connects various components such as the engine, radiator, and other heat exchangers, allowing for consistent coolant circulation which helps maintain optimal engine temperature and performance ¹.

Key Features

• Durable construction to withstand high pressure and temperature variations.
• Precision-engineered fittings to ensure a leak-free connection.
• Compatibility with standard coolant hoses and other components.
• Designed for easy installation and maintenance.

Benefits

• Enhances the reliability of the cooling system by ensuring consistent coolant flow.
• Contributes to the longevity of engine components by maintaining optimal operating temperatures.
• Reduces the risk of overheating and related engine damage.
• Simplifies maintenance procedures with its robust and easy-to-install design.

Troubleshooting and Maintenance

Regular inspection of the Water Transfer Connection is recommended to identify any signs of wear, leaks, or corrosion. Maintenance procedures may include:

• Checking for loose fittings or hoses.
• Ensuring there are no cracks or damage to the connection.
• Replacing the connection if any significant wear or damage is detected.
• Following manufacturer guidelines for periodic replacement to prevent failures ¹.

Compatibility with Cummins Engines

This part is designed to integrate seamlessly with a variety of Cummins engine models. Specifically, it fits with the following engines:

• F2.8 CM2620 F135B
• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129
• QSF2.8 CM2880 F104
• QSF2.8 CM2880 F105
• QSF2.8 CM2880 F108
• QSF2.8 CM2880 F114
• R2.8 CM2220 R101B

The compatibility of the part across these engines underscores its versatility and the importance of its role in the engine’s cooling system ².

Role of Part 5260318 in Engine Systems

The 5260318 Water Transfer Connection is an integral component in the efficient operation of various engine systems. It facilitates the seamless transfer of water between different components, ensuring optimal performance and longevity of the engine.

Integration with the Lubricating Oil Cooler Module

The Water Transfer Connection interfaces directly with the Lubricating Oil Cooler Module. This module relies on a consistent flow of water to maintain the oil at an optimal temperature. The connection ensures that water is efficiently circulated through the cooler, preventing overheating and maintaining the viscosity of the lubricating oil.

Interaction with the Cabin Heater

In systems where the cabin heater is water-based, the Water Transfer Connection plays a significant role. It ensures that heated water from the engine is effectively transferred to the cabin heater core. This results in efficient warming of the vehicle’s interior, enhancing passenger comfort.

Coordination with the Pump

The efficiency of the water pump is augmented by the Water Transfer Connection. It ensures that the pump can draw water effectively from the coolant reservoir and distribute it throughout the engine cooling system. This consistent flow is essential for maintaining engine temperature within safe operating limits.

Role in the Front Cylinder Block and Front Gear Cover

Within the front cylinder block and front gear cover, the Water Transfer Connection aids in dissipating heat generated by friction and combustion. By ensuring a steady flow of coolant, it helps in maintaining the structural integrity and operational efficiency of these components.

Contribution to the Engine Oil System

Although primarily a water transfer component, the connection indirectly supports the engine oil system. By keeping the engine at an optimal temperature, it ensures that the engine oil retains its lubricating properties, reducing wear and tear on moving parts.

Plumbing and Overall System Efficiency

The Water Transfer Connection is a key element in the overall plumbing of the engine’s cooling system. It ensures that all components receive the necessary flow of coolant, contributing to the system’s efficiency and reliability. Proper water transfer is essential for the prevention of hotspots and ensuring uniform cooling across the engine ².

Conclusion

The Water Transfer Connection, Cummins part #5260318, is a critical component in the cooling systems of heavy-duty trucks. Its durable construction, precision-engineered fittings, and compatibility with various engine models make it an essential part for maintaining optimal engine temperature and performance. Regular maintenance and inspection are recommended to ensure the longevity and efficiency of the cooling system.