3979396
Water Transfer Tube
Cummins®

Introduction

The Cummins 3979396 Water Transfer Tube is a vital component in the cooling systems of commercial trucks, specifically designed to facilitate the transfer of coolant between the engine and the radiator. This ensures that the engine operates within optimal temperature ranges, which is essential for the longevity and efficiency of the vehicle ¹.

Basic Concepts of Water Transfer Tubes

A Water Transfer Tube is integral to the cooling system, allowing coolant to circulate between the engine and the radiator. This circulation is crucial for maintaining a consistent engine temperature by transferring heat away from the engine to the radiator, where it can be dissipated. This process is fundamental in preventing engine overheating and ensuring efficient engine operation ².

Purpose of the Cummins 3979396 Water Transfer Tube

The Cummins 3979396 Water Transfer Tube is engineered to enhance the efficiency of the cooling system in commercial trucks. It ensures the transfer of coolant between the engine and radiator, maintaining the engine at an optimal operating temperature. This component is essential for the cooling process, protecting the engine from overheating and potential damage ³.

Key Features

This Cummins part is constructed from durable materials resistant to corrosion and high temperatures. Its design includes precise fittings and connections for a secure and leak-free installation. The tube may also feature reinforced sections to withstand the pressures and temperatures within the cooling system ⁴.

Benefits

The use of the Cummins 3979396 Water Transfer Tube improves coolant flow within the system, enhancing the engine’s cooling efficiency. This results in better engine protection against overheating, especially under demanding conditions. The tube’s reliable construction contributes to the overall durability and performance of the truck’s cooling system ⁵.

Installation Considerations

Proper installation of this part is crucial for its effective operation. It should be fitted according to the manufacturer’s specifications, with careful attention to alignment and securing methods. Ensuring a proper seal at all connection points is vital to prevent leaks and maintain the integrity of the cooling system ⁶.

Troubleshooting Common Issues

Common issues with Water Transfer Tubes can include leaks or blockages. These problems can often be identified through visual inspection or by monitoring the cooling system’s performance. Troubleshooting steps may involve checking connection points for leaks, ensuring there are no obstructions in the tube, and verifying that the tube is properly aligned and secured ⁷.

Maintenance Tips

Regular maintenance of the Cummins 3979396 Water Transfer Tube is recommended to prolong its lifespan. This includes periodic inspections for signs of wear or damage, cleaning the tube and its connections to remove any buildup, and following the manufacturer’s guidelines for replacement intervals. Proper maintenance helps ensure the cooling system’s reliability and efficiency ⁸.

Cummins Overview

Cummins Inc. is renowned in the commercial truck industry for its diesel engines and related technologies. The company’s history of innovation and quality is reflected in its product lineup, including the 3979396 Water Transfer Tube. This part is part of Cummins’ comprehensive range of components designed to meet the demanding requirements of commercial trucking ⁹.

Conclusion

The Cummins 3979396 Water Transfer Tube is a critical component in the cooling systems of commercial trucks. Its role in maintaining optimal engine temperatures is essential for the efficiency and longevity of the vehicle. Proper installation, maintenance, and understanding of its function are key to ensuring the reliable operation of the cooling system.