3968008
Sea Water Pump Tube
Cummins®

The Sea Water Pump Tube, part number 3968008, is a component manufactured by Cummins, a well-established name in the commercial truck and marine engine industry. This tube is specifically designed for use in the cooling systems of marine engines, where it plays a role in maintaining the engine’s optimal operating temperature by facilitating the flow of sea water through the system ¹.

Function and Operation

The Sea Water Pump Tube operates within the cooling system of a marine engine by directing the flow of sea water from the pump to the heat exchanger. This process involves the circulation of sea water, which absorbs heat from the engine and dissipates it, thereby helping to maintain the engine’s temperature within a specified range. The efficient flow of sea water through the tube is integral to the cooling process, ensuring that the engine does not overheat during operation ².

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials, which contribute to its performance and durability. The tube is engineered to withstand the corrosive nature of sea water, ensuring long-term reliability. Its design facilitates smooth water flow, minimizing resistance and enhancing the efficiency of the cooling system ³.

Benefits

The use of the Sea Water Pump Tube offers several advantages. It contributes to improved engine cooling efficiency by ensuring a consistent and unobstructed flow of sea water through the system. This results in reduced risk of engine overheating, which can lead to performance issues or damage. Additionally, the enhanced cooling efficiency supports overall engine performance, contributing to the longevity and reliability of the engine ⁴.

Installation and Compatibility

For the proper installation of the Sea Water Pump Tube, it is important to follow manufacturer guidelines to ensure compatibility with specific Cummins engine models. Attention to detail during installation is crucial to maintain the integrity of the cooling system and to ensure the tube functions as intended. Precautions should be taken to avoid damage to the tube or surrounding components during the installation process.

Maintenance and Troubleshooting

Routine maintenance of the Sea Water Pump Tube is recommended to ensure its optimal functioning. This includes regular inspections for signs of wear or corrosion, and cleaning to remove any debris that may obstruct the flow of sea water. Troubleshooting common issues, such as leaks or reduced cooling efficiency, may involve checking for proper installation, inspecting for damage, and ensuring the tube is free from obstructions.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation within the commercial truck and marine engine industry. The company’s product offerings include a wide range of engines and components designed to meet the demanding requirements of commercial applications, demonstrating a commitment to excellence and customer satisfaction.

Conclusion

The Sea Water Pump Tube, part number 3968008, is a vital component in the cooling systems of marine engines. Its role in facilitating the efficient flow of sea water contributes to the maintenance of optimal engine temperatures, enhancing engine performance and reliability. Proper installation, maintenance, and the use of genuine Cummins parts are essential for ensuring the longevity and efficiency of the cooling system.