5266043
Exhaust Manifold
Cummins®

The Sea Water Pump Tube, identified by part number 5266043, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This tube is integral to the cooling systems of heavy-duty truck engines, particularly those used in marine or other water-adjacent applications. Cummins is renowned for its commitment to quality and innovation, ensuring that components like the Sea Water Pump Tube meet rigorous standards for performance and durability ¹.

Function and Operation

This Cummins part operates within the engine cooling system by facilitating the circulation of sea water. This circulation is vital for regulating engine temperature, especially in environments where fresh water cooling systems are impractical. The tube connects to the sea water pump, allowing the pump to draw in sea water, which then flows through the engine’s heat exchanger. This process effectively dissipates heat, maintaining optimal engine operating temperatures and preventing overheating ².

Key Features

The Sea Water Pump Tube is designed with specific characteristics that enhance its functionality and longevity. Constructed from materials resistant to corrosion, it is capable of withstanding the harsh conditions presented by sea water. Its design ensures efficient flow of sea water, minimizing resistance and maximizing cooling efficiency. Additionally, the tube is engineered to be durable, capable of enduring the pressures and temperatures associated with engine cooling systems ³.

Benefits

Incorporating the Sea Water Pump Tube into an engine’s cooling system offers several advantages. It contributes to improved engine cooling performance by ensuring consistent and efficient circulation of sea water. This consistent cooling helps in extending the lifespan of engine components by preventing overheating. Furthermore, the tube’s reliable operation enhances the overall reliability of the engine, reducing the likelihood of cooling-related failures ⁴.

Installation and Compatibility

For this part to function correctly, proper installation is crucial. It is designed to be compatible with specific Cummins engine models, ensuring a seamless integration into the engine’s cooling system. During installation, it is important to follow manufacturer guidelines to ensure the tube is securely fitted and properly aligned with other components in the system. This attention to detail during installation helps maintain the efficiency and reliability of the cooling system.

Maintenance and Troubleshooting

Routine maintenance of the Sea Water Pump Tube is key to ensuring its optimal performance. Regular inspections for signs of wear, corrosion, or blockages are recommended. In the event of leaks or blockages, troubleshooting may involve checking for proper alignment, inspecting for damage, or cleaning the tube to remove any debris that may be obstructing the flow of sea water. Adhering to a maintenance schedule helps in identifying and addressing issues before they lead to more significant problems.

Cummins Corporation

Cummins Corporation, the manufacturer of the Sea Water Pump Tube, has a long-standing reputation in the automotive industry for producing high-quality, innovative products. Founded with a commitment to excellence, Cummins has expanded its product offerings to include a wide range of engine and component solutions for various applications. The company’s dedication to quality is evident in every product it manufactures, including the Sea Water Pump Tube, which is designed to meet the demanding requirements of heavy-duty truck engines.

Sea Water Pump Tube (Part 5266043) Compatibility with Cummins Engines

The Sea Water Pump Tube, identified by the part number 5266043, is a critical component in the cooling systems of certain Cummins marine engines. This part is specifically designed to facilitate the flow of sea water through the engine’s cooling system, ensuring efficient heat dissipation and optimal engine performance.

ISB CM2150 and ISB6.7 CM2250 Engines

The Sea Water Pump Tube (5266043) is compatible with the ISB CM2150 and ISB6.7 CM2250 engines. These engines are part of Cummins’ range of high-performance marine engines, known for their reliability and efficiency in demanding marine environments.

• ISB CM2150: This engine is designed to deliver robust power and fuel efficiency, making it suitable for a variety of marine applications. The Sea Water Pump Tube ensures that the cooling system operates smoothly, maintaining the engine’s performance under various conditions.

• ISB6.7 CM2250: Featuring a 6.7-liter displacement, the ISB6.7 CM2250 engine is engineered for high power output and durability. The Sea Water Pump Tube is integral to its cooling system, ensuring that the engine can handle prolonged periods of operation without overheating.

Both engines benefit from the precise engineering of the Sea Water Pump Tube, which is designed to withstand the harsh marine environment and provide a reliable seal to prevent leaks. This compatibility ensures that the cooling system functions effectively, contributing to the overall longevity and performance of the engines.

Role of Part 5266043 Sea Water Pump Tube in Engine Systems

This part is an integral component in the cooling system of marine engines, ensuring efficient operation and longevity of the engine. This tube facilitates the circulation of sea water, which is essential for cooling various engine components.

Interaction with the Exhaust Manifold

The Sea Water Pump Tube is strategically positioned to interact with the exhaust manifold. As the engine operates, it generates significant heat. The tube draws in sea water, which is then pumped through the engine’s cooling passages. A portion of this cooled water is directed towards the exhaust manifold. The exhaust manifold, which collects exhaust gases from the engine’s cylinders, can become extremely hot. The sea water pumped through the tube helps to cool the manifold, preventing overheating and potential damage.

Cooling the Manifold

In addition to the exhaust manifold, the Sea Water Pump Tube also plays a role in cooling the manifold itself. The manifold, which distributes the cooled sea water to various parts of the engine, must be maintained at an optimal temperature to ensure efficient operation. The tube ensures a consistent flow of sea water, which absorbs heat from the manifold, maintaining its temperature within safe limits.

Enhancing Engine Performance

By effectively cooling the exhaust manifold and manifold, the 5266043 Sea Water Pump Tube contributes to the overall performance and reliability of the engine. Proper cooling prevents thermal stress on engine components, reduces the risk of warping or cracking, and ensures that the engine operates within its designed parameters. This, in turn, enhances the engine’s efficiency, power output, and durability.

Conclusion

In summary, the 5266043 Sea Water Pump Tube is a vital component in the engine’s cooling system, working in conjunction with the exhaust manifold and manifold to maintain optimal operating temperatures and ensure the engine’s longevity and performance. Its role in facilitating the circulation of sea water is crucial for the efficient operation of marine engines, particularly in demanding environments where fresh water cooling systems are not feasible.