3970803
Water Inlet Tube
Cummins®

The Water Inlet Tube, part number 3970803, manufactured by Cummins, is a component designed for the cooling system of commercial trucks. This part facilitates the flow of coolant into the engine, which helps maintain optimal operating temperatures and ensures efficient engine performance ¹.

Basic Concepts of Water Inlet Tubes

A Water Inlet Tube is a component within the engine cooling system that directs coolant from the radiator into the engine block. Its function is to ensure a steady and consistent flow of coolant, which absorbs heat from the engine and transfers it to the radiator where it is dissipated. This process is vital for maintaining the engine’s temperature within a specified range, which is important for the engine’s longevity and performance ².

Purpose of the 3970803 Water Inlet Tube

The 3970803 Water Inlet Tube is specifically designed to enhance the flow of coolant into the engine of a truck. By providing a direct and unobstructed path for the coolant, it ensures that the engine receives a consistent supply of coolant, which is necessary for effective heat management. This part contributes to the overall efficiency of the cooling system by ensuring that the coolant circulates effectively through the engine ².

Key Features

The 3970803 Water Inlet Tube is constructed from high-quality materials that offer durability and resistance to corrosion. Its design includes precise fittings and connections that ensure a secure and leak-free installation. Additionally, the tube may feature reinforced sections to withstand the pressures and temperatures encountered in the cooling system, enhancing its performance and longevity ².

Benefits

Using the 3970803 Water Inlet Tube offers several advantages. It improves the flow of coolant, which enhances the engine’s cooling efficiency. This part also provides enhanced engine protection by ensuring that the coolant system operates effectively, reducing the risk of overheating. Furthermore, its robust construction increases the reliability of the cooling system, especially under demanding conditions ².

Installation and Compatibility

Proper installation of the 3970803 Water Inlet Tube involves ensuring that all connections are secure and that the tube is correctly aligned with the engine and radiator. It is important to follow manufacturer guidelines to ensure optimal performance. This part is compatible with specific truck models and engine types, and it is advisable to consult the manufacturer’s compatibility charts for detailed information ².

Maintenance and Troubleshooting

Regular maintenance of the 3970803 Water Inlet Tube includes checking for leaks, ensuring connections are tight, and inspecting the tube for signs of wear or damage. Common issues may include leaks at connections or blockages within the tube. Troubleshooting tips include verifying the integrity of all connections and ensuring that the tube is free from obstructions ².

Performance Under Various Conditions

The 3970803 Water Inlet Tube is designed to perform effectively under a range of operating conditions, including extreme temperatures and heavy-duty use. Its construction and design allow it to withstand the pressures and temperatures within the cooling system, ensuring consistent performance and reliability ².

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance and reliability of commercial vehicles ².

Water Inlet Tube (Part 3970803) Compatibility with Cummins Engines

The Water Inlet Tube, part number 3970803, manufactured by Cummins, is a component in the cooling system of various Cummins engines. This part is designed to facilitate the flow of coolant into the engine block, ensuring efficient heat dissipation and maintaining optimal engine temperature ².

Compatibility with Specific Engine Models

6C8.3 and L9.3 L105 Engines

The Water Inlet Tube 3970803 is specifically engineered to fit the 6C8.3 and L9.3 L105 engines. These engines are part of the Cummins lineup known for their robust performance and reliability in various industrial and commercial applications. The inlet tube’s design ensures a secure and leak-proof connection, which is crucial for maintaining the cooling system’s integrity ².

C GAS PLUS CM556 Engine

Similarly, the Water Inlet Tube 3970803 is also compatible with the C GAS PLUS CM556 engine. This engine model is designed for applications requiring high efficiency and low emissions, making it a popular choice in sectors where environmental regulations are stringent. The inlet tube’s precision fitment is essential for the efficient operation of the engine’s cooling system, contributing to the overall performance and longevity of the engine ².

Importance of Proper Fitment

The correct installation of the Water Inlet Tube 3970803 is vital for the proper functioning of the cooling system. Any misalignment or improper fitment can lead to coolant leaks, overheating, and potential engine damage. Cummins has designed this part to ensure a seamless integration with the specified engine models, providing users with a reliable and durable solution for their cooling needs ².

Role of Part 3970803 Water Inlet Tube in Engine Systems

The part 3970803 Water Inlet Tube is a component in the arrangement of engine systems, particularly in those involving compressor coolant mechanisms. Its primary function is to facilitate the smooth and efficient flow of coolant into the engine system.

In systems where compressor coolant is utilized, the Water Inlet Tube ensures that the coolant is directed precisely where it is needed. This is important for maintaining optimal temperatures within the compressor, which in turn ensures efficient operation and longevity of the compressor itself.

The tube’s design allows it to interface seamlessly with other components within the engine system, ensuring that the coolant flow is uninterrupted and consistent. This consistent flow is vital for the effective dissipation of heat generated during engine operation.

Moreover, the Water Inlet Tube plays a role in preventing coolant leaks, which could lead to inefficient cooling and potential damage to engine components. By providing a secure and reliable pathway for the coolant, it contributes to the overall stability and performance of the engine system.

Conclusion

In summary, the 3970803 Water Inlet Tube is a key element in the coolant management system, ensuring that the engine operates within safe temperature ranges and maintains peak performance ².