3906615
Water Inlet Connection
Cummins®

The Water Inlet Connection 3906615 by Cummins is a component designed to facilitate the efficient operation of heavy-duty trucks. This part is integral to the engine cooling system, ensuring that the engine maintains optimal operating temperatures under various conditions. Cummins Inc., a renowned manufacturer in the automotive and heavy-duty truck industry, produces this component, leveraging its extensive expertise and commitment to quality ¹.

Basic Concepts of Water Inlet Connection

A water inlet connection serves as a conduit for coolant to enter the engine block. Its function within the engine cooling system is to distribute coolant to critical areas of the engine, thereby playing a role in maintaining optimal engine temperature. This is achieved by allowing coolant to flow into the engine, where it absorbs heat, and then circulates back to the radiator for cooling ². The efficient operation of this component is vital for the overall performance and longevity of the engine.

Purpose of the 3906615 Water Inlet Connection

The 3906615 Water Inlet Connection is designed to ensure the smooth and efficient flow of coolant into the engine. It interfaces with the engine block and other cooling system components, such as the thermostat and radiator hoses. By providing a secure and leak-free connection, it contributes to the stability and efficiency of the cooling system, helping to prevent overheating and associated engine damage.

Key Features

The 3906615 Water Inlet Connection is constructed with durability and performance in mind. It is made from high-quality materials that resist corrosion and wear, ensuring long-term reliability. The design includes precise connection types that facilitate easy installation and a secure fit. Additionally, it may feature unique attributes such as reinforced seals or advanced gasket technology to enhance its performance and durability in demanding environments.

Benefits

The advantages of the 3906615 Water Inlet Connection include improved cooling efficiency, which is crucial for heavy-duty applications where engines operate under significant stress. Its durable construction ensures reliability over time, reducing the need for frequent replacements. Additionally, the secure connection it provides helps prevent leaks, which can lead to engine overheating and potential damage.

Installation Process

Installing the 3906615 Water Inlet Connection involves several steps to ensure a secure and effective fit. Preparatory steps include cleaning the installation area and inspecting the connection for any damage. The required tools may include wrenches and sealants. Best practices during installation include applying the correct amount of sealant, ensuring all connections are tight, and verifying that there are no leaks after the engine has been started.

Maintenance Tips

To ensure the longevity and performance of the 3906615 Water Inlet Connection, regular maintenance practices are recommended. This includes periodic inspection for signs of wear or damage, cleaning the connection area to prevent buildup, and checking for leaks. Following the manufacturer’s guidelines for inspection intervals can help identify potential issues before they become serious problems.

Troubleshooting Common Issues

Common problems associated with the 3906615 Water Inlet Connection may include leaks or blockages. Troubleshooting steps to diagnose these issues involve inspecting the connection for visible signs of damage or wear, checking for proper sealant application, and ensuring that all connections are secure. Addressing these issues promptly can help maintain the efficiency of the cooling system and prevent engine damage.

Compatibility and Applications

The 3906615 Water Inlet Connection is designed for specific types of engines and truck models. It is important to verify compatibility to ensure optimal performance and integration within the cooling system. This component is typically used in applications where reliable and efficient cooling is critical, such as in heavy-duty trucks operating in demanding conditions.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive and heavy-duty truck industry, known for its wide range of products and strong reputation for quality and innovation. Founded in 1919, Cummins has a long history of providing reliable and high-performance engine components. The company’s product range includes engines, filtration systems, and aftermarket parts, all designed to meet the rigorous demands of various industries ³.

Cummins Engine Part 3906615: Water Inlet Connection

The Cummins part number 3906615, identified as a Water Inlet Connection, is a critical component in the cooling system of certain Cummins engines. This part is designed to facilitate the flow of coolant into the engine, ensuring optimal thermal management and performance.

Compatibility with Cummins Engines

The Water Inlet Connection part 3906615 is compatible with the following Cummins engine models:

• 4B3.9
• 6B5.9

These engines are part of Cummins’ range of diesel engines, known for their durability and efficiency in various applications, including industrial, marine, and power generation sectors.

Application and Importance

In the context of these engines, the Water Inlet Connection plays a pivotal role in the engine’s cooling system. It ensures that coolant is efficiently directed into the engine block, helping to dissipate heat generated during operation. This is crucial for maintaining engine temperature within safe limits, preventing overheating, and extending the engine’s lifespan.

The design and material of part 3906615 are engineered to withstand the high pressures and temperatures typical in engine environments, ensuring reliability and performance over time.

Role of Part 3906615 Water Inlet Connection in Engine Systems

The part 3906615 water inlet connection is an essential component in the fluid management system of various engine setups. Its primary function is to facilitate the entry of coolant into the engine block, ensuring that the engine maintains optimal operating temperatures.

Integration with Engine Components

1. Coolant System: The water inlet connection is a pivotal point where the coolant from the radiator is introduced into the engine. It connects to the engine block, allowing coolant to flow through the water jackets surrounding the cylinders and other critical components.

2. Thermostat Housing: Often, the water inlet connection is integrated with the thermostat housing. This setup allows for precise control over the flow of coolant, ensuring that the engine warms up quickly and maintains consistent temperatures.

3. Water Pump: The connection plays a role in the circulation loop that the water pump drives. Coolant is pumped from the radiator, through the water inlet connection, into the engine block, and then back to the radiator for cooling.

4. Heat Exchanger: In systems where a heat exchanger is used, the water inlet connection ensures that coolant is efficiently routed to and from the exchanger, optimizing the heat transfer process.

5. Sensor Placement: Many modern engines have temperature sensors placed near the water inlet connection. This allows for real-time monitoring of coolant temperature, aiding in the engine management system’s decision-making process.

6. Expansion Tank: The connection may also link to the expansion tank, which accommodates the changes in coolant volume due to temperature fluctuations, preventing overflow or vacuum situations within the cooling system.

7. Cooling Fins and Passages: Within the engine block, the coolant flows through a network of cooling fins and passages. The water inlet connection ensures that this network is adequately supplied with coolant, enhancing the engine’s thermal efficiency.

By understanding the role of the water inlet connection, engineers and mechanics can better appreciate its significance in maintaining engine health and performance.

Conclusion

The 3906615 Water Inlet Connection by Cummins is a vital component in the engine cooling system of heavy-duty trucks. Its design and construction ensure efficient coolant flow, contributing to optimal engine temperature management and longevity. Regular maintenance and proper installation are key to maximizing the performance and reliability of this part.