3064438
Water Inlet Connection
Cummins®

Introduction

The Cummins 3064438 Water Inlet Connection is a vital component in the cooling systems of heavy-duty trucks. It facilitates the entry of coolant into the engine, ensuring efficient heat dissipation and maintaining optimal engine operating temperatures.

Basic Concepts of Water Inlet Connection

Water inlet connections in engine cooling systems allow coolant to enter the engine block. This coolant absorbs heat generated by the engine’s operation and carries it away to the radiator, where it is dissipated into the atmosphere. The efficiency of this process is important for preventing engine overheating and ensuring reliable performance ¹.

Purpose of the 3064438 Water Inlet Connection

This Cummins part plays a specific role in the operation of a truck’s engine cooling system by providing a secure and efficient pathway for coolant to enter the engine block. It is engineered to withstand the pressures and temperatures encountered in heavy-duty applications, ensuring consistent coolant flow and effective heat management.

Key Features

The 3064438 is characterized by several design elements and materials that contribute to its functionality and durability. It is constructed from high-quality materials to resist corrosion and wear, ensuring long-term reliability. The design includes precise fittings and seals to maintain a secure connection and prevent coolant leaks.

Benefits

The advantages provided by this part include improved coolant flow, which enhances the engine’s cooling efficiency. Its durable construction ensures longevity, even under the demanding conditions typical of heavy-duty truck operations. Additionally, it is specifically designed for compatibility with Cummins engines, ensuring seamless integration and performance.

Installation Process

Proper installation of the 3064438 involves several steps to ensure it functions correctly and securely. Begin by ensuring the engine is cool and the cooling system is drained. Remove the old water inlet connection, if applicable, and clean the mating surface. Apply a compatible sealant to the threads of the new connection. Carefully install the new water inlet connection, ensuring it is tightened to the manufacturer’s specified torque. Refill the cooling system with the appropriate coolant mixture and check for leaks.

Common Issues and Troubleshooting

Typical problems associated with water inlet connections can include leaks, corrosion, and blockages. To address these issues, regularly inspect the connection for signs of wear or damage. If a leak is detected, the connection may need to be tightened or replaced. Corrosion can often be prevented with proper maintenance and the use of compatible coolants. Blockages may require cleaning or replacement of the connection.

Maintenance Tips

To ensure the optimal performance and longevity of the 3064438, regular maintenance practices are recommended. This includes periodic inspection for signs of wear, corrosion, or leaks. Ensuring the cooling system is filled with the correct type and concentration of coolant is also important. Following the manufacturer’s maintenance schedule for coolant changes and system flushes will help maintain the efficiency of the cooling system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industries. Their product range includes a variety of engines and components designed to meet the demanding requirements of commercial and industrial applications ².

Compatibility with Cummins Engines

This part is designed to fit seamlessly with several Cummins engine models. It is crucial for the proper functioning of the engine’s cooling system, ensuring that water is efficiently directed into the engine block.

G855 and NH/NT 855 Engines

The 3064438 is compatible with the G855 and NH/NT 855 engines. These engines are known for their robust design and high performance, often used in heavy-duty applications. The part ensures that the cooling system operates efficiently, maintaining optimal engine temperature and preventing overheating.

N14 CELECT PLUS and N14 MECHANICAL Engines

Similarly, the N14 CELECT PLUS and N14 MECHANICAL engines also utilize the 3064438. These engines are designed for durability and reliability, often found in various industrial and commercial applications. The part’s compatibility with these engines ensures that the cooling system functions as intended, contributing to the longevity and performance of the engine.

Role of Part 3064438 Water Inlet Connection in Engine Systems

The Water Inlet Connection (part 3064438) is a critical component in the fluid management system of an engine. It serves as the primary interface for the introduction of coolant into the engine’s cooling system.

Integration with Plumbing Systems

In the context of engine plumbing, the Water Inlet Connection is strategically positioned to ensure efficient coolant flow. It connects to the engine block, allowing coolant to enter the system and circulate through critical components such as the cylinder heads, water jackets, and other heat-generating areas. This connection is vital for maintaining optimal engine temperature and preventing overheating ³.

Interaction with the Oil Cooler

The Water Inlet Connection also plays a significant role when integrated with an oil cooler system. In engines equipped with an oil cooler, the Water Inlet Connection facilitates the flow of coolant through the oil cooler, ensuring that the oil remains at an appropriate temperature. This is achieved by transferring heat from the oil to the coolant, which is then circulated back through the engine for further cooling.

Ensuring Efficient Coolant Circulation

By providing a secure and reliable connection point, part 3064438 ensures that coolant is efficiently circulated throughout the engine. This consistent flow is essential for dissipating heat generated during combustion, thereby protecting engine components from thermal damage and extending the engine’s lifespan.

Supporting Overall Engine Performance

The effective operation of the Water Inlet Connection is fundamental to the engine’s overall performance. It supports the maintenance of engine efficiency by ensuring that all components operate within their optimal temperature ranges. This, in turn, contributes to better fuel economy, reduced emissions, and enhanced engine reliability.

Conclusion

The Cummins 3064438 Water Inlet Connection is a critical component in the cooling systems of heavy-duty trucks, ensuring efficient heat dissipation and maintaining optimal engine operating temperatures. Its durable construction, precise design, and compatibility with various Cummins engines make it an essential part for reliable engine performance and longevity.