3979078
Water Inlet Connection
Cummins®

Introduction

The Cummins 3979078 Water Inlet Connection is a critical component for heavy-duty truck engines, designed to facilitate efficient coolant flow into the engine. This ensures optimal engine temperature and performance, contributing to the longevity and reliability of the engine ¹.

Basic Concepts of Water Inlet Connection

Water inlet connections are essential for engine cooling systems, serving as the entry point for coolant into the engine block. They ensure effective coolant circulation to absorb and dissipate heat generated during engine operation. The efficiency of this component directly influences the engine’s cooling performance, which is vital for preventing overheating and maintaining engine efficiency ².

Purpose of the 3979078 Water Inlet Connection

The 3979078 Water Inlet Connection is designed to enhance coolant flow into the engine. By providing a secure and efficient pathway for coolant, it helps maintain the engine’s temperature within optimal ranges. This ensures that the coolant reaches all critical areas of the engine block, contributing to consistent engine performance and longevity ³.

Key Features

The 3979078 Water Inlet Connection features several key attributes that enhance its functionality and durability. It is constructed from high-quality materials to withstand the pressures and temperatures of heavy-duty engine environments. The connection type is designed for a secure fit, minimizing the risk of leaks. Additionally, its design may include features that facilitate easier installation and maintenance.

Benefits

Using the 3979078 Water Inlet Connection offers several advantages, including improved coolant flow, which leads to more effective engine cooling. This results in enhanced engine performance and reliability, as the engine operates within its optimal temperature range. The component’s durable construction ensures long-term use without the need for frequent replacements, contributing to overall engine efficiency.

Installation Process

Installing the 3979078 Water Inlet Connection requires careful attention to ensure a secure and leak-free connection. The process involves preparing the engine block for installation, aligning the connection with the inlet port, and securing it in place using the appropriate tools. It is important to follow manufacturer guidelines to ensure proper installation and to avoid common pitfalls that could lead to leaks or inefficient coolant flow.

Common Issues and Troubleshooting

Typical problems associated with water inlet connections include leaks, blockages, and corrosion. Troubleshooting these issues involves inspecting the connection for signs of wear or damage, ensuring that it is securely fastened, and checking for any obstructions in the coolant flow. Addressing these issues promptly can prevent more serious engine problems and ensure the continued efficiency of the cooling system.

Maintenance Tips

Regular maintenance of the 3979078 Water Inlet Connection is key to its longevity and performance. This includes periodic inspections for signs of wear or damage, ensuring that all connections are secure, and checking for any leaks. Additionally, maintaining the overall cooling system, including the coolant level and condition, contributes to the efficient operation of the water inlet connection and the engine as a whole.

Cummins 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 quality, Cummins has established a strong reputation in the automotive industry for producing reliable and high-performance engine components. Their product range includes a variety of parts and systems designed to meet the demanding requirements of heavy-duty applications.

Water Inlet Connection Part 3979078 Compatibility

The Water Inlet Connection part 3979078, manufactured by Cummins, is designed to fit several specific engine models. Here is a detailed breakdown of its compatibility:

ISB/ISD4.5 CM2150 B119

This engine variant benefits from the precise fit of the Water Inlet Connection part 3979078, ensuring efficient water flow management within the engine’s cooling system.

ISB/ISD6.7 CM2150 SN

Similar to its smaller counterpart, the ISB/ISD6.7 CM2150 SN engine also integrates the Water Inlet Connection part 3979078 seamlessly. This ensures optimal performance and reliability in the engine’s cooling system.

ISBE CM2150

The ISBE CM2150 engine is another model that is compatible with the Water Inlet Connection part 3979078. This part is crucial for maintaining the engine’s cooling efficiency and overall performance.

ISBE CM800 and ISBE4 CM850

Both the ISBE CM800 and ISBE4 CM850 engines are designed to work with the Water Inlet Connection part 3979078. This compatibility ensures that these engines can maintain their cooling systems’ integrity and efficiency.

By ensuring the correct fit and function of the Water Inlet Connection part 3979078, these Cummins engines can operate smoothly and reliably, maintaining their performance and longevity.

Role of Part 3979078 Water Inlet Connection in Engine Systems

The Water Inlet Connection, identified by part number 3979078, is integral to the efficient operation of various engine systems. This component facilitates the entry of coolant into the engine block, ensuring that the engine maintains optimal operating temperatures.

When the Water Inlet Connection is properly installed, it allows coolant to flow from the radiator into the engine block. This flow is essential for dissipating heat generated by combustion processes. The connection interfaces with the thermostat housing, allowing for regulated coolant flow based on engine temperature.

Additionally, the Water Inlet Connection plays a role in the Pressure Relief System. It is designed to withstand the pressures generated within the cooling system, preventing leaks that could lead to engine overheating. The connection also interfaces with the Coolant Temperature Sensor, providing a pathway for the sensor to accurately measure the temperature of the coolant as it enters the engine.

In summary, the Water Inlet Connection is a key component in the cooling system, ensuring that coolant is efficiently distributed throughout the engine to maintain performance and longevity.

Conclusion

The Cummins 3979078 Water Inlet Connection is a vital component for heavy-duty truck engines, ensuring efficient coolant flow and optimal engine temperature. Its durable construction, secure fit, and compatibility with various engine models make it an essential part for maintaining engine performance and longevity. Regular maintenance and proper installation are crucial for maximizing the benefits of this component.