4912995
Water Outlet Connection
Cummins®

Introduction

The Cummins 4912995 Water Outlet Connection is a critical component in heavy-duty truck engine cooling systems, designed to facilitate the efficient flow of coolant from the engine to the radiator. This part ensures optimal engine temperature, contributing to the overall efficiency and reliability of the engine cooling system ¹.

Basic Concepts of Water Outlet Connection

Water outlet connections in engine cooling systems are essential for directing coolant flow from the engine to the radiator. This process is vital for dissipating heat generated by the engine, ensuring it operates within its designed temperature range. The effectiveness of a water outlet connection can significantly influence engine performance, efficiency, and longevity ².

Purpose of the 4912995 Water Outlet Connection

The 4912995 Water Outlet Connection allows coolant to exit the engine and enter the radiator, ensuring efficient circulation of coolant through the engine. This process absorbs heat and transfers it to the radiator for dissipation, maintaining optimal engine temperature and preventing overheating ³.

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials, contributing to its performance and durability. Its construction is tailored to withstand the high pressures and temperatures typical of heavy-duty truck engines. Additionally, the connection may feature specific design elements that enhance the flow of coolant and reduce the risk of leaks ⁴.

Benefits

The advantages provided by the 4912995 Water Outlet Connection include improved engine efficiency, as efficient coolant flow helps maintain optimal engine temperature. This, in turn, can lead to enhanced engine reliability and longevity. The design and materials used in this part contribute to its durability, reducing the likelihood of failures and the need for frequent replacements ⁵.

Installation Process

Proper installation of the 4912995 Water Outlet Connection involves ensuring the engine is cool before beginning. The necessary tools may include wrenches and possibly a torque wrench to ensure that connections are tightened to the manufacturer’s specifications. Care should be taken to avoid cross-threading and to ensure that all connections are secure to prevent leaks ⁶.

Common Issues and Troubleshooting

Typical problems associated with water outlet connections can include leaks, blockages, or corrosion. Troubleshooting steps may involve inspecting the connection for signs of wear or damage, checking for proper installation, and ensuring that all connections are tight. Solutions may range from tightening connections to replacing the part if it is damaged or corroded ⁷.

Maintenance Tips

Regular maintenance practices for the 4912995 Water Outlet Connection include periodic inspection for signs of wear, corrosion, or leaks. It is also important to ensure that the connection is properly tightened and that there are no obstructions in the coolant flow path. Following the manufacturer’s recommended maintenance schedule can help ensure the longevity and optimal performance of this part ⁸.

Compatibility and Applications

The 4912995 Water Outlet Connection is designed for use with specific Cummins engine models. Its applications extend to various types of heavy-duty trucks, where efficient engine cooling is critical for performance and reliability. Ensuring compatibility with the specific engine model is important for optimal function and performance ⁹.

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 industry. The company’s product range includes engines for on-highway and off-highway applications, filtration systems, and power generation equipment, serving a wide array of industries and applications ¹⁰.

Compatibility with Cummins Engines

The Water Outlet Connection part 4912995, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral in managing the flow of coolant within the engine system, ensuring optimal thermal efficiency and performance.

G855 Series

The G855 engine series, including variants like G855 CM558 and GTA855 CM558 (CM2358), are high-performance engines commonly used in heavy-duty applications. The Water Outlet Connection part 4912995 is compatible with these engines, providing a reliable interface for coolant circulation.

G101 Series

The G101 engine is another robust option within the Cummins lineup, often utilized in various industrial and commercial applications. The part 4912995 is engineered to fit seamlessly with the G101, ensuring efficient coolant management.

N14 Series

The N14 engine series, which includes the N14 G and N14 MECHANICAL variants, is known for its durability and power. The Water Outlet Connection part 4912995 is specifically designed to integrate with these engines, facilitating smooth coolant flow and maintaining engine temperature within safe limits.

NH/NT 855 Series

The NH/NT 855 engines are designed for agricultural and construction machinery, providing reliable performance in demanding environments. The part 4912995 is compatible with these engines, ensuring that the coolant system operates efficiently, contributing to the longevity and reliability of the engine.

Role in Engine Systems

The 4912995 Water Outlet Connection is an essential component in the efficient operation of various engine systems. It serves as a pivotal link in the coolant circulation system, ensuring that the engine maintains optimal operating temperatures.

Integration with the Engine Block

The Water Outlet Connection is directly attached to the engine block. Its primary function here is to facilitate the flow of coolant from the block to other critical components. This connection ensures that the heat generated by the combustion process within the cylinders is effectively dissipated, preventing overheating and potential engine damage.

Interaction with the Cylinder

While the Water Outlet Connection does not directly interact with the cylinder, its role is indirectly significant. By ensuring a consistent flow of coolant around the cylinder, it helps in maintaining uniform temperatures. This uniformity is vital for the cylinder’s longevity and efficient operation, as it reduces thermal stress and the risk of warping.

Connection to the Aftercooler Water System

In engines equipped with an aftercooler, the Water Outlet Connection plays a key role in the aftercooler water system. It channels coolant to the aftercooler, where it aids in reducing the temperature of the compressed air. This cooling process is essential for enhancing engine efficiency and performance, as cooler air is denser and can be more effectively compressed.

Role in the Plumbing System

As part of the engine’s plumbing system, the Water Outlet Connection is integral to the overall coolant circulation. It connects various components, ensuring a seamless flow of coolant throughout the system. This connectivity is vital for the effective distribution of heat away from critical engine parts.

Relationship with the Cover Component

The Water Outlet Connection often interfaces with a cover component, which serves as a protective housing. This cover not only safeguards the connection but also ensures that the coolant pathway remains intact and free from leaks. The integrity of this cover is essential for maintaining the efficiency of the coolant system.

Conclusion

The 4912995 Water Outlet Connection is a fundamental component in the coolant system of an engine. Its effective integration with the engine block, interaction with the cylinder, role in the aftercooler water system, function within the plumbing system, and relationship with the cover component all contribute to the engine’s overall performance and longevity.