4399026
Air Cleaner
Cummins®

Introduction

The Water Inlet Connection 4399026 is a component designed by Cummins for use in heavy-duty truck engine cooling systems. This part is integral to the efficient operation of the cooling system, ensuring that coolant is properly directed into the engine to maintain optimal operating temperatures. Its role is significant in preventing engine overheating, which can lead to reduced performance and potential damage ⁴.

Purpose and Function

The Water Inlet Connection 4399026 plays a role in the engine cooling system by facilitating the flow of coolant into the engine. It serves as a conduit that connects the coolant supply to the engine block, allowing for the circulation of coolant through the engine’s various components. This circulation helps in dissipating heat generated during engine operation, thereby maintaining engine temperature within specified limits ¹.

Key Features

The design and construction of the Water Inlet Connection 4399026 incorporate several features that enhance its performance and durability. It is typically made from high-quality materials that are resistant to corrosion and wear, ensuring longevity in demanding operating conditions. The connection types are designed to provide a secure fit, minimizing the risk of leaks. Additionally, unique design elements may include reinforced areas to withstand high pressure and temperature fluctuations, contributing to the overall reliability of the cooling system ².

Benefits

The advantages provided by the Water Inlet Connection 4399026 include improved coolant flow, which enhances the efficiency of the engine cooling system. This results in better engine protection against overheating, extending the engine’s operational life. The part’s design also contributes to increased reliability, ensuring consistent performance even under challenging conditions ³.

Installation and Compatibility

Proper installation of the Water Inlet Connection 4399026 is crucial for ensuring its effectiveness within the engine cooling system. Installation procedures should follow manufacturer guidelines to ensure a secure and effective fit. Specific requirements may include the use of recommended sealants or torque specifications for tightening connections to prevent leaks and ensure optimal performance.

Maintenance and Troubleshooting

Maintaining the Water Inlet Connection 4399026 involves regular inspection procedures to check for signs of wear, corrosion, or leaks. Common issues to watch for include coolant leaks, which can indicate a loose or damaged connection, and blockages that may impede coolant flow. Troubleshooting steps for addressing potential problems may involve tightening connections, replacing worn components, or cleaning blockages to restore proper coolant flow.

Common Applications

The Water Inlet Connection 4399026 is commonly used in various makes and models of heavy-duty trucks. Its application is widespread across different engine types and configurations, making it a versatile component in the maintenance and repair of heavy-duty truck cooling systems.

Manufacturer Information

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation for excellence. Their dedication to advancing technology and improving product durability ensures that components like the Water Inlet Connection 4399026 meet the demanding requirements of modern heavy-duty applications ⁴.

Water Inlet Connection Part 4399026 in Cummins Engines

The Water Inlet Connection part 4399026, manufactured by Cummins, is a critical component in the cooling systems of various Cummins engines. This part is designed to ensure efficient water flow into the engine, which is essential for maintaining optimal operating temperatures and preventing overheating.

QSK50 Engine

In the QSK50 engine, the Water Inlet Connection part 4399026 is integral to the engine’s cooling system. It facilitates the flow of coolant from the radiator to the engine block, ensuring that the engine operates within its specified temperature range. This connection is crucial for maintaining the engine’s performance and longevity.

CM2150 Engine

For the CM2150 engine, the Water Inlet Connection part 4399026 plays a similar role. It is designed to fit seamlessly into the engine’s cooling system, providing a reliable pathway for coolant to enter the engine. This part is engineered to withstand the high pressures and temperatures typical of the CM2150 engine, ensuring durability and consistent performance.

MCRS Engine

In the MCRS engine, the Water Inlet Connection part 4399026 is a key component in the engine’s cooling infrastructure. It ensures that coolant is efficiently directed into the engine, helping to regulate temperature and prevent damage from overheating. This part is designed to meet the specific requirements of the MCRS engine, providing a reliable and efficient connection for coolant flow.

Grouping of Engines

The Water Inlet Connection part 4399026 is designed to fit into the cooling systems of the QSK50, CM2150, and MCRS engines. While each engine has its unique specifications, this part is engineered to provide a consistent and reliable connection for coolant flow across these models. This ensures that the engines can maintain optimal operating temperatures, enhancing performance and extending the lifespan of the engine components.

Conclusion

The Water Inlet Connection 4399026 by Cummins is a vital component in the cooling systems of heavy-duty trucks and various Cummins engines. Its design and features ensure efficient coolant flow, contributing to the prevention of engine overheating and the extension of engine life. Proper installation, maintenance, and understanding of its applications are essential for maximizing the benefits of this part.