3943551
Water Inlet Connection
Cummins®

Introduction

The Cummins 3943551 Water Inlet Connection is a component designed for use in commercial trucks. Its purpose is to facilitate the flow of coolant into the engine, ensuring that the engine operates within optimal temperature ranges. This part is significant in the operation of commercial trucks as it contributes to the overall efficiency and reliability of the engine cooling system ³.

Basic Concepts of Water Inlet Connections

A water inlet connection serves as a conduit for coolant to enter the engine. Within the engine cooling system, it plays a role by directing coolant flow to critical areas that require temperature regulation. This function is vital for maintaining optimal engine temperature, which is necessary for efficient engine operation and longevity. Proper coolant circulation helps prevent overheating, which can lead to engine damage and reduced performance ².

Purpose of the 3943551 Water Inlet Connection

The 3943551 Water Inlet Connection is integral to the operation of a truck’s engine. It functions within the coolant system by providing a secure and efficient pathway for coolant to enter the engine block. This ensures that the engine components are adequately cooled, which is important for maintaining engine performance and preventing overheating. The connection’s design allows for consistent coolant flow, which is necessary for the engine to operate efficiently under various conditions ³.

Key Features

The 3943551 Water Inlet Connection is characterized by several design elements and materials that enhance its performance and durability. It is constructed from high-quality materials that are resistant to corrosion and wear, ensuring longevity in demanding environments. The design includes precise fittings and seals that facilitate a secure connection to the engine and other components of the cooling system. These features contribute to the overall effectiveness of the coolant system ¹.

Benefits

Using the 3943551 Water Inlet Connection offers several benefits. It contributes to improved engine cooling efficiency by ensuring a consistent and reliable flow of coolant. This reduces the risk of overheating, which can lead to engine damage. Additionally, the enhanced coolant flow supports overall engine reliability, allowing for sustained performance over time. The design and materials used in this connection also contribute to its durability, making it a dependable component in the cooling system ³.

Installation Process

Installing the 3943551 Water Inlet Connection requires attention to detail to ensure a secure and effective fit. The process involves several steps, including preparing the engine area, aligning the connection with the engine block, and securing it in place using the appropriate tools. It is important to follow manufacturer guidelines to ensure proper installation. This may include torquing fasteners to specified levels and checking for proper alignment and sealing. Taking these precautions helps ensure that the connection functions as intended within the cooling system ³.

Common Issues and Troubleshooting

Common issues with the 3943551 Water Inlet Connection may include leaks or blockages. These can arise from improper installation, wear and tear, or damage to the connection. Troubleshooting these issues involves inspecting the connection for signs of wear, checking for proper alignment and sealing, and ensuring that all fasteners are secure. Addressing these issues promptly helps maintain the efficiency of the cooling system and prevents potential engine damage ².

Maintenance Tips

Regular maintenance of the 3943551 Water Inlet Connection is important for ensuring long-term performance and reliability. This includes periodic inspection for signs of wear or damage, cleaning the connection and surrounding areas to prevent buildup, and ensuring that all seals and fasteners remain secure. Following manufacturer recommendations for inspection intervals and maintenance procedures helps maintain the effectiveness of the cooling system ³.

Compatibility and Applications

The 3943551 Water Inlet Connection is designed for specific types of engines and truck models. It is important to verify compatibility with the engine and cooling system to ensure proper function. This component is engineered to meet the demands of commercial truck applications, providing reliable coolant flow and contributing to engine efficiency and longevity ³.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products and strong reputation for quality and reliability. The company has a history of innovation and commitment to providing solutions that meet the needs of its customers. Cummins products, including the 3943551 Water Inlet Connection, are designed with a focus on performance, durability, and efficiency, reflecting the company’s dedication to excellence in the commercial truck sector ³.

Water Inlet Connection Part 3943551 Compatibility with Cummins Engines

The Water Inlet Connection part 3943551, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This part is crucial for the proper functioning of the engine’s cooling system, ensuring that water is efficiently directed into the engine block.

ISB CM2150, ISB CM550, and ISB CM850

The ISB CM2150, ISB CM550, and ISB CM850 engines are part of Cummins’ ISB series, which is known for its reliability and efficiency. The Water Inlet Connection part 3943551 is compatible with these engines, providing a secure and leak-proof connection for the water inlet system. This ensures that the cooling system operates efficiently, maintaining optimal engine temperature and performance.

ISB6.7 CM2250 and ISB6.7 CM2350 B101

The ISB6.7 CM2250 and ISB6.7 CM2350 B101 engines are also part of the ISB6.7 series, which is designed for heavy-duty applications. The Water Inlet Connection part 3943551 fits these engines perfectly, ensuring that the cooling system can handle the higher demands placed on these engines. This part is engineered to withstand the rigors of heavy-duty use, providing a durable and reliable connection for the water inlet system.

Role of Part 3943551 Water Inlet Connection in Engine Systems

The part 3943551 Water Inlet Connection is integral to the efficient operation of various engine systems. It facilitates the entry of coolant into the engine block, ensuring that the coolant circulates properly through the engine’s cooling passages. This component interfaces directly with the water pump, allowing the coolant to be drawn from the radiator and pumped through the engine.

In the context of the cooling system, the Water Inlet Connection is positioned between the water pump and the engine block. It ensures a secure and leak-free connection, which is essential for maintaining the coolant pressure and flow rate required for optimal engine cooling. The connection also interacts with the thermostat housing, allowing for regulated coolant flow based on engine temperature.

Furthermore, the Water Inlet Connection plays a role in the integration of the engine’s freeze plug. By providing a robust connection point, it helps to prevent coolant leaks that could otherwise occur around the freeze plug area. This is particularly important in environments where the engine may be subjected to freezing temperatures, as any leakage could lead to freeze plug failure and subsequent engine damage.

Additionally, this component is often found in proximity to the intake manifold. Its proper installation ensures that coolant does not interfere with the air-fuel mixture, which is vital for maintaining engine performance and efficiency. The Water Inlet Connection also supports the function of the engine’s temperature sensor by ensuring consistent coolant flow, which is necessary for accurate temperature readings.

Conclusion

The 3943551 Water Inlet Connection is a key element in the engine’s cooling system, facilitating the smooth and efficient circulation of coolant throughout the engine block, thermostat housing, freeze plug area, and near the intake manifold. Its reliable performance is essential for the sustained operation and longevity of the engine ³.