4942494
Water Inlet Connection
Cummins®

The Water Inlet Connection 4942494 by Cummins is a component designed for use in commercial trucks. It serves a specific function within the engine cooling system, contributing to the overall operation and efficiency of the vehicle. Understanding its purpose and role is fundamental for maintaining optimal truck performance.

Basic Concepts of Water Inlet Connection

Water inlet connections are integral to truck cooling systems. They facilitate the flow of coolant into the engine, playing a role in regulating engine temperature. By ensuring a consistent coolant supply, these connections help prevent engine overheating, which can lead to decreased performance and potential damage. The effective functioning of a water inlet connection is vital for maintaining the engine’s operational temperature within a safe range ¹.

Purpose of the 4942494 Water Inlet Connection

This Cummins part is specifically engineered to connect the coolant system to the engine block. Its role involves directing coolant flow into the engine, where it absorbs heat. This process is fundamental for dissipating heat away from the engine, thus playing a part in the cooling system’s efficiency. The connection ensures a secure and leak-free passage for coolant, contributing to the engine’s stable operation under various conditions.

Key Features

The 4942494 Water Inlet Connection boasts several key features that enhance its performance and durability. Constructed from high-quality materials, it is designed to withstand the rigors of commercial truck operation. Its design includes precise fittings and seals that ensure a secure connection, minimizing the risk of leaks. Additionally, the connection is engineered to accommodate the specific requirements of Cummins engines, ensuring compatibility and efficient operation.

Benefits

Utilizing the 4942494 Water Inlet Connection offers several advantages. It contributes to improved engine cooling efficiency, which is crucial for maintaining engine performance and longevity. The connection’s reliable design and construction ensure consistent coolant flow, reducing the likelihood of engine overheating. Furthermore, its durability and resistance to corrosion extend the component’s service life, providing value over time.

Installation Process

Installing the 4942494 Water Inlet Connection requires careful attention to detail to ensure a secure and effective fit. The process involves preparing the engine block for connection, aligning the inlet with the coolant system, and securing it in place using the appropriate tools. Following manufacturer guidelines for torque specifications and seal integrity is important to prevent leaks and ensure optimal performance ².

Common Issues and Troubleshooting

Common issues with water inlet connections may include leaks or corrosion, which can compromise the cooling system’s efficiency. Troubleshooting these problems involves inspecting the connection for signs of wear or damage, ensuring seals are intact, and addressing any corrosion with appropriate treatments. Regular maintenance and prompt repairs can help mitigate these issues, ensuring the connection continues to function effectively.

Maintenance Tips

To prolong the lifespan of the 4942494 Water Inlet Connection, routine maintenance is recommended. This includes regular inspections for signs of wear, corrosion, or leaks. Cleaning the connection and its surroundings can prevent buildup that may interfere with its operation. Additionally, following manufacturer guidelines for replacement intervals can help maintain the cooling system’s efficiency and the engine’s performance.

Compatibility and Applications

The 4942494 Water Inlet Connection is designed for compatibility with specific Cummins engine models, ensuring it meets the demands of commercial truck applications. Its suitability for various operating conditions and environments makes it a versatile component for fleet management, contributing to the reliability and efficiency of truck operations.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to producing high-quality components. With a history of innovation and excellence, Cummins has established a reputation for reliability and performance. The 4942494 Water Inlet Connection is a testament to Cummins’ dedication to enhancing engine efficiency and durability in commercial trucks.

Water Inlet Connection Part 4942494 Compatibility with Cummins Engines

This part is designed to fit a variety of Cummins engines. It is integral to the engine’s cooling system, ensuring proper water flow into the engine block. Below is a detailed overview of its compatibility with different engine models:

ISB/ISD Series Engines

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B110

ISBE Series Engines

• ISBE CM2150
• ISBE4 CM850

QSB Series Engines

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

This part ensures that the cooling system operates efficiently, maintaining optimal engine temperature and performance across these various engine models.

Role of Part 4942494 Water Inlet Connection in Engine Systems

The Water Inlet Connection, designated as part 4942494, is integral to the efficient operation of various engine systems. Its primary function is to facilitate the entry of coolant into the engine block, ensuring that the coolant circulates effectively throughout the system.

Integration with Engine Components

1. Engine Block: The water inlet connection interfaces directly with the engine block, allowing coolant to enter the water jackets. This ensures that the coolant can effectively absorb heat generated by the combustion process.
2. Thermostat Housing: Connected to the thermostat housing, the water inlet connection helps regulate the flow of coolant based on engine temperature. This integration ensures that the engine maintains optimal operating temperatures.
3. Coolant Hoses: The inlet connection is a critical junction point for coolant hoses. These hoses transport coolant from the radiator to the engine and back, ensuring a continuous flow that prevents overheating.
4. Radiator: By linking the engine block to the radiator, the water inlet connection plays a role in the dissipation of heat. Coolant absorbs heat from the engine and transfers it to the radiator, where it is released into the atmosphere.
5. Water Pump: The connection works in tandem with the water pump to ensure consistent circulation of coolant. The pump draws coolant from the radiator and pushes it through the engine block via the inlet connection.
6. Heater Core: In systems where the engine’s heat is utilized for cabin heating, the water inlet connection aids in directing coolant to the heater core. This ensures that the coolant can transfer heat to the cabin’s air supply.
7. Coolant Reservoir: The inlet connection is often part of a system that includes a coolant reservoir. This reservoir allows for the expansion of coolant as it heats up, preventing overflow and ensuring a stable coolant level.

In summary, the Water Inlet Connection (part 4942494) is a fundamental component that ensures the seamless integration and operation of various engine systems, contributing to the overall efficiency and reliability of the engine.

Conclusion

Understanding the role and importance of the 4942494 Water Inlet Connection in the engine cooling system is crucial for maintaining the performance and longevity of commercial trucks. Its design, compatibility with various Cummins engines, and the benefits it offers make it a vital component in ensuring efficient engine operation and cooling.