4936459
Water Outlet Connection
Cummins®

The 4936459 Water Outlet Connection Assembly is a component manufactured by Cummins, designed to facilitate the efficient operation of commercial trucks. This assembly is integral to the engine cooling system, ensuring that the engine maintains optimal operating temperatures. Cummins, a well-respected name in the automotive industry, is known for producing high-quality components that enhance the performance and reliability of vehicles ¹.

Basic Concepts of Water Outlet Connection Assembly

Water outlet connection assemblies are fundamental to the engine cooling system. They play a role in directing coolant flow from the engine to the radiator, where it is cooled before returning to the engine. This continuous circulation helps maintain the engine’s temperature within a specified range, preventing overheating and ensuring efficient operation ². The assembly typically includes passages and connections that allow for the smooth flow of coolant, contributing to the overall effectiveness of the cooling system.

Purpose of the Water Outlet Connection Assembly

The Water Outlet Connection Assembly is specifically designed to direct coolant flow from the engine to the radiator in commercial trucks. By ensuring a consistent and efficient flow of coolant, this assembly helps maintain the engine’s temperature, which is vital for the engine’s performance and longevity. Its role in the cooling system is to provide a secure and reliable connection point for the coolant passages, facilitating the transfer of heat away from the engine.

Key Features

The Water Outlet Connection Assembly boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to corrosion and wear, ensuring a long service life. The design includes precise engineering to ensure a secure fit and efficient coolant flow. Additionally, the assembly may feature unique characteristics such as integrated gaskets or seals, which help prevent leaks and maintain the integrity of the cooling system.

Benefits

Using the Water Outlet Connection Assembly offers several benefits. It contributes to improved engine cooling efficiency, which helps prevent overheating and enhances overall engine performance. The assembly’s durable construction and reliable design reduce the risk of coolant leaks and system failures, leading to fewer maintenance issues and increased uptime for commercial trucks. Additionally, the efficient coolant flow facilitated by this assembly helps maintain optimal engine temperature, which can improve fuel efficiency and reduce emissions.

Installation Process

Installing the Water Outlet Connection Assembly requires careful preparation and the use of appropriate tools. Begin by ensuring the engine is cool and the cooling system is drained. Remove the old assembly, taking note of any gaskets or seals that need to be replaced. Clean the mating surfaces to ensure a proper fit. Position the new assembly and secure it in place using the recommended torque specifications. Refill the cooling system with the appropriate coolant and check for leaks. Finally, start the engine and monitor the temperature to ensure the assembly is functioning correctly.

Troubleshooting Common Issues

Common issues with the Water Outlet Connection Assembly may include leaks or blockages. If a leak is detected, inspect the assembly and surrounding components for signs of damage or wear. Replace any faulty gaskets or seals as necessary. Blockages can be caused by debris or corrosion within the coolant passages. Flush the cooling system to remove any contaminants and ensure the passages are clear. If issues persist, further inspection by a qualified technician may be required.

Maintenance Tips

To prolong the lifespan of the Water Outlet Connection Assembly, regular maintenance is recommended. Inspect the assembly and surrounding components during routine service intervals for signs of wear, corrosion, or leaks. Clean the assembly as part of the cooling system maintenance to remove any buildup that could impede coolant flow. Additionally, use the recommended type and concentration of coolant to ensure optimal performance and protection against corrosion. Monitoring the engine’s temperature can also help identify potential issues early, allowing for timely repairs.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines, natural gas engines, and powertrain-related components. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability. The company is committed to producing high-quality automotive components that meet the demanding requirements of commercial and industrial applications. Cummins’ dedication to excellence is reflected in their comprehensive range of products, which are designed to enhance the performance, efficiency, and durability of vehicles ³.

Water Outlet Connection Assembly (Part 4936459) Compatibility with Cummins Engines

The Water Outlet Connection Assembly (Part 4936459) is a critical component in the cooling system of certain Cummins engines. This part is designed to ensure efficient coolant flow and temperature regulation, which is essential for maintaining engine performance and longevity.

QSB4.5 Series Engines

The Water Outlet Connection Assembly is compatible with the following Cummins QSB4.5 series engines:

• QSB4.5 CM2250 EC: This engine variant benefits from the precise fit and robust construction of the Water Outlet Connection Assembly, ensuring optimal coolant flow and preventing leaks.

• QSB4.5 CM850 (CM2850): This engine model also relies on the Water Outlet Connection Assembly to maintain its cooling system’s integrity. The assembly’s design allows for seamless integration, providing a reliable seal and efficient coolant management.

The Water Outlet Connection Assembly is engineered to fit these engines precisely, ensuring that coolant flows correctly and efficiently. This part is crucial for maintaining the engine’s operating temperature and preventing overheating, which can lead to severe damage.

Role of Part 4936459 Water Outlet Connection Assembly in Engine Systems

The 4936459 Water Outlet Connection Assembly is integral to the efficient operation of engine cooling systems. This component facilitates the connection between the water outlet and other critical parts of the engine, ensuring a seamless flow of coolant.

When installed, the Water Outlet Connection Assembly interfaces directly with the water outlet, allowing coolant to exit the engine block and enter the radiator. This connection is essential for maintaining optimal engine temperature by dissipating heat away from the engine components.

Additionally, the assembly works in conjunction with the thermostat housing, ensuring that the thermostat can accurately regulate the flow of coolant based on engine temperature. This regulation is vital for preventing overheating and ensuring that the engine operates within its designed temperature range.

The Water Outlet Connection Assembly also plays a role in connecting to the upper radiator hose, which transports coolant from the engine to the radiator. This connection must be secure to prevent leaks, which could lead to inefficient cooling and potential engine damage.

Furthermore, the assembly may interface with temperature sensors located near the water outlet. These sensors provide real-time data to the engine control unit (ECU), allowing for precise monitoring and adjustment of the cooling system’s performance.

Conclusion

In summary, the 4936459 Water Outlet Connection Assembly is a key component in the engine’s cooling system, ensuring reliable and efficient operation by facilitating essential connections and interactions between the water outlet, thermostat housing, upper radiator hose, and temperature sensors. Regular maintenance and proper installation are crucial for maximizing the performance and longevity of this Cummins part.