3920123
Water Outlet Connection
Cummins®

Introduction

The Water Outlet Connection 3920123, manufactured by Cummins, is a critical component in the cooling systems of heavy-duty trucks. This part ensures the efficient circulation of coolant within the engine, contributing to effective thermal management. Cummins, a reputable name in the automotive and heavy-duty truck industries, ensures that this component meets the stringent demands of such applications ¹.

Function and Operation

The Water Outlet Connection 3920123 directs coolant flow from the engine block to other parts of the cooling system, such as the radiator or heater core. It is strategically positioned to ensure even coolant distribution, which helps maintain optimal engine temperature. This connection allows coolant to exit the engine block and enter the next segment of the cooling loop, ensuring effective heat management and dissipation ².

Key Features

This Cummins part is constructed with durability and efficiency in mind. It is made from high-quality materials that can withstand the high temperatures and pressures typical of heavy-duty engine environments. The design includes robust sealing mechanisms to prevent coolant leaks and features precise connection types that ensure a secure fit within the engine’s cooling system architecture.

Benefits

The Water Outlet Connection 3920123 offers several advantages, including improved coolant flow, which contributes to more effective engine cooling. Enhanced engine protection is another benefit, as consistent coolant circulation helps prevent overheating and potential engine damage. The reliability of this part in heavy-duty applications is a testament to Cummins’ commitment to producing parts that can endure the stresses of demanding operational conditions ³.

Installation Considerations

When installing the Water Outlet Connection 3920123, it is important to follow guidelines to ensure proper function and longevity. This includes adhering to specified torque values for tightening connections to prevent over-tightening, which could damage the part, or under-tightening, which could lead to leaks. Alignment procedures should be carefully followed to ensure that the connection is correctly positioned within the engine’s cooling system.

Maintenance and Troubleshooting

Regular maintenance of the Water Outlet Connection 3920123 is key to its longevity and performance. This includes checking for signs of wear or corrosion, ensuring that seals are intact, and verifying that there are no leaks or blockages in the coolant flow. Should issues arise, such as leaks or reduced coolant flow, troubleshooting steps may involve inspecting the connection for proper seating, checking the integrity of the seals, and ensuring that all connections are secure.

Compatibility

This Cummins part is designed to fit seamlessly with a variety of engine models, ensuring efficient water flow management and optimal engine performance. It is compatible with the following engines:

• 4B3.9
• 6B5.9
• B4.5
• B5.9 G
• B5.9 GAS PLUS CM556
• ISB5.9G CM2180
• QSB3.9 30 CM550
• QSB5.9 30 CM550
• QSB5.9G

These engines, while differing in specifications and applications, share a commonality in their need for precise water outlet connections to maintain proper cooling systems. The part 3920123 is engineered to meet the specific requirements of each engine, ensuring a secure and reliable fit. This compatibility is crucial for maintaining the integrity of the cooling system and preventing potential engine overheating issues.

Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a full line of power generation and related products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industries. The company’s product offerings include engines, filtration, emissions solutions, and related components, all designed to meet the needs of customers in various industries around the world.

Conclusion

The Water Outlet Connection 3920123 by Cummins is a vital component in the cooling systems of heavy-duty trucks, ensuring efficient coolant circulation and optimal engine temperature management. Its robust construction, precise design, and compatibility with various engine models make it a reliable choice for maintaining engine performance and longevity.