4080631
Thermostat
Cummins®

The Cummins 4080631 Thermostat Control Unit is designed to regulate the temperature of heavy-duty truck engines, ensuring optimal engine operating temperatures for efficient and reliable operation ¹.

Basic Concepts of Thermostat Control Units

A thermostat control unit regulates the flow of coolant within an engine cooling system, opening and closing at specific temperatures to allow coolant to flow through the engine or recirculate it back to the radiator ². This process maintains optimal engine temperature, enhancing efficiency, reducing wear and tear, and ensuring stable performance under varying conditions.

Purpose of the Cummins 4080631 Thermostat Control Unit

This Cummins part ensures the engine reaches and maintains its optimal operating temperature, contributing to efficient engine performance, better fuel efficiency, reduced emissions, and prolonged engine life ³.

Key Features

The 4080631 is characterized by its robust design and high-quality materials, contributing to its durability and reliability under demanding conditions. It is engineered to withstand high temperatures and pressures, ensuring consistent performance over time. Additionally, its design may include features that facilitate easy installation and maintenance.

Benefits

Using the 4080631 offers several benefits, including improved engine efficiency, reduced wear and tear on engine components, and enhanced overall truck performance by ensuring the engine operates smoothly and efficiently under a wide range of conditions.

Installation and Integration

Proper installation of the 4080631 is important for its effective performance. It is important to follow manufacturer guidelines to ensure proper functionality, which may involve specific steps or precautions to avoid damage to the unit or the engine system.

Troubleshooting and Maintenance

Referring to the manufacturer’s guidelines for troubleshooting common issues related to the 4080631 is important. Regular maintenance practices, such as checking for signs of wear or damage and ensuring the unit is functioning correctly, can help ensure its longevity and optimal performance.

Cummins Overview

Cummins Inc. is known for its high-quality components and commitment to innovation in the automotive and heavy-duty truck industry. The company’s dedication to quality and performance is evident in its wide range of products, including the 4080631.

Compatibility with Cummins Engines

The 4080631 is designed to integrate seamlessly with various Cummins engine models, including the 4B3.9, 6B5.9, B5.9 GAS PLUS CM556, ISB5.9G CM2180, and QSB5.9G engines. This compatibility ensures that these engines maintain their operational efficiency by providing precise temperature control.

Understanding the Integration of the 4080631 in Engine Systems

The 4080631 plays a role in the thermal management of engine systems by regulating the temperature of the engine through the control of coolant flow.

Interaction with the Thermostat

The thermostat, a temperature-sensitive valve, is positioned between the engine and the radiator. When the engine is cold, the thermostat remains closed, preventing coolant from flowing to the radiator. As the engine temperature rises, the thermostat gradually opens, allowing coolant to circulate through the radiator where it is cooled before returning to the engine.

The 4080631 enhances this process by providing precise control over the thermostat’s operation. It monitors the engine temperature through sensors and adjusts the thermostat’s position accordingly, ensuring that the engine operates within its optimal temperature range.

Benefits of Precise Temperature Control

Integrating the 4080631 into engine systems leads to more consistent temperature management, resulting in improved fuel efficiency, reduced emissions, and extended engine life. The unit’s ability to fine-tune the thermostat’s operation ensures that the engine reaches its optimal operating temperature faster and maintains it more effectively.

Conclusion

The 4080631 Thermostat Control Unit is a vital component in the thermal management of heavy-duty truck engines. Its precise control over coolant flow ensures that engines operate within their optimal temperature range, leading to improved efficiency, reduced emissions, and prolonged engine life. Proper installation, maintenance, and understanding of its integration into engine systems are important for maximizing the benefits of this Cummins part.