3907242
Thermostat
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$13.95 $16.60

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3907242 Thermostat is a component designed for use in commercial trucks, playing a role in the operation of these vehicles. This Cummins part is integral to the engine management system, specifically within the cooling system. Its purpose is to regulate the engine’s temperature, ensuring it operates within optimal ranges for efficiency and longevity. Understanding the function and significance of thermostats in engine management is fundamental for maintaining and optimizing the performance of commercial trucks 1.

Basic Concepts of Thermostats

A thermostat is a device that senses the temperature of a fluid, in this case, the engine coolant, and controls the flow of this fluid to regulate the temperature. Within an engine cooling system, the thermostat operates by opening and closing at specific temperatures to allow coolant to flow through the engine or recirculate it back. This regulation is vital for engine performance and longevity, as it prevents the engine from overheating or running too cold, both of which can lead to inefficiencies and damage 2.

Purpose of the Cummins 3907242 Thermostat

The Cummins 3907242 Thermostat is specifically designed to maintain the optimal operating temperature of a truck’s engine. By regulating the flow of coolant, it ensures that the engine reaches its operating temperature quickly and maintains this temperature under various driving conditions. This contributes to efficient engine performance, improved fuel efficiency, and reduced wear on engine components 3.

Key Features

The Cummins 3907242 Thermostat is constructed with high-quality materials to ensure durability and reliable performance. Its design includes precise engineering to accurately regulate temperature and withstand the rigors of heavy-duty applications. The materials used in its construction are chosen for their resistance to corrosion and ability to function under high pressure and temperature conditions, enhancing the thermostat’s functionality and longevity 4.

Benefits

The advantages provided by the Cummins 3907242 Thermostat include improved fuel efficiency, enhanced engine longevity, and overall better truck performance. By maintaining optimal engine temperature, it ensures that the engine operates efficiently, which can lead to savings in fuel consumption. Additionally, consistent temperature regulation helps in reducing wear and tear on engine components, contributing to the engine’s longevity. For fleet operators, this means reduced maintenance costs and increased reliability.

Installation and Compatibility

Proper installation of the Cummins 3907242 Thermostat is crucial for its effective operation. It is designed to be compatible with various Cummins engine models, ensuring a seamless fit and function. Specific installation considerations may include ensuring the thermostat is correctly oriented and securely fastened to prevent coolant leaks and ensure efficient operation.

Troubleshooting and Maintenance

Common issues with thermostats can include failure to open or close properly, leading to overheating or inefficient engine operation. Identifying these issues involves monitoring engine temperature and performance. Troubleshooting the Cummins 3907242 Thermostat may involve checking for proper installation, ensuring there are no obstructions in the coolant flow, and verifying that the thermostat operates within its specified temperature range. Regular maintenance, such as inspecting for wear and ensuring proper operation, can help in prolonging the thermostat’s lifespan and maintaining optimal engine performance.

Performance in Various Conditions

The Cummins 3907242 Thermostat is engineered to perform effectively under a wide range of driving conditions and environments. Its design allows it to maintain optimal engine temperature in both extreme cold and hot conditions, as well as under the stress of heavy-duty applications. This ensures consistent engine performance and efficiency, regardless of the operating environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s dedication to advancing engine technology and components is evident in products like the Cummins 3907242 Thermostat, which embodies Cummins’ commitment to quality, performance, and reliability in engine components.

Thermostat 3907242 Compatibility with Cummins Engines

The thermostat part number 3907242, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for maintaining optimal engine temperature by regulating the flow of coolant. Here is a detailed look at its compatibility with specific Cummins engines:

6C8.3 and C8.3 G Engines

The thermostat 3907242 is compatible with the 6C8.3 and C8.3 G engines. These engines are part of the Cummins diesel engine family, known for their durability and efficiency in various applications. The thermostat ensures that these engines maintain the correct operating temperature, which is essential for performance and longevity.

G8.3 Engine

The G8.3 engine is another model where the thermostat 3907242 can be effectively used. This engine is designed for heavy-duty applications, and the thermostat plays a vital role in managing the engine’s temperature under demanding conditions.

C GAS PLUS CM556 Engine

The C GAS PLUS CM556 engine also benefits from the use of the thermostat 3907242. This engine is part of Cummins’ gas engine lineup, and the thermostat helps in maintaining the engine’s temperature within the optimal range, ensuring efficient operation and reducing the risk of overheating.

By ensuring that the thermostat 3907242 is correctly installed in these engines, users can maintain the engine’s performance and reliability, preventing potential issues related to temperature management.

Role of Part 3907242 Thermostat in Engine Systems

The part 3907242 thermostat is a component within various engine systems, ensuring optimal performance and efficiency. When integrated into an engine, this thermostat operates by regulating the flow of coolant based on the engine’s temperature.

In a kit that includes multiple engine components, the thermostat works in conjunction with the water pump, radiator, and coolant passages. It opens and closes at specific temperatures to maintain the engine at its optimal operating temperature, enhancing fuel efficiency and reducing emissions.

For a Ford dealer, the thermostat is a key part when servicing or repairing Ford engines. It ensures that the engine does not overheat during operation, which could lead to severe damage. The thermostat’s precise control over coolant flow helps in achieving consistent engine performance across different driving conditions.

In a marine spare parts kit, the thermostat is vital for marine engines, which often operate in varying environmental conditions. It helps in maintaining the engine’s temperature, which is crucial for the durability and reliability of marine engines. The thermostat ensures that the engine does not overheat in hot climates or underperform in colder waters.

Overall, the part 3907242 thermostat plays a role in enhancing the efficiency, performance, and longevity of engine systems across various applications.

Conclusion

The Cummins 3907242 Thermostat is a critical component for maintaining optimal engine performance in commercial trucks. Its role in regulating engine temperature ensures efficient operation, improved fuel efficiency, and reduced wear on engine components. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are essential for maximizing the benefits of this thermostat. The Cummins 3907242 Thermostat exemplifies Cummins’ commitment to quality and reliability in engine components, contributing to the overall performance and longevity of commercial truck engines.


  1. Hilgers, Michael, and Wilfried Achenbach. Vocational Vehicles and Applications. Springer Vieweg, 2021.

  2. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  3. Viskup, Richard. Diesel and Gasoline Engines. IntechOpen, 2020.

  4. Lakshminarayanan, P A, and Yogesh V Aghav. Modelling Diesel Combustion. Springer Science, 2010.

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* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.