3106154
Thermostat Top Level Assembly Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$194.95 $231.99

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 Thermostat Top Level Assembly Housing, identified by Cummins Part #3106154, is a vital component in the engine cooling system of heavy-duty trucks. Manufactured by Cummins Inc., a renowned leader in the automotive industry, this part ensures optimal engine performance by maintaining precise temperature control. Understanding its function, features, and maintenance is essential for ensuring the longevity and efficiency of heavy-duty truck engines.

Function and Operation

The Thermostat Top Level Assembly Housing operates within the engine cooling system by regulating the flow of coolant based on the engine’s temperature. When the engine is cold, the thermostat remains closed, preventing coolant from flowing through the radiator. As the engine warms up, the thermostat opens, allowing coolant to circulate and dissipate heat. This process helps maintain the engine within its optimal operating temperature range, enhancing performance and efficiency 1.

Key Features

The design and construction of the Thermostat Top Level Assembly Housing incorporate several key features that contribute to its effectiveness. The housing is typically made from durable materials such as aluminum or high-grade plastic, ensuring resistance to corrosion and high temperatures. It includes a precise sealing mechanism to prevent coolant leaks, and it is engineered to integrate seamlessly with other engine components. The thermostat itself is designed to open and close at specific temperatures, providing consistent and reliable performance 2.

Benefits

The Thermostat Top Level Assembly Housing offers several advantages that contribute to improved engine performance. By maintaining optimal engine temperature, it helps prevent overheating, which can lead to engine damage. Additionally, consistent temperature control enhances fuel efficiency and reduces emissions. The durable construction of the housing ensures long-lasting performance, minimizing the need for frequent replacements. Reliable temperature regulation also contributes to the overall durability and longevity of the engine 3.

Installation and Maintenance

Proper installation of the Thermostat Top Level Assembly Housing is vital for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines, ensuring that all sealing surfaces are clean and free from debris. Regular maintenance practices, such as inspecting for leaks and ensuring the thermostat operates correctly, are recommended to prevent issues. Additionally, following the manufacturer’s recommended service intervals for coolant changes can help maintain the efficiency of the cooling system.

Troubleshooting Common Issues

Common issues associated with the Thermostat Top Level Assembly Housing include leaks, stuck thermostats, and inaccurate temperature readings. Diagnostic procedures may involve checking for coolant leaks, testing the thermostat’s operation, and verifying the accuracy of temperature sensors. Recommended solutions include replacing worn seals, cleaning or replacing the thermostat, and calibrating or replacing temperature sensors as needed. Addressing these issues promptly can help maintain the efficiency and reliability of the engine cooling system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for innovation, quality, and reliability in the automotive industry. The company offers a wide range of products, including engines for heavy-duty trucks, filtration systems, and aftermarket parts. Cummins’ commitment to excellence and customer satisfaction underscores the quality and reliability of its Thermostat Top Level Assembly Housing.

Thermostat Top Level Assembly Housing for ISM CM876 and ISM11 CM876 SN Engines

The Thermostat Top Level Assembly Housing, part number 3106154, manufactured by Cummins, is an integral component for the ISM CM876 and ISM11 CM876 SN engines. This part plays a role in the engine’s cooling system by housing the thermostat, which regulates the engine’s temperature.

For the ISM CM876 engine, the 3106154 part ensures that the thermostat operates efficiently, maintaining optimal engine performance. Similarly, in the ISM11 CM876 SN engine, this housing is designed to fit seamlessly, providing a reliable seal and support for the thermostat.

Both engines benefit from the precision engineering of this component, ensuring that the thermostat can accurately control the flow of coolant, thereby preventing overheating and maintaining the engine’s efficiency.

Understanding the Integration of Thermostat Top Level Assembly Housing (Part 3106154) in Engine Systems

The Thermostat Top Level Assembly Housing, identified by part number 3106154, is an integral component in the thermal management system of an engine. This housing encases the thermostat, which is responsible for regulating the flow of coolant to the engine based on its temperature.

When installed, the housing connects to the engine block or cylinder head, typically at the point where the upper radiator hose attaches. This connection ensures a sealed pathway for coolant to travel from the engine to the radiator and back. The housing also incorporates passages for coolant flow, which are essential for distributing heat away from the engine components.

Additionally, the housing may include provisions for temperature sensors. These sensors monitor the coolant temperature and send data to the engine control unit (ECU), allowing for precise control of the engine’s operating temperature. The ECU uses this information to adjust the thermostat’s operation, ensuring optimal engine performance and efficiency.

In some engine designs, the housing may also serve as a mounting point for other components, such as the coolant temperature sensor or the thermostat itself. This multifunctional role enhances the housing’s importance in maintaining the engine’s thermal equilibrium.

Furthermore, the housing is designed to withstand the pressures and temperatures within the cooling system, ensuring durability and reliability over the engine’s lifespan. Its robust construction is vital for preventing leaks and maintaining the integrity of the cooling system.

Conclusion

In summary, the Thermostat Top Level Assembly Housing (part 3106154) plays a role in the engine’s cooling system by providing a secure and efficient pathway for coolant flow, housing essential sensors, and contributing to the overall thermal management of the engine. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential for ensuring the longevity and efficiency of heavy-duty truck engines.


  1. Harrison, Matthew. Controlling Noise and Vibration in Road Vehicles. SAE International, 2004.

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

  3. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines, 5th Edition. McGraw-Hill, 2018.

SPECIFICATIONS

Package Dimensions
15.4 x 11.5 x 9.0 in
Weight
13 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* 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.