3924586
Thermostat Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$68.95 $82.05

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 3924586 Thermostat Housing is a component designed for use in heavy-duty trucks. It plays a role in the engine’s cooling system by ensuring that the engine operates within optimal temperature ranges. This housing is integral to maintaining the efficiency and reliability of the engine, contributing to the overall performance and longevity of the vehicle.

Basic Concepts of Thermostat Housing

A thermostat housing is a part of the engine cooling system that encloses the thermostat. Its primary function is to regulate the flow of coolant through the engine. When the engine is cold, the thermostat remains closed, preventing coolant from circulating through the radiator. As the engine warms up, the thermostat opens, allowing coolant to flow and maintain a stable operating temperature. The housing also provides a secure environment for the thermostat and connects to coolant passages within the engine 1.

Purpose of the Thermostat Housing

The Cummins 3924586 Thermostat Housing maintains optimal engine temperature. It ensures that the engine reaches and maintains its operating temperature efficiently. This regulation is vital for engine performance, fuel efficiency, and the prevention of engine wear. By controlling the flow of coolant, the housing helps to protect the engine from overheating and ensures consistent performance under various driving conditions 2.

Key Features

This Cummins part is characterized by several key features. It is constructed from durable materials to withstand the high temperatures and pressures of the engine environment. The housing is precisely engineered to fit specific Cummins engine models, ensuring a secure and leak-free connection. Its design allows for easy installation and maintenance, contributing to the overall reliability of the cooling system.

Benefits

Using the Cummins 3924586 Thermostat Housing offers several benefits. It contributes to improved engine efficiency by ensuring that the engine operates at the optimal temperature. This regulation leads to better fuel economy and reduced emissions. The housing also provides reliable temperature regulation, which is crucial for the longevity of the engine. Its durable construction ensures long-term performance, reducing the need for frequent replacements 3.

Installation Considerations

Proper installation of the Thermostat Housing is important for ensuring the effectiveness of the engine cooling system. The installation process requires specific tools and should follow manufacturer guidelines to avoid common pitfalls such as leaks or improper seating. Careful attention to torque specifications and the condition of gaskets and seals is necessary to ensure a secure and efficient installation.

Troubleshooting and Maintenance

Common issues with thermostat housings include leaks and temperature irregularities. Regular inspection for signs of wear or damage can help identify potential problems early. Maintenance tips include checking for proper installation, ensuring all connections are secure, and monitoring the engine’s temperature to detect any anomalies. Addressing issues promptly can prevent more significant problems and ensure the longevity of the thermostat housing.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive industry. The company offers a wide range of products, including diesel engines and components, serving various industries with reliable and efficient power solutions.

Understanding the Integration of Thermostat Housing (Part 3924586) in Engine Systems

The thermostat housing, identified by part number 3924586, is an integral component in the thermal management system of an engine. It is designed to encase the thermostat, which regulates the flow of coolant between the engine and the radiator.

Role in the Cooling System

The thermostat housing is strategically positioned to connect the engine block to the upper radiator hose. Its primary function is to provide a secure enclosure for the thermostat, ensuring that the coolant is effectively directed based on the engine’s temperature.

Interaction with Other Components

  1. Engine Block: The housing mounts directly to the engine block, typically near the cylinder head. This placement allows it to interface with the coolant passages within the block, facilitating the flow of coolant into and out of the engine.

  2. Thermostat: Inside the housing, the thermostat is seated. As the engine warms up, the thermostat modulates its position to control the flow of coolant. When the engine is cold, the thermostat remains closed, directing coolant through the engine block to warm it up quickly. As the engine reaches operating temperature, the thermostat opens, allowing coolant to flow to the radiator for cooling.

  3. Upper Radiator Hose: The housing is connected to the upper radiator hose, which carries hot coolant from the engine to the radiator. This connection is vital for maintaining the coolant circulation loop.

  4. Coolant: The housing ensures that coolant is distributed efficiently. It prevents leaks and maintains pressure within the cooling system, which is essential for optimal engine performance and prevention of overheating.

  5. Sensors: Many modern thermostat housings include provisions for temperature sensors. These sensors provide feedback to the engine control unit (ECU), allowing for precise management of the engine’s temperature and ensuring efficient operation.

Conclusion

In summary, the thermostat housing (part 3924586) plays a significant role in the engine’s cooling system by securely housing the thermostat and facilitating the proper flow of coolant. Its integration with the engine block, thermostat, upper radiator hose, and coolant system components ensures that the engine maintains optimal operating temperatures.


  1. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing Limited, 2011.

  2. Hick, Hannes, Klaus Kupper, and Helfried Sorger. Systems Engineering for Automotive Powertrain Development. Springer, 2021.

  3. Gilles, Tim. Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning, 2020.

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* 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.
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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.