3090169
Thermostat Housing
Cummins®

Introduction

The Cummins 3090169 Thermostat Housing is a critical component in the engine systems of commercial trucks. It is designed to house the thermostat, which regulates the flow of coolant through the engine, ensuring optimal operating temperatures. This part plays a significant role in maintaining the efficiency and reliability of the engine cooling system.

Basic Concepts of Thermostat Housing

A thermostat housing is an essential part of the engine cooling system that encases the thermostat. It facilitates the thermostat’s function by providing a secure environment for it to operate within. The housing connects to the engine block and the upper radiator hose, allowing coolant to flow between the engine and the radiator. This interaction is vital for dissipating heat generated by the engine, thus maintaining a stable operating temperature ¹.

Purpose of the 3090169 Thermostat Housing

The 3090169 Thermostat Housing is integral to the operation of a truck’s engine. It ensures that the engine reaches and maintains its optimal operating temperature as quickly as possible. By regulating the flow of coolant, it helps prevent the engine from overheating or running too cold, both of which can lead to decreased efficiency and potential damage. This housing contributes to the overall performance and longevity of the engine by ensuring consistent temperature regulation ².

Key Features

The 3090169 Thermostat Housing is constructed from materials that offer durability and resistance to the high temperatures and pressures within the engine cooling system. Its design includes features that enhance its performance, such as precise coolant passages that ensure efficient flow and a secure mounting system that prevents leaks. These attributes, combined with its compatibility with specific Cummins engine models, make it a reliable component for commercial truck engines ³.

Benefits

Utilizing the 3090169 Thermostat Housing offers several advantages. It contributes to improved engine efficiency by ensuring that the engine operates within its optimal temperature range. This regulation leads to more reliable performance and can extend the engine’s lifespan. Additionally, the housing’s durable construction and design features support long-term use without the need for frequent replacements or repairs.

Installation and Compatibility

Proper installation of the 3090169 Thermostat Housing is crucial for its effective function. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and proper operation within the engine cooling system. This housing is designed to be compatible with specific Cummins engine models, ensuring that it meets the requirements for optimal performance in those applications.

Troubleshooting and Maintenance

Common issues with thermostat housings can include leaks, which may result from improper installation or wear over time. Regular inspection and maintenance can help identify potential problems early, allowing for timely repairs or replacements. Ensuring that the housing and its connections are secure and free from damage can contribute to the longevity and performance 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. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. Its product range includes a variety of engine and component solutions designed to meet the demanding requirements of commercial transportation, emphasizing reliability, efficiency, and durability.

Compatibility with Cummins Engines

The Thermostat Housing part number 3090169, manufactured by Cummins, is designed to fit a range of Cummins engines. This part is integral to the engine’s cooling system, ensuring that the engine operates at an optimal temperature by regulating the flow of coolant.

Compatible Engines

• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G

These engines, while differing in specifications and applications, share a commonality in their need for effective coolant management. The Thermostat Housing 3090169 is engineered to provide a secure and efficient seal, preventing coolant leaks and ensuring the engine’s cooling system functions correctly.

Role of Part 3090169 Thermostat Housing in Engine Systems

The thermostat housing, identified by part number 3090169, 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 to the engine based on its temperature.

Integration with Engine Components

1. Thermostat Arrangement: The primary function of the thermostat housing is to securely hold the thermostat in place. This arrangement ensures that the thermostat can effectively control the flow of coolant through the engine.

2. Housing Functionality: Beyond holding the thermostat, the housing also serves as a connection point for various plumbing components. It interfaces with the upper radiator hose, allowing coolant to flow from the radiator into the engine. Additionally, it connects to the engine block or cylinder head, facilitating the circulation of coolant throughout the engine.

3. Plumbing System: The thermostat housing is a key part of the engine’s plumbing system. It ensures that coolant is directed efficiently, maintaining optimal engine temperature. This is achieved through precise connections to other components such as the water pump and radiator.

4. Thermostat Housing Role: In summary, the thermostat housing (part 3090169) plays a significant role in the engine’s cooling system. It not only houses the thermostat but also acts as a vital junction in the coolant flow path, ensuring that the engine operates within its designed temperature range.

Understanding the role of the thermostat housing in these systems highlights its importance in maintaining engine efficiency and longevity.

Conclusion

The Cummins 3090169 Thermostat Housing is a vital component in the engine cooling system of commercial trucks. Its role in regulating coolant flow ensures that the engine operates within optimal temperature ranges, contributing to the engine’s efficiency, reliability, and longevity. Proper installation, regular maintenance, and understanding its integration with engine components are essential for maximizing the benefits of this part.