4006235
Thermostat Housing
Cummins®

The Cummins 4006235 Thermostat Housing is a critical component in the engine cooling systems of commercial trucks. This part is designed to house the thermostat, which regulates the flow of coolant through the engine, ensuring optimal temperature ranges for engine operation. The housing maintains the integrity of the cooling system by providing a secure enclosure for the thermostat and facilitating proper coolant circulation ¹.

Basic Concepts of Thermostat Housing

A thermostat housing is an essential part of the engine cooling system that encases the thermostat. Its function is to create a sealed environment for the thermostat, allowing it to operate effectively. The housing connects to the engine block and the upper radiator hose, forming a pathway for coolant to travel from the engine to the radiator. It interacts with other components such as the thermostat, which opens and closes to regulate coolant flow based on engine temperature, and coolant passages, which are the channels through which the coolant circulates ².

Purpose of the 4006235 Thermostat Housing

The Cummins 4006235 Thermostat Housing serves to maintain optimal engine temperature by securely holding the thermostat in place. It ensures that the thermostat can function correctly, opening at the appropriate temperature to allow coolant to flow through the engine and closing to recirculate coolant within the engine when it is cold. This role is vital for efficient engine performance, as it helps prevent overheating and ensures that the engine reaches its operating temperature quickly ³.

Key Features

The Cummins 4006235 Thermostat Housing is characterized by its robust design and the materials used in its construction. It is typically made from durable materials that can withstand the high temperatures and pressures of the engine cooling system. The housing is designed to provide a tight seal around the thermostat, preventing coolant leaks. Additionally, it may feature specific design elements that enhance its performance and durability, such as reinforced mounting points or improved coolant flow pathways ⁴.

Benefits

Using the Cummins 4006235 Thermostat Housing offers several advantages. It contributes to improved engine efficiency by ensuring that the engine operates within the optimal temperature range. This housing provides reliable temperature regulation, which is crucial for the longevity of engine components. Its durable construction ensures long-term performance, reducing the need for frequent replacements and maintenance ⁵.

Installation Process

Installing the Cummins 4006235 Thermostat Housing requires careful preparation and the use of appropriate tools. The process involves removing the old housing, cleaning the mating surfaces on the engine block, and ensuring that the gasket is in good condition or replaced if necessary. The new housing is then positioned and secured in place, ensuring that all connections are tight and there are no leaks in the cooling system ⁶.

Common Issues and Troubleshooting

Common issues with thermostat housings can include leaks or malfunctions due to wear, corrosion, or improper installation. Troubleshooting these problems may involve inspecting the housing and gasket for damage, ensuring that all connections are secure, and checking the thermostat for proper operation. Addressing these issues promptly can help maintain the efficiency of the engine cooling system ⁷.

Maintenance Tips

Regular maintenance of the Cummins 4006235 Thermostat Housing is important for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, cleaning the housing to remove any buildup that could impede coolant flow, and replacing the gasket if it shows signs of deterioration. Adhering to manufacturer-recommended inspection intervals can help prevent issues before they become serious ⁸.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry, Cummins is known for its commitment to producing high-quality automotive components. The company’s history of innovation and excellence in engine technology underscores its position as a trusted provider of engine parts, including the Cummins 4006235 Thermostat Housing ⁹.

Thermostat Housing (Part 4006235) Compatibility with Cummins Engines

The Thermostat Housing part 4006235, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part plays a role in maintaining the engine’s optimal operating temperature by regulating the flow of coolant. Below is a detailed look at the compatibility of this thermostat housing with various Cummins engines:

QSK78 Series

The QSK78 series engines, known for their robust performance and reliability, are compatible with the Thermostat Housing part 4006235. This part ensures efficient coolant flow, which is essential for maintaining the engine’s temperature within the desired range, thereby enhancing performance and longevity.

CM500 Series

Similarly, the CM500 series engines benefit from the use of the Thermostat Housing part 4006235. This part is engineered to fit precisely with the CM500 engines, ensuring that the coolant circulates effectively. This compatibility is vital for the engine’s thermal management system, which is crucial for preventing overheating and ensuring smooth operation.

Grouping of Compatible Engines

While the QSK78 and CM500 series engines are highlighted here, it is important to note that the Thermostat Housing part 4006235 is designed to be versatile and compatible with a range of other Cummins engines as well. This part’s design ensures that it can be used across different engine models, providing a reliable solution for thermal management.

By ensuring that the Thermostat Housing part 4006235 is correctly installed, engine owners can maintain the efficiency and reliability of their Cummins engines, contributing to their overall performance and lifespan.

Role of Part 4006235 Thermostat Housing in Engine Systems

The thermostat housing, identified by part number 4006235, is an integral component within the engine system, facilitating the regulation of engine temperature through the controlled flow of coolant. This housing encases the thermostat, which acts as a valve that opens and closes to allow coolant to flow between the engine and the radiator.

Integration with the Engine System

In the engine system, the thermostat housing is strategically positioned to connect the engine block to the upper radiator hose. Its primary function is to house the thermostat, which monitors the engine temperature. When the engine is cold, the thermostat remains closed, preventing coolant flow to the radiator and allowing the engine to warm up quickly. As the engine temperature rises, the thermostat gradually opens, permitting coolant to circulate through the radiator, where it is cooled before returning to the engine. This continuous cycle ensures the engine operates within its optimal temperature range, enhancing performance and efficiency.

Interaction with Auxiliary Cooling Systems

The thermostat housing also plays a role in systems equipped with auxiliary cooling. In such setups, the housing may include additional ports or connections that integrate with the auxiliary cooling system. This system typically consists of an auxiliary water pump and additional radiators, designed to provide extra cooling capacity under high-stress conditions, such as towing or off-road driving. The thermostat housing ensures that the coolant is efficiently directed through these additional cooling loops when necessary, maintaining engine temperature stability even under extreme conditions.

Conclusion

In summary, the Cummins 4006235 Thermostat Housing is a key component in managing engine temperature, ensuring efficient operation and longevity of the engine system. Its integration with both primary and auxiliary cooling systems underscores its importance in maintaining optimal engine performance.