4295255
Thermostat Housing
Cummins®

Introduction

The Cummins 4295255 Thermostat Housing is a component designed for use in the engine cooling systems of heavy-duty trucks. It serves to house the thermostat, which regulates the flow of coolant through the engine. This part plays a role in maintaining the engine’s optimal operating temperature, ensuring efficient performance, and protecting the engine from potential damage due to overheating ¹.

Basic Concepts of Thermostat Housing

A thermostat housing is a part of the engine cooling system that encases the thermostat. Its function is to provide a secure environment for the thermostat to operate within, while also facilitating the passage of coolant to and from the engine block. The housing interacts with various components, including the thermostat itself, coolant passages, and the engine block, to regulate coolant flow based on the engine’s temperature ².

Purpose of the Cummins 4295255 Thermostat Housing

The Cummins 4295255 Thermostat Housing is integral to the operation of a truck’s engine. It plays a role in maintaining the engine’s optimal temperature by regulating the flow of coolant. This regulation ensures that the engine operates efficiently under various conditions. Additionally, by maintaining proper temperature levels, the housing helps protect the engine from overheating, which can lead to reduced performance and potential damage ¹.

Key Features

The Cummins 4295255 Thermostat Housing is characterized by several key features. It is constructed from durable materials to withstand the harsh conditions of heavy-duty truck operation. Its engineering is precise, ensuring a proper fit and function within the engine system. The housing is designed to be compatible with specific Cummins engines, and it includes design enhancements aimed at improving performance and longevity ¹.

Benefits

Using the Cummins 4295255 Thermostat Housing offers several benefits. It provides reliable temperature regulation, which contributes to enhanced engine efficiency. By maintaining optimal engine temperature, the risk of engine damage due to overheating is reduced. Furthermore, the housing’s design and construction contribute to the overall performance and durability of the vehicle ¹.

Installation and Compatibility

Proper installation of the Cummins 4295255 Thermostat Housing is important for ensuring its effective function within the engine cooling system. It is compatible with specific Cummins engine models, and during installation, it is important to follow manufacturer guidelines to ensure a secure and proper fit. Considerations such as gasket condition and torque specifications should be observed to prevent issues such as leaks or improper thermostat operation ¹.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 4295255 Thermostat Housing is important for ensuring its continued effective operation. This includes checking for signs of wear or malfunction, such as leaks or temperature irregularities. Troubleshooting may involve inspecting the thermostat and housing for proper operation and condition. Regular maintenance intervals, as recommended by the manufacturer, should be observed to ensure optimal performance and longevity of the component ¹.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its diesel engines and related components. The company has a history of innovation and commitment to quality, making it a leading provider of solutions for heavy-duty trucks and other applications. Its reputation is built on a foundation of engineering excellence and a dedication to meeting the needs of its customers with reliable, high-performance products ².

Thermostat Housing Fitment for Cummins Engines

The Thermostat Housing part number 4295255, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This part is crucial for maintaining the engine’s optimal operating temperature by regulating the flow of coolant. Below is a detailed description of how this thermostat housing fits with specific Cummins engines.

QST30 CM2350 T101

The QST30 CM2350 T101 engine is engineered for durability and efficiency, and the thermostat housing part 4295255 is specifically tailored to integrate with its design. This part ensures that the coolant flows efficiently, maintaining the engine’s temperature within the desired range. The fitment process involves aligning the housing with the engine block and securing it with the appropriate fasteners to ensure a leak-proof seal ¹.

QST30 CM552

Similarly, the QST30 CM552 engine benefits from the precise fit of the thermostat housing part 4295255. This part is engineered to match the engine’s specifications, ensuring that the coolant passages are correctly aligned and sealed. The installation involves careful positioning of the housing to avoid any misalignment that could lead to overheating or inefficient coolant flow ¹.

Grouping of Engines

Both the QST30 CM2350 T101 and QST30 CM552 engines share common design principles that make the thermostat housing part 4295255 a compatible fit. The housing is designed to work with the specific contours and requirements of these engines, ensuring that the coolant flow is optimized for performance and longevity. The installation process for both engines involves similar steps, including alignment, securing, and ensuring a tight seal to prevent leaks ¹.

By using the thermostat housing part 4295255, these engines can maintain their operational efficiency and reliability, thanks to the precise engineering and quality materials used in the part’s construction.

Role of Part 4295255 Thermostat Housing in Engine Systems

Part 4295255, the Thermostat Housing, is an integral component in the thermal management of engine systems. It is designed to encase the thermostat, which regulates the flow of coolant between the engine and the radiator.

In conjunction with the Auxiliary Cooling System, the Thermostat Housing ensures that the engine operates within optimal temperature ranges. The housing directs coolant flow based on the thermostat’s position, which is influenced by the engine’s 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 opens, enabling coolant to circulate through the radiator, where it is cooled before returning to the engine.

The housing also plays a role in maintaining system pressure, which is essential for efficient coolant circulation and preventing boiling or cavitation within the cooling system. Additionally, it provides a secure mounting point for temperature sensors, which monitor engine temperature and send data to the engine control unit (ECU) for further regulation ².

Conclusion

In summary, the Cummins 4295255 Thermostat Housing is a key element in the interplay between the thermostat, coolant flow, and the auxiliary cooling system, ensuring the engine maintains optimal operating temperatures. Its precise engineering, compatibility with specific Cummins engines, and role in maintaining system pressure and temperature regulation make it a critical component for the efficient and reliable operation of heavy-duty truck engines.