4011294
Thermostat Retainer
Cummins®

Introduction

The Cummins 4011294 Thermostat Retainer is a critical component in the engine cooling system of heavy-duty trucks. It is designed to secure the thermostat, ensuring it remains in place and functions correctly, which is essential for maintaining the engine’s operating temperature and overall efficiency.

Purpose and Function

This part plays a role in the engine cooling system by securing the thermostat in its designated position. It works in conjunction with the thermostat to regulate the flow of coolant through the engine. When the engine reaches the optimal operating temperature, the thermostat opens, allowing coolant to flow through the radiator, where it is cooled before returning to the engine. The retainer ensures that the thermostat operates within the correct parameters, preventing issues such as overheating or inefficient cooling ¹.

Key Features

The Cummins 4011294 Thermostat Retainer is characterized by its robust design and high-quality materials, which contribute to its durability and precision engineering. It is specifically engineered to be compatible with Cummins engines, ensuring a precise fit and reliable performance. The material used in its construction is resistant to the high temperatures and pressures within the engine cooling system, providing long-lasting service ².

Benefits

Utilizing the Cummins 4011294 Thermostat Retainer offers several advantages. It contributes to improved engine performance by ensuring the thermostat operates efficiently, which in turn helps maintain the engine’s optimal operating temperature. This can lead to enhanced reliability and contribute to the longevity of the engine cooling system. Additionally, the precise engineering and compatibility with Cummins engines ensure that the cooling system functions as intended, reducing the risk of overheating and related engine damage ³.

Installation Process

Proper installation of the Thermostat Retainer is vital for optimal performance. The process involves securing the retainer in place around the thermostat, ensuring it is correctly aligned and tightened to the manufacturer’s specifications. Attention to detail during installation helps prevent leaks and ensures the thermostat can operate freely, contributing to efficient engine cooling ⁴.

Common Issues and Troubleshooting

Typical problems associated with Thermostat Retainers include leaks, improper thermostat function, and material wear. Diagnostic tips for addressing these issues involve checking for signs of wear or damage on the retainer, ensuring it is correctly installed, and verifying that the thermostat operates within the expected temperature range. Solutions may include replacing worn components or adjusting the installation to ensure proper function.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and efficiency of the Thermostat Retainer. This includes periodic inspections for signs of wear or damage, ensuring it remains securely in place, and verifying that the thermostat operates correctly. Adhering to recommended inspection intervals and addressing any issues promptly can help maintain the efficiency of the engine cooling system.

Manufacturer Overview - Cummins

Cummins Inc. is a renowned manufacturer in the diesel engine and power generation markets, with a history of innovation and commitment to quality. The company’s reputation is built on its dedication to producing reliable and efficient automotive components, including the 4011294 Thermostat Retainer. Cummins’ focus on quality and compatibility ensures that its components meet the demanding requirements of heavy-duty applications.

Thermostat Retainer Fitment for Cummins Part 4011294

The Thermostat Retainer part number 4011294, manufactured by Cummins, is designed to fit a range of engine models. This component plays a role in securing the thermostat in place, ensuring that the engine maintains optimal operating temperature. Below is a detailed overview of the engines with which this part is compatible.

Compatible Engines

• QSV81G and QSV91G: These engines are part of the Cummins QSV series, known for their reliability and efficiency. The Thermostat Retainer 4011294 is specifically engineered to fit these models, ensuring a secure fit and proper function of the thermostat.

• QSW/QSV82: This dual-engine designation indicates compatibility with both the QSW and QSV82 models. The Thermostat Retainer 4011294 is designed to meet the requirements of both engines, providing a consistent fit across the series.

• QSW27, QSW36, and QSW73: These engines are part of the Cummins QSW series. The Thermostat Retainer 4011294 is crafted to fit these engines, ensuring that the thermostat is held securely in place, which is vital for maintaining the engine’s temperature regulation.

Grouping for Compatibility

When considering the compatibility of the Thermostat Retainer 4011294, it is helpful to group the engines based on their series and model numbers. The QSV series (QSV81G, QSV91G, QSW/QSV82) and the QSW series (QSW27, QSW36, QSW73) both benefit from this part, which is designed to provide a reliable and secure fit across these models. This grouping ensures that users can confidently select the correct part for their specific engine needs.

Role of Part 4011294 Thermostat Retainer in Engine Systems

The part 4011294 Thermostat Retainer is a component in the orchestration of various engine systems, ensuring optimal performance and efficiency. It is meticulously designed to integrate with several key components, facilitating a seamless operation within the engine’s thermal management system.

Integration with Thermostat Housing and Related Components

The Thermostat Retainer works in conjunction with the thermostat housing, securing the thermostat in place. This arrangement is vital for the precise control of coolant flow through the engine. The retainer ensures that the thermostat operates within its designed parameters, contributing to the engine’s thermal stability.

Collaboration with Engine Oil Cooler and Related Systems

In engines equipped with an engine oil cooler or an engine oil assembly cooler, the Thermostat Retainer plays a supportive role. It assists in maintaining the correct operational temperature of the coolant, which indirectly affects the efficiency of the oil cooling process. The stable coolant temperature ensured by the retainer contributes to the optimal performance of the lubricating oil module assembly and the overall engine oil system.

Function within the Thermostat Assembly

The retainer is a fundamental part of the thermostat assembly, including the thermostat assembly holder and the thermostat assembly housing. It ensures that the thermostat is correctly positioned and secured, allowing for accurate temperature regulation. This is particularly important in the thermostat sub-assembly housing, where precise control over coolant flow is essential for engine protection.

Role in Thermostat Housing Mounting and Cover

The Thermostat Retainer is also integral to the thermostat housing mounting and the thermostat housing cover. It provides the necessary support and stability to these components, ensuring that they function effectively in varying engine conditions. This is especially important in the thermostat equip housing, where the retainer helps in maintaining the integrity of the thermostat’s position.

Contribution to Overall Engine Efficiency

By securely holding the thermostat in place, the part 4011294 Thermostat Retainer contributes to the engine’s overall efficiency. It ensures that the engine operates within its optimal temperature range, which is crucial for the longevity and performance of the engine components, including the single assembly mounting and the oil assembly cooler.

Conclusion

The Cummins 4011294 Thermostat Retainer is a key component in the engine’s thermal management system, working in harmony with various components to ensure the engine operates efficiently and reliably. Its robust design, compatibility with Cummins engines, and role in maintaining optimal engine temperature make it an essential part of the engine cooling system.