4964706
Thermostat Housing Cover
Cummins®

The 4964706 Thermostat Housing Cover is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part is integral to the operation of commercial trucks, ensuring the engine maintains optimal performance and longevity.

Function and Operation

The Thermostat Housing Cover plays a role in the engine cooling system by housing the thermostat and regulating coolant flow. It is positioned at a strategic point in the engine where it can effectively manage the temperature of the coolant as it circulates through the system. The thermostat within the housing opens and closes to control the flow of coolant to the radiator, ensuring that the engine operates within its ideal temperature range ¹.

Key Features

This Cummins part is constructed from durable materials designed to withstand the high temperatures and pressures of the engine environment. Its design includes precise fittings and seals to ensure a secure and leak-free connection to the engine block. Additionally, the housing is engineered to provide easy access for thermostat replacement, enhancing maintainability ².

Benefits

The 4964706 Thermostat Housing Cover offers several advantages. It contributes to improved engine performance by ensuring consistent and reliable temperature regulation. Its robust construction enhances durability, reducing the likelihood of failures and the need for frequent replacements. Furthermore, the precise control of coolant flow aids in maintaining engine efficiency and prolonging the lifespan of the engine components ³.

Installation Process

Installing the Thermostat Housing Cover requires careful attention to detail. Begin by ensuring the engine is cool and the cooling system is depressurized. Remove the old housing, taking care not to damage the gasket or the engine block. Clean the mating surfaces thoroughly. Apply a fresh gasket to the new housing and position it onto the engine block. Secure it with the appropriate fasteners, ensuring they are tightened to the manufacturer’s specified torque settings. Finally, refill the cooling system with the recommended coolant mixture and check for leaks upon initial startup.

Common Issues and Troubleshooting

Typical problems with the Thermostat Housing Cover may include leaks or malfunctions due to gasket failure or thermostat issues. If a leak is detected, the housing should be inspected for damage and the gasket replaced if necessary. Should the thermostat fail to operate correctly, it may need to be replaced. Regular inspections during maintenance checks can help identify potential issues before they lead to more significant problems.

Maintenance Tips

To ensure the longevity and efficiency of the 4964706 Thermostat Housing Cover, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, ensuring all connections are secure, and replacing the thermostat and gasket as part of routine engine maintenance. Additionally, maintaining the correct coolant level and mixture is vital for the overall health 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 spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. Their product range includes a variety of engines and components designed to meet the demanding requirements of commercial and industrial applications.

Thermostat Housing Cover 4964706 Compatibility with Cummins Engines

The Thermostat Housing Cover part number 4964706, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is integral in maintaining the thermal regulation of the engine by housing the thermostat and ensuring the coolant flows correctly.

QSK50 Engines

For the QSK50 engines, the Thermostat Housing Cover 4964706 is specifically engineered to fit both the QSK50 CM2150 K107 and the QSK50 CM2150 MCRS variants. This compatibility ensures that the thermal management system operates efficiently, maintaining optimal engine performance and longevity.

CM2150 Engines

The CM2150 series, including the K107 and MCRS variants, benefit from the precise fit and robust construction of the 4964706 Thermostat Housing Cover. This part is crucial for the thermal regulation of these engines, ensuring that the coolant system functions as intended.

MCRS Variants

The MCRS variant of the QSK50 CM2150 engine also integrates the 4964706 Thermostat Housing Cover without any issues. This compatibility highlights the versatility and precision of Cummins’ design, ensuring that the thermal management system remains effective across different engine configurations.

By ensuring a perfect fit with these engine models, the Thermostat Housing Cover 4964706 plays a role in maintaining the engine’s thermal efficiency and overall performance.

Role of Part 4964706 Thermostat Housing Cover in Engine Systems

The part 4964706 thermostat housing cover is an integral component in the thermal management system of an engine. It encases the thermostat, which is responsible for regulating the flow of coolant between the engine and the radiator. This regulation ensures that the engine operates within its optimal temperature range, enhancing performance and longevity.

When the engine is cold, the thermostat remains closed, preventing coolant from flowing to the radiator. This allows the engine to warm up quickly. Once the engine reaches the optimal operating temperature, the thermostat opens, allowing coolant to circulate through the radiator, where it is cooled before returning to the engine. The thermostat housing cover plays a role in this process by providing a secure enclosure for the thermostat, protecting it from external contaminants and ensuring a leak-free seal.

Additionally, the housing cover often includes passages and ports that facilitate the flow of coolant to and from the engine block, water pump, and heater core. This design ensures efficient coolant circulation, which is essential for maintaining consistent engine temperature and preventing overheating.

Conclusion

In summary, the 4964706 thermostat housing cover is a key component that supports the proper functioning of the thermostat and the overall coolant system, contributing to the engine’s thermal efficiency and reliability.