3076539
Thermostat Housing
Cummins®

The Thermostat Housing Assembly, specifically Part #3076539 by Cummins, is a component integral to the engine cooling system of heavy-duty trucks. This assembly houses the thermostat, which regulates the flow of coolant to maintain optimal engine temperature. Cummins, a well-established manufacturer in the automotive industry, is known for its commitment to quality and innovation in engine components ¹.

Function and Operation

The Thermostat Housing Assembly operates by containing the thermostat, which opens and closes to control the flow of coolant from the engine to the radiator. When the engine is cold, the thermostat remains closed, preventing coolant flow and allowing the engine to warm up quickly. As the engine temperature rises, the thermostat opens, allowing coolant to circulate through the engine and radiator, thereby regulating temperature and preventing overheating ².

Key Features

This Cummins part is constructed from durable materials, ensuring longevity and resistance to corrosion. Its design includes precise fittings and seals to prevent leaks and maintain efficient coolant flow. Unique characteristics of this assembly may include enhanced sealing mechanisms and compatibility with high-performance engine systems.

Benefits

The 3076539 Thermostat Housing Assembly offers several advantages. It contributes to improved engine performance by ensuring consistent temperature regulation. Its durable construction enhances the reliability of the cooling system, reducing the likelihood of failures. Additionally, the assembly’s design supports efficient coolant circulation, which is vital for maintaining engine health over extended periods ³.

Installation Process

Proper installation of the Thermostat Housing Assembly involves several steps. Begin by ensuring the engine is cool and the cooling system is drained. Remove the old housing assembly, taking care to note the position of any gaskets or seals. Install the new assembly, ensuring all fittings are secure and seals are correctly positioned. Refill the cooling system with the appropriate coolant mixture and check for leaks upon initial startup.

Common Issues and Troubleshooting

Common problems with the Thermostat Housing Assembly may include leaks, temperature irregularities, and thermostat malfunctions. To diagnose leaks, inspect the housing for any signs of coolant seepage and check the integrity of seals and gaskets. Temperature irregularities may indicate a faulty thermostat or blockages in the cooling system. Regular inspections and maintenance can help identify and address these issues promptly.

Maintenance Tips

To ensure the longevity and efficient operation of the Thermostat Housing Assembly, regular maintenance is recommended. Inspect the assembly during routine engine checks, looking for signs of wear, corrosion, or leaks. Replace gaskets and seals as needed, and consider replacing the entire assembly if significant wear is detected. Adhering to manufacturer-recommended inspection intervals will help maintain optimal performance.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, with a rich history of producing high-quality engine components. The company’s product range includes a variety of engine parts and systems designed for durability and performance. Cummins is renowned for its commitment to quality and innovation, ensuring that its components meet the demanding requirements of heavy-duty applications.

Thermostat Housing Assembly for Cummins Engines

The Thermostat Housing Assembly, part number 3076539, is a critical component in the cooling system of certain Cummins engines. This part is designed to house the thermostat, which regulates the engine’s temperature by controlling the flow of coolant. The assembly ensures that the engine operates within its optimal temperature range, preventing overheating and ensuring efficient performance.

Compatibility with Cummins Engines

The Thermostat Housing Assembly, part number 3076539, is compatible with the following Cummins engines:

• N14 CELECT PLUS
• N14 MECHANICAL

These engines are known for their robust design and reliability, often used in heavy-duty applications such as trucks and industrial machinery. The thermostat housing assembly plays a vital role in maintaining the engine’s temperature, ensuring longevity and performance.

Installation and Functionality

The installation of the thermostat housing assembly is straightforward and typically involves the following steps:

1. Disconnect the coolant lines: Carefully remove the coolant lines connected to the old thermostat housing.
2. Remove the old housing: Unscrew and remove the old thermostat housing from the engine.
3. Install the new housing: Position the new thermostat housing in place and secure it with the appropriate bolts.
4. Reconnect the coolant lines: Attach the coolant lines to the new thermostat housing, ensuring a tight and secure connection.
5. Refill the coolant: After installation, refill the engine’s cooling system with the appropriate coolant mixture.

Proper installation of the thermostat housing assembly is crucial for maintaining the engine’s cooling system efficiency and preventing potential overheating issues.

Role of Part 3076539 Thermostat Housing Assembly in Engine Systems

The Part 3076539 Thermostat Housing Assembly is an integral component in the thermal management system of an engine. It is designed to encase the thermostat, which is a temperature-sensitive valve that regulates the flow of coolant between the engine and the radiator.

When the engine is cold, the thermostat remains closed, preventing coolant from flowing to the radiator. This allows the engine to reach its optimal operating temperature more quickly. Once the engine warms up, the thermostat opens, allowing coolant to circulate through the radiator where it is cooled before returning to the engine.

The thermostat housing assembly, which includes the housing, thermostat, and top-level assembly housing, plays a significant role in maintaining this cycle. It provides a secure enclosure for the thermostat, ensuring it operates within the designed parameters. The housing is typically connected to the engine block and the upper radiator hose, facilitating the flow of coolant.

In addition to housing the thermostat, the assembly often incorporates other components such as the coolant temperature sensor. This sensor monitors the temperature of the coolant and sends data to the engine control unit (ECU), which can then make adjustments to the engine’s operation to maintain optimal temperature.

The thermostat top-level assembly housing is also responsible for sealing the coolant system, preventing leaks that could lead to engine overheating. It is engineered to withstand the pressures and temperatures within the cooling system, ensuring reliable performance over the lifespan of the engine.

In summary, the Part 3076539 Thermostat Housing Assembly is a key component in the engine’s cooling system, working in conjunction with the thermostat and other related parts to maintain engine temperature within safe operating limits.

Conclusion

The 3076539 Thermostat Housing Assembly by Cummins is a vital component in the engine cooling system, ensuring optimal engine temperature and performance. Its durable construction, precise design, and compatibility with high-performance engines make it a reliable choice for heavy-duty applications. Regular maintenance and proper installation are essential to maximize the benefits of this part and ensure the longevity of the engine cooling system.