3682667
Thermostat Housing Cover
Cummins®

The Thermostat Housing Cover (part number 3682667) by Cummins is a component designed to play a role in the engine cooling system of heavy-duty trucks. Its purpose is to encase and protect the thermostat, ensuring the engine operates within optimal temperature ranges. Cummins, a well-established manufacturer in the automotive industry, produces this part with a focus on durability and efficiency ¹.

Function and Operation

This Cummins part functions by providing a secure enclosure for the thermostat, which regulates the flow of coolant through the engine. 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 and maintain an optimal operating temperature. This process is vital for engine efficiency and longevity ².

Key Features

The Thermostat Housing Cover 3682667 is constructed from high-quality materials, ensuring durability and resistance to corrosion. Its design includes precise fittings and seals to prevent coolant leaks, enhancing the overall reliability of the cooling system. Additionally, the housing cover is engineered to withstand high pressures and temperatures, contributing to its robust performance in demanding environments ³.

Benefits

Incorporating this part into a heavy-duty truck’s engine system offers several advantages. It contributes to improved engine efficiency by ensuring consistent temperature regulation. This consistent temperature management helps in prolonging the engine’s lifespan and maintaining its reliability under various operating conditions. Furthermore, the enhanced cooling system performance supports overall truck efficiency, reducing the risk of overheating and related engine issues.

Installation and Compatibility

Proper installation of this Cummins part is crucial for its effective function. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and proper sealing. This component is designed to be compatible with specific Cummins engine models, and it may also fit other truck makes and models, depending on the engine specifications.

Maintenance and Troubleshooting

Regular maintenance of this part is recommended to ensure its continued efficiency and longevity. This includes periodic inspections for signs of wear, corrosion, or leaks. Common issues may include coolant leaks or thermostat malfunction, which can often be addressed by re-sealing or replacing the housing cover as necessary.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for its wide range of engine components and systems. With a history of innovation and a commitment to quality, Cummins has established a strong reputation for producing reliable and high-performance parts. Their product line includes engines, filtration systems, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications.

Thermostat Housing Cover (Part 3682667) Compatibility with Cummins Engines

The Thermostat Housing Cover, identified by the part number 3682667, is a crucial component in the engine’s cooling system. This part is designed to fit a range of Cummins engines, ensuring a secure and efficient seal for the thermostat housing. Below is a detailed breakdown of the compatibility of this part with various Cummins engines:

ISX Series

• ISX CM570
• ISX CM870
• ISX CM871

This part is compatible with the ISX series engines, which are known for their robust performance and reliability. It ensures that the thermostat housing is properly sealed, maintaining optimal engine temperature and efficiency.

ISX15 Series

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The ISX15 series engines benefit from the use of the Thermostat Housing Cover, providing a reliable seal for the thermostat housing. This is essential for maintaining the engine’s cooling system integrity and ensuring consistent performance.

QSX15 Series

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The QSX15 series engines also require the Thermostat Housing Cover to ensure that the thermostat housing is properly sealed. This part is critical for maintaining the cooling system’s efficiency and preventing any potential leaks.

X15 Series

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

The X15 series engines are designed to work seamlessly with the Thermostat Housing Cover. This part is essential for maintaining the cooling system’s integrity and ensuring that the engine operates at optimal temperatures.

By using the Thermostat Housing Cover, these Cummins engines can maintain their cooling system’s efficiency, ensuring reliable performance and longevity.

Understanding the Integration of Part 3682667 Thermostat Housing Cover in Engine Systems

Part 3682667, the Thermostat Housing Cover, is a component in the thermostat housing arrangement of an engine system. Its primary function is to encase and protect the thermostat, ensuring the engine operates within optimal temperature ranges.

When integrated into the thermostat housing, the cover forms a sealed environment that prevents coolant leaks. This seal is vital for maintaining the correct pressure within the cooling system, which in turn ensures efficient heat transfer away from the engine.

The thermostat housing cover also plays a role in the overall thermostat housing arrangement by providing a mounting point for various sensors and gauges. These sensors monitor the temperature of the coolant, providing data to the engine control unit (ECU) to make necessary adjustments for engine performance and efficiency.

Furthermore, the cover aids in the structural integrity of the thermostat housing. It supports the housing against mechanical stresses and vibrations that occur during engine operation. This support is important for the longevity and reliability of the thermostat housing arrangement.

Conclusion

In summary, part 3682667 Thermostat Housing Cover is a key element in the thermostat housing arrangement, contributing to the efficient operation and durability of the engine’s cooling system.