3682673
Thermostat Housing Cover Gasket
Cummins®

The Thermostat Housing Cover Gasket, part number 3682673 by Cummins, is a component designed to ensure the efficient operation of a truck’s engine system. This gasket plays a significant role in maintaining the integrity of the thermostat housing, thereby contributing to the overall performance and reliability of the engine. Manufactured by Cummins, a reputable name in the automotive and heavy-duty truck industry, this gasket is engineered to meet high standards of quality and durability ¹.

Basic Concepts

The thermostat housing cover gasket is a sealing component positioned between the thermostat housing and the engine block. Its primary function is to create a secure seal, preventing coolant leaks and ensuring that the thermostat operates within the designed parameters. By maintaining a consistent engine temperature, the gasket contributes to the efficient functioning of the cooling system, which is vital for the engine’s longevity and performance ².

Purpose and Function

The Thermostat Housing Cover Gasket, part number 3682673, serves a significant role in the operation of a truck engine by sealing the thermostat housing. This seal is necessary to ensure that coolant flows properly through the engine, regulating its temperature. Proper coolant flow is essential for dissipating heat generated during engine operation, which helps prevent overheating and potential engine damage. The gasket’s role in maintaining this seal is fundamental to the engine’s cooling efficiency and overall performance ³.

Key Features

The Thermostat Housing Cover Gasket, part number 3682673, is crafted from high-quality materials that offer excellent resistance to heat, pressure, and corrosion. Its design is tailored to fit precisely within the thermostat housing, ensuring a tight and reliable seal. Cummins adheres to stringent manufacturing standards, guaranteeing that each gasket meets the necessary specifications for durability and performance. These features contribute to the gasket’s ability to withstand the demanding conditions within an engine environment.

Benefits

Utilizing the Thermostat Housing Cover Gasket, part number 3682673, offers several advantages. The gasket’s superior material composition and design enhance engine performance by ensuring consistent coolant flow and temperature regulation. Its durable construction provides long-lasting sealing capabilities, reducing the likelihood of leaks and the need for frequent replacements. Additionally, the reliable sealing offered by this gasket contributes to the overall efficiency and reliability of the engine cooling system.

Troubleshooting and Maintenance

Common issues associated with the Thermostat Housing Cover Gasket may include leaks or failures, which can lead to coolant loss and engine overheating. To troubleshoot these problems, it is advisable to inspect the gasket for signs of wear, damage, or improper seating. Regular maintenance, such as checking the gasket condition during routine engine servicing, can help identify potential issues early. Ensuring the gasket is correctly installed and replacing it as needed will help maintain optimal engine performance and longevity.

Compatibility with Cummins Engines

The Thermostat Housing Cover Gasket, identified by part number 3682673, is designed to fit seamlessly with a variety of Cummins engines, providing a reliable seal that prevents coolant leaks. Below is a detailed overview of its compatibility with specific engine models:

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871

ISX15 Series Engines

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

QSX15 Series Engines

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

X15 Series Engines

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

By ensuring a proper seal, the Thermostat Housing Cover Gasket plays a vital role in maintaining the overall health and performance of these Cummins engines.

Role in Engine Systems

The Thermostat Housing Cover Gasket, part number 3682673, is integral to the proper functioning of various engine components. It is specifically designed to ensure a secure and leak-free seal between the thermostat housing and the engine block or cylinder head.

In an arrangement involving the thermostat housing, this gasket plays a significant role. It prevents coolant from leaking out, which is essential for maintaining the engine’s optimal operating temperature. The gasket works in conjunction with the thermostat to regulate the flow of coolant based on the engine’s temperature needs.

When considering the cylinder head gasket kit, the Thermostat Housing Cover Gasket complements this setup by ensuring that the coolant system remains pressurized and leak-free. This is particularly important during engine start-up and warm-up phases, where maintaining consistent coolant flow is vital.

In the context of an overhaul conversion kit or overhaul kit, the inclusion of the Thermostat Housing Cover Gasket is standard practice. These kits often require the replacement of various gaskets to ensure that the engine operates efficiently post-overhaul. The gasket helps in creating a reliable seal, which is necessary for the longevity and performance of the engine.

For the lower engine gasket kit and upper engine gasket kit, or even the upper engine gasket set, the Thermostat Housing Cover Gasket serves as an additional layer of security. It ensures that all coolant pathways are sealed properly, preventing any potential leaks that could lead to engine damage over time.

Conclusion

Overall, the Thermostat Housing Cover Gasket, part number 3682673, is a small yet essential component that contributes to the integrity and efficiency of the engine’s cooling system. Its proper installation and maintenance are key to ensuring the engine operates within its designed parameters.