3649412
Thermostat Housing Gasket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$439.95 $523.54

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Thermostat Housing Gasket 3649412 is a component manufactured by Cummins, designed to play a role in the operation of heavy-duty trucks. This gasket is integral to the engine cooling system, ensuring that the engine maintains optimal operating temperatures. Cummins, a well-respected name in the automotive and heavy-duty truck industry, is known for its commitment to quality and innovation, making the 3649412 a reliable choice for truck operators and maintenance professionals.

Basic Concepts of Thermostat Housing Gaskets

A thermostat housing gasket is a seal that fits between the thermostat housing and the engine block or cylinder head. Its primary function within the engine cooling system is to prevent coolant leaks while allowing the thermostat to regulate the flow of coolant based on engine temperature. By maintaining a seal, the gasket ensures that the coolant circulates efficiently, contributing to the overall stability of engine temperature and performance 1.

Role of the 3649412 Thermostat Housing Gasket in Truck Operation

The 3649412 Thermostat Housing Gasket is specifically designed to fit into the cooling system of heavy-duty trucks. It interacts with the thermostat, engine block, and coolant passages to ensure that the engine operates within its optimal temperature range. This gasket plays a role in the engine cooling system by sealing the thermostat housing, which houses the thermostat that controls coolant flow to the radiator. Proper sealing is vital for preventing coolant loss and ensuring that the engine does not overheat or run too cold, both of which can lead to decreased efficiency and potential damage 2.

Key Features of the 3649412 Thermostat Housing Gasket

The 3649412 Thermostat Housing Gasket is crafted from high-quality materials that offer excellent resistance to heat, pressure, and coolant chemicals. Its design attributes include precise dimensions to ensure a perfect fit and robust sealing capabilities. Additionally, the gasket may feature unique characteristics such as multi-layer construction or enhanced material treatments to further improve its performance and durability in demanding truck engine environments.

Benefits of Using the 3649412 Thermostat Housing Gasket

Utilizing the 3649412 Thermostat Housing Gasket offers several advantages. It contributes to improved engine efficiency by ensuring a reliable seal that prevents coolant leaks. The gasket’s durable construction and precise fit enhance its longevity, reducing the need for frequent replacements. Furthermore, its reliable performance under various operating conditions helps maintain engine temperature stability, which is crucial for the overall health and efficiency of the engine 3.

Installation and Maintenance Guidelines

Proper installation of the 3649412 Thermostat Housing Gasket involves several steps to ensure a secure and effective seal. Before installation, it is important to clean the mating surfaces thoroughly to remove any old gasket material or debris. The gasket should be positioned correctly within the thermostat housing, ensuring it aligns with all coolant passages and the thermostat seating area. Using the appropriate torque specifications when tightening the housing bolts is crucial to avoid over-tightening, which can damage the gasket, or under-tightening, which can lead to leaks. Regular maintenance checks should be performed to ensure the gasket remains in good condition and is not showing signs of wear or degradation.

Troubleshooting Common Issues

Common problems associated with thermostat housing gaskets include leaks or failures, which can manifest as coolant loss, overheating, or fluctuating engine temperatures. To troubleshoot these issues, one should first inspect the gasket for signs of damage or wear. Checking the tightness of the thermostat housing bolts and ensuring there is no debris or old gasket material on the mating surfaces can also help diagnose and resolve leaks. If the gasket appears damaged or worn, replacement is recommended to prevent further coolant loss and potential engine damage.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a strong reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industry. The company’s commitment to excellence is evident in its extensive product range and the trust it has earned among customers and industry professionals worldwide.

Thermostat Housing Gasket (Part 3649412) Compatibility with Cummins Engines

The Thermostat Housing Gasket, identified by part number 3649412, is a component in ensuring the proper sealing and functionality of the thermostat housing in various Cummins engines. This gasket is designed to fit seamlessly with the following engines:

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines are part of Cummins’ QSK series, which are known for their robust design and high performance in marine and industrial applications. The Thermostat Housing Gasket for these engines is engineered to provide a tight seal between the thermostat housing and the engine block, preventing coolant leaks and maintaining optimal engine temperature.

QSK60G

The QSK60G engine is another variant in the QSK series, offering a balance of power and efficiency. The Thermostat Housing Gasket for the QSK60G is specifically designed to fit the unique contours of this engine’s thermostat housing, ensuring a reliable seal and preventing any coolant from escaping the system.

Compatibility and Installation

When installing the Thermostat Housing Gasket (part 3649412) on these engines, it is essential to follow the manufacturer’s guidelines to ensure a proper fit and seal. This gasket is made from high-quality materials that can withstand the high temperatures and pressures found in these engines, providing long-lasting performance and reliability.

By using the correct gasket for each specific engine model, technicians and operators can maintain the integrity of the cooling system, ensuring the engine operates efficiently and reliably.

Role of Part 3649412 Thermostat Housing Gasket in Engine Systems

The Thermostat Housing Gasket (Part 3649412) is a component in the assembly and operation of the engine’s cooling system. This gasket is specifically designed to create a seal between the thermostat housing and the engine block or cylinder head, ensuring the integrity of the cooling system.

When integrating the Thermostat Housing Gasket into the engine system, it is positioned between the thermostat housing and the mating surface on the engine block or cylinder head. This placement is vital for maintaining a leak-free environment, allowing the coolant to circulate effectively without any external leaks.

The thermostat itself is housed within the thermostat housing, and the gasket ensures that the housing is securely sealed to the engine. This seal is necessary for the thermostat to function correctly, regulating the flow of coolant based on the engine’s temperature.

In conjunction with the Cooling System Gasket Kit, the Thermostat Housing Gasket plays a role in the overall sealing strategy of the cooling system. The kit typically includes various gaskets and seals required to assemble the cooling system, ensuring all components are properly sealed to prevent coolant loss and maintain efficient cooling.

The effective sealing provided by the Thermostat Housing Gasket allows the cooling system to maintain optimal pressure, which is essential for the proper operation of the thermostat. This, in turn, helps in achieving the desired engine operating temperature, enhancing performance and protecting the engine from overheating.

Conclusion

The 3649412 Thermostat Housing Gasket is a critical component in the engine cooling system of heavy-duty trucks, ensuring optimal engine temperature and performance. Its precise fit, durable construction, and reliable sealing capabilities make it a valuable asset for truck operators and maintenance professionals. Proper installation and maintenance of this gasket are essential to prevent coolant leaks and ensure the engine operates efficiently. Cummins’ commitment to quality and innovation is reflected in the design and functionality of this part, making it a trusted choice in the industry.


  1. Reif, Konrad. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

  2. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

  3. Cummins Inc. Fault Code Troubleshooting Manual. Bulletin Number 5504366, B6.7 CM2670 B153B.

SPECIFICATIONS

Package Dimensions
67.5 x 14.0 x 0.1 in
Weight
0.11 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.