3406884
Thermostat Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$279.95 $333.14

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 Cummins 3406884 Thermostat Housing is a component designed for use in heavy-duty trucks. It plays a role in the engine’s cooling system, ensuring that the engine operates within optimal temperature ranges. This housing is integral to maintaining the efficiency and reliability of the truck’s engine, contributing to overall performance and longevity.

Basic Concepts of Thermostat Housing

A thermostat housing is a part of the engine cooling system that encases the thermostat. Its primary function is to provide a secure environment for the thermostat, allowing it to regulate the flow of coolant through the engine. The housing connects to the engine block and the upper radiator hose, facilitating the movement of coolant. It also interacts with coolant passages, ensuring that the coolant circulates effectively to maintain engine temperature 1.

Purpose of the 3406884 Thermostat Housing

The Cummins 3406884 Thermostat Housing plays a role in the operation of a truck by maintaining optimal engine temperature. It ensures that the engine reaches the necessary operating temperature quickly and maintains it throughout operation. This regulation is vital for efficient engine performance, fuel efficiency, and the prevention of engine wear. By controlling the flow of coolant, the thermostat housing helps to protect the engine from overheating and ensures consistent performance under various driving conditions 2.

Key Features

The Cummins 3406884 Thermostat Housing is characterized by its durable construction and precise engineering. It is designed to withstand the high temperatures and pressures within the engine cooling system. The housing is made from materials that offer excellent resistance to corrosion and wear, ensuring long-lasting performance. Additionally, it is engineered to fit seamlessly with Cummins engines, providing a reliable and efficient cooling solution 3.

Benefits

Using the Cummins 3406884 Thermostat Housing offers several benefits. It contributes to improved engine efficiency by ensuring that the engine operates within the optimal temperature range. This regulation leads to better fuel economy and reduced emissions. The housing also provides reliable temperature regulation, which is crucial for the longevity and performance of the engine. Its durable construction ensures that it can withstand the rigors of heavy-duty truck operation, offering enhanced durability and reliability.

Installation and Compatibility

Proper installation of the 3406884 Thermostat Housing is crucial for ensuring its effectiveness. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and proper function. The housing is compatible with various Cummins engine models, making it a versatile component for fleet management and maintenance. When installing, it is important to follow specific requirements and considerations to ensure optimal performance and compatibility with the engine.

Troubleshooting and Maintenance

Regular maintenance of the thermostat housing is important for ensuring its optimal performance. Common issues such as leaks or malfunctions can be addressed through routine inspections and maintenance. Signs of wear or damage should be addressed promptly to prevent more significant problems. Regular checks of the housing and associated gaskets can help identify potential issues before they lead to engine problems.

Common Failure Modes

Thermostat housings can experience several common failure modes, including corrosion, cracking, or gasket failure. These issues can impact engine performance by disrupting the coolant flow and temperature regulation. Signs of failure may include coolant leaks, overheating, or inconsistent engine temperature. Regular inspections can help identify these issues early, allowing for timely repairs or replacements.

Replacement and Upgrades

When a thermostat housing shows signs of failure or wear, it should be replaced to maintain engine performance. Replacement procedures should follow the manufacturer’s guidelines to ensure proper installation and function. There may be upgrades available that offer improved performance or compatibility with newer engine models. These upgrades can provide enhanced durability and efficiency, contributing to the overall reliability of the engine cooling system.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines, known for its commitment to quality, innovation, and customer satisfaction. The company has a long history of producing reliable and efficient engines for a variety of applications, including heavy-duty trucks. Cummins’ product offerings include a wide range of engine components and systems designed to meet the demands of modern transportation. The company’s reputation for excellence is built on its dedication to engineering excellence and customer support.

Thermostat Housing (Part 3406884) Compatibility with Cummins Engines

The Thermostat Housing part 3406884, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is crucial for maintaining the engine’s optimal operating temperature by regulating the flow of coolant. Here is a detailed look at its compatibility with various Cummins engines:

ISM CM570 and QSM11 CM570

The Thermostat Housing part 3406884 is compatible with both the ISM CM570 and QSM11 CM570 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The housing ensures that the coolant flows efficiently, maintaining the engine’s temperature within the desired range.

ISM11 CM876 SN and M11 CELECT

This thermostat housing part is also suitable for the ISM11 CM876 SN and M11 CELECT engines. These engines are designed for high-performance applications, often found in various industrial and commercial settings. The part’s design ensures that the coolant flow is consistent, which is vital for the longevity and efficiency of these engines.

M11 CELECT PLUS and M11 MECHANICAL

The Thermostat Housing part 3406884 fits the M11 CELECT PLUS and M11 MECHANICAL engines as well. These engines are engineered for durability and efficiency, making them ideal for demanding environments. The housing’s precise fit ensures that the coolant circulates effectively, preventing overheating and maintaining engine performance.

L10 GAS

Lastly, the Thermostat Housing part 3406884 is compatible with the L10 GAS engine. This engine is designed for gas applications and is known for its reliability and efficiency. The housing part ensures that the coolant flow is optimal, contributing to the engine’s overall performance and longevity.

Understanding the Integration of Part 3406884 Thermostat Housing in Engine Systems

The part 3406884, a thermostat housing, is a component in the thermal management system of an engine. It is designed to encase the thermostat, which regulates the flow of coolant to the engine, ensuring optimal operating temperature.

Interaction with the Thermostat

At the heart of the thermostat housing’s function is its interaction with the thermostat. The housing provides a secure enclosure for the thermostat, protecting it from external contaminants and ensuring a stable environment for its operation. As the engine warms up, the thermostat, housed within the 3406884 component, opens to allow coolant to flow through the engine, dissipating heat.

Connection to the Top-Level Assembly Housing

The thermostat housing is also integral to the top-level assembly housing of the engine. This assembly often includes various components such as the intake manifold, fuel injectors, and other critical parts. The thermostat housing connects to this assembly, facilitating the flow of coolant to and from the engine block. This connection is vital for maintaining the structural integrity of the cooling system and ensuring efficient heat exchange.

Role in the Cooling System

Within the cooling system, the thermostat housing plays a part in directing coolant flow. It is typically connected to the upper radiator hose, which carries hot coolant away from the engine to the radiator for cooling. The housing also interfaces with the engine block, allowing coolant to circulate through the engine’s passages.

Integration with Engine Components

The effective integration of the thermostat housing with other engine components, such as the water pump and radiator, is essential for the overall functionality of the cooling system. The housing must be precisely fitted to ensure a leak-free seal, which is paramount for maintaining system pressure and efficient coolant circulation.

Importance of Proper Installation

Proper installation of the thermostat housing is key to its function. It must be correctly aligned with the engine block and top-level assembly housing to prevent leaks and ensure the thermostat operates within its designed parameters. This involves careful attention to gasket placement and torque specifications during installation.

Conclusion

In summary, the part 3406884 thermostat housing is a pivotal component in the engine’s cooling system, interacting closely with the thermostat, top-level assembly housing, and other critical engine components to maintain optimal engine temperature and ensure the longevity and performance of the engine.


  1. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  2. David Crolla, Crolla Encyclopedia, Wiley, 2015.

  3. Hua Zhao, Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines, CRC Press, 2010.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
12.8 x 7.5 x 6.75 in
Weight
9.95 lbs
* 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.