3926534
Thermostat Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$419.95 $499.74

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 3926534 Thermostat Housing is a component designed for use in heavy-duty trucks. It plays a role in the engine’s operation by housing the thermostat and facilitating the flow of coolant. This housing ensures that the engine maintains an optimal operating temperature, which is vital for efficient performance and longevity 1.

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 regulate the flow of coolant through the engine. When the engine is cold, the thermostat remains closed, preventing coolant from flowing through the radiator. As the engine warms up, the thermostat opens, allowing coolant to circulate and maintain a consistent engine temperature. The housing also provides a secure environment for the thermostat and connects to coolant passages within the engine 2.

Purpose of the 3926534 Thermostat Housing

The Cummins 3926534 Thermostat Housing plays a role in the operation of a truck by ensuring that the engine reaches and maintains its optimal operating temperature. This is achieved through the precise regulation of coolant flow. By maintaining the correct temperature, the housing contributes to efficient engine performance, reduced emissions, and enhanced fuel efficiency. It also helps protect the engine from damage due to overheating 3.

Key Features

The Cummins 3926534 Thermostat Housing is characterized by its robust design and the materials used in its construction. It is typically made from durable materials that can withstand the high temperatures and pressures within the engine cooling system. The housing is designed to provide a secure fit for the thermostat and to ensure a leak-free seal. Additionally, it may feature specific design elements that enhance its performance and durability in demanding operating conditions.

Benefits

Using the Cummins 3926534 Thermostat Housing offers several benefits. It contributes to improved engine efficiency by ensuring that the engine operates within its optimal temperature range. This housing provides reliable temperature regulation, which is crucial for the engine’s performance and longevity. Its durable construction ensures long-term use, reducing the need for frequent replacements.

Installation Considerations

Proper installation of the Cummins 3926534 Thermostat Housing is important to ensure its effective operation. It is recommended to follow Cummins’ guidelines for installation, which may include specific torque specifications for fastening the housing to the engine and ensuring that all gaskets and seals are in good condition. Attention to these details helps prevent leaks and ensures the housing functions as intended.

Troubleshooting and Maintenance

Common issues with thermostat housings can include leaks, thermostat malfunction, or housing damage. Regular inspection for signs of wear or damage can help identify potential problems early. Maintenance tips include checking the housing and thermostat for proper operation during routine engine service and replacing the housing if it shows signs of significant wear or if a leak is detected.

Compatibility and Application

The Cummins 3926534 Thermostat Housing is designed for specific engines and truck models. It is important to verify compatibility with the specific application to ensure proper fit and function. Cummins provides application notes that can guide in selecting the correct housing for a particular engine or truck model.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and efficient engine components. The company’s focus on research and development ensures that its products, including the 3926534 Thermostat Housing, meet the high standards required for heavy-duty applications.

Thermostat Housing Fitment for Cummins Engines

The Thermostat Housing part number 3926534, 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. Below is a detailed description of how this part fits with the specified engines:

6B5.9 and 6C8.3 Engines

The Thermostat Housing part number 3926534 is compatible with both the 6B5.9 and 6C8.3 engines. These engines share similar design elements, particularly in the cooling system, which allows the thermostat housing to fit both models without modification. The housing ensures that the thermostat operates correctly, maintaining the engine’s temperature within the desired range.

C GAS PLUS CM556 and C8.3 G Engines

The Thermostat Housing part number 3926534 also fits the C GAS PLUS CM556 and C8.3 G engines. These engines, while distinct in their specific applications and configurations, share a common design in their cooling systems. The thermostat housing is engineered to integrate smoothly with these engines, ensuring efficient coolant flow and temperature regulation.

G8.3 Engine

The G8.3 engine is another model that is compatible with the Thermostat Housing part number 3926534. This engine’s design incorporates the same cooling system architecture that allows the thermostat housing to fit perfectly. The housing’s role in this engine is to maintain the coolant flow, ensuring the engine operates at the correct temperature.

By ensuring compatibility with these engines, the Thermostat Housing part number 3926534 from Cummins provides a reliable and efficient solution for maintaining engine temperature across various models.

Understanding the Integration of Part 3926534 Thermostat Housing in Engine Systems

In the orchestration of an engine’s thermal management, the thermostat housing, identified by part number 3926534, assumes a significant role. This component is meticulously designed to encase the thermostat, ensuring a secure and efficient operation within the engine system.

The thermostat housing is strategically positioned to interface with the engine’s cooling system. It is connected to the engine block or cylinder head, where it facilitates the circulation of coolant. The housing’s design allows for the precise regulation of coolant flow, which is modulated by the thermostat. As the engine temperature fluctuates, the thermostat opens and closes, controlling the flow of coolant to maintain optimal operating temperatures.

Furthermore, the housing is engineered to connect with the upper radiator hose. This connection is vital for the continuous circulation of coolant between the engine and the radiator, where heat is dissipated. The secure fitment of the housing ensures that there are no leaks in the system, which could lead to inefficient cooling and potential engine damage.

In addition to its primary function, the thermostat housing often incorporates temperature sensors. These sensors provide feedback to the engine control unit (ECU), allowing for real-time adjustments to the engine’s performance based on temperature data. This integration enhances the engine’s efficiency and protects it from thermal stress.

The housing also plays a role in the ease of maintenance and repair. Its design allows for straightforward access to the thermostat, enabling mechanics to replace or service the thermostat with minimal disruption to the engine’s surrounding components.

Conclusion

In summary, the Cummins 3926534 Thermostat Housing is a component that not only protects the thermostat but also ensures the seamless integration and operation of the engine’s cooling system. Its connections to the engine block, cylinder head, upper radiator hose, and temperature sensors are all designed to work in concert, contributing to the engine’s overall performance and longevity.


  1. Shashank Arora, Alireza Tashakori Abkenar, and Shantha Gamini Jayasi, Heavyduty Electric Vehicles: From Concept to Reality (Elsevier, 2021).

  2. Karsten Berns, Klaus Dressler, Patrick Fleischmann, Daniel Grges, Ralf Kalmar, Bernd Sauer, Nicole Stephan, Roman Teutsch, Martin Thul, Proceedings of the 5th Commercial Vehicle Technology Symposium CVT (Springer, 2018).

  3. Cummins Inc., Operation and Maintenance Manual (Bulletin Number 4358467).

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SPECIFICATIONS

Service Part Topic
99T9-2
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
8.2 x 7.5 x 6.3 in
Weight
8.125 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.