3406886
Thermostat Top Level Assembly Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$139.95 $166.54

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 Cummins 3406886 Thermostat Top Level Assembly Housing is a critical component for heavy-duty truck engines, designed to maintain optimal operating temperatures within the engine’s cooling system. This part ensures the engine operates efficiently under various driving conditions, contributing to the overall reliability and performance of heavy-duty trucks.

Basic Concepts of Thermostat Housing

Thermostat housings are essential in engine cooling systems, encapsulating the thermostat to regulate coolant flow between the engine and radiator. This regulation is vital for maintaining engine temperature within optimal ranges, enhancing performance and longevity 1.

Purpose and Role in Truck Operation

The Cummins 3406886 Thermostat Top Level Assembly Housing is engineered for heavy-duty truck engines, housing the thermostat to control coolant flow. This process is crucial for maintaining the engine’s optimal operating temperature, ensuring efficiency and performance 2.

Key Features

This Cummins part is constructed from durable materials to withstand high temperatures and pressures. It features precise fittings and seals for a secure, leak-free connection to the engine and coolant system. The design may also include features for easy installation and maintenance, enhancing its effectiveness in the cooling system.

Benefits

Utilizing the Cummins 3406886 Thermostat Top Level Assembly Housing offers several advantages, including improved engine performance through consistent temperature regulation. Its durable construction enhances the longevity of cooling system components, potentially reducing maintenance and replacement costs. Additionally, maintaining engine efficiency can contribute to better fuel economy.

Troubleshooting and Maintenance

Common issues with thermostat housings include leaks, corrosion, or thermostat malfunction. Regular maintenance, such as inspecting for wear or damage and ensuring secure connections, can prevent these issues. Troubleshooting may involve checking the thermostat’s operation, inspecting seals and gaskets, and addressing corrosion or leaks promptly to maintain the cooling system’s integrity.

Installation Considerations

When installing the Cummins 3406886 Thermostat Top Level Assembly Housing, compatibility with the specific engine model is crucial for proper fit and function. Following manufacturer guidelines for installation procedures is essential to avoid issues such as improper sealing or misalignment. Attention to detail during installation ensures the housing performs effectively within the engine’s cooling system.

Performance Monitoring

Monitoring the performance of the thermostat housing involves observing the engine’s temperature gauge for unusual readings that may indicate cooling system problems. Signs of wear or malfunction, such as leaks around the housing or inconsistent engine temperatures, may suggest the need for maintenance or replacement. Regular checks and maintenance can help identify issues early, ensuring the continued efficient operation of the engine.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. Known for its commitment to quality and innovation, Cummins produces components for heavy-duty trucks that meet demanding application standards. The company’s extensive experience and dedication to excellence ensure that products like the Cummins 3406886 Thermostat Top Level Assembly Housing meet high-performance requirements.

Role of 3406886 Thermostat Top Level Assembly Housing in Engine Systems

The 3406886 Thermostat Top Level Assembly Housing is integral to engine systems, ensuring precise temperature regulation. It interfaces with the thermostat to control coolant flow, protecting the thermostat and providing a secure mounting point for the temperature sensor. This component is also connected to the upper radiator hose and coolant recovery tank, facilitating the continuous circulation of coolant and maintaining system pressure to enhance the boiling point of the coolant 3.

Conclusion

The Cummins 3406886 Thermostat Top Level Assembly Housing plays a significant role in maintaining engine efficiency and longevity. By facilitating the proper function of the thermostat, temperature sensor, upper radiator hose, and coolant recovery system, this part ensures the engine operates within optimal temperature ranges, contributing to the overall performance and reliability of heavy-duty trucks.


  1. Minaker, Bruce P. Fundamentals of Vehicle Dynamics and Modelling. John Wiley & Sons, 2019.

  2. Mom, Gijs. The Evolution of Automotive Engineering: A Handbook. SAE International, 2023.

  3. Nunney, MJ. Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann, 2007.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
32.0 x 18.0 x 15.0 in
Weight
4.763 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.