3863419
Thermostat Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$174.95 $208.19

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 3863419 Thermostat Housing is a component designed for use in heavy-duty trucks. It plays a role in the engine cooling system by housing the thermostat, which regulates the flow of coolant based on engine temperature. This ensures that the engine operates within optimal temperature ranges, enhancing 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 control the flow of coolant to the engine. When the engine is cold, the thermostat remains closed, preventing coolant flow and allowing the engine to warm up quickly. As the engine temperature rises, the thermostat opens, allowing coolant to circulate through the engine, thereby regulating temperature. The housing also provides a seal to prevent coolant leaks 1.

Purpose of the 3863419 Thermostat Housing

The Cummins 3863419 Thermostat Housing is specifically engineered to fit certain Cummins engines. It provides a secure enclosure for the thermostat, ensuring that the thermostat functions correctly and maintains the engine’s temperature within specified limits. Proper temperature regulation is key to engine efficiency, reducing wear and tear, and preventing overheating 2.

Key Features

The Cummins 3863419 Thermostat Housing is constructed with durable materials to withstand the high temperatures and pressures of heavy-duty engine operations. Its design includes precise fittings and seals to ensure a tight connection with the engine block and other cooling system components. The housing is also designed to facilitate easy installation and maintenance, with accessible points for thermostat replacement.

Benefits

Using the Cummins 3863419 Thermostat Housing offers several advantages. Its robust construction contributes to the durability and reliability of the engine cooling system. By ensuring proper thermostat function, it helps maintain engine performance and efficiency. Additionally, the housing’s design aids in simplifying maintenance procedures, reducing downtime for heavy-duty trucks.

Installation Process

Installing the Cummins 3863419 Thermostat Housing involves several steps. First, the old housing, if present, is removed from the engine. The new housing is then positioned in place, ensuring all gaskets and seals are correctly installed to prevent leaks. It is secured with the appropriate fasteners, and the cooling system is refilled with coolant. Finally, the system is checked for leaks and proper operation.

Common Issues and Troubleshooting

Common issues with thermostat housings can include leaks, thermostat malfunction, and housing cracks. Troubleshooting involves inspecting the housing and seals for damage, ensuring the thermostat is functioning correctly, and checking for proper coolant levels. Solutions may range from replacing gaskets and seals to replacing the thermostat or the housing itself.

Maintenance Tips

To ensure the longevity and performance of the Cummins 3863419 Thermostat Housing, regular maintenance is recommended. This includes inspecting the housing and seals for wear or damage during routine engine checks, ensuring the thermostat operates correctly, and maintaining proper coolant levels and quality. Regular maintenance helps prevent issues and ensures the cooling system operates efficiently.

Compatibility and Applications

The Cummins 3863419 Thermostat Housing is designed for specific Cummins engines, ensuring compatibility and optimal performance. It is used in various heavy-duty truck applications, contributing to the efficient operation of the engine cooling system across different models and makes.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a strong reputation in the automotive industry, Cummins is known for its high-quality diesel engines and components, which are trusted by professionals worldwide for their performance, durability, and reliability.

Compatibility of Thermostat Housing Part 3863419 with Cummins Engines

The Thermostat Housing part 3863419, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engines. This part is crucial for maintaining the optimal operating temperature of the engine by regulating the flow of coolant. Here is a breakdown of its compatibility with specific engine models:

Cummins 4B3.9 and 6B5.9 Engines

The Thermostat Housing part 3863419 is specifically engineered to fit the Cummins 4B3.9 and 6B5.9 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The part ensures efficient thermal management, which is critical for the longevity and performance of these engines.

Cummins B4.5 Engine

Similarly, the Thermostat Housing part 3863419 is also compatible with the Cummins B4.5 engine. This engine model is designed for versatility and efficiency, making it suitable for a range of applications. The part’s design ensures that it can effectively manage the coolant flow, thereby maintaining the engine’s temperature within the desired range.

Grouping of Engines

The compatibility of the Thermostat Housing part 3863419 with the Cummins 4B3.9, 6B5.9, and B4.5 engines can be grouped based on their shared design and performance characteristics. These engines are part of Cummins’ lineup that emphasizes durability and efficiency, making the thermostat housing a critical component for their operation.

By ensuring that the thermostat housing fits these engines, Cummins maintains a high standard of quality and reliability across its engine models. This compatibility is essential for technicians and operators who rely on these engines for their demanding tasks.

Role of Part 3863419 Thermostat Housing in Engine Systems

The part 3863419 thermostat housing is an integral component in the thermal management system of an engine. It is designed to encase the thermostat, which regulates the flow of coolant through the engine.

When the engine is cold, the thermostat remains closed, preventing coolant from flowing through the radiator. This allows the engine to reach its optimal operating temperature more quickly. Once the engine warms up, the thermostat opens, allowing coolant to circulate through the engine and radiator, maintaining a consistent operating temperature.

The thermostat housing is connected to the engine block and the upper radiator hose. It provides a secure and leak-proof environment for the thermostat to operate within. The housing is typically made from durable materials to withstand the high temperatures and pressures of the cooling system.

In addition to housing the thermostat, this component also plays a role in the overall integrity of the cooling system. It ensures that the thermostat is properly seated and functions as intended. The housing may also include passages for coolant flow, contributing to efficient heat exchange within the engine.

Furthermore, the thermostat housing often incorporates mounting points for temperature sensors. These sensors provide feedback to the engine control unit (ECU), allowing for precise monitoring and control of the engine’s temperature. This integration enhances the engine’s performance and protects it from overheating.

In summary, the part 3863419 thermostat housing is a key element in the engine’s cooling system, ensuring the thermostat operates effectively and contributing to the overall thermal management of the engine.

Conclusion

The Cummins 3863419 Thermostat Housing is a critical component in the engine cooling system of heavy-duty trucks. Its role in regulating coolant flow and maintaining optimal engine temperature is essential for engine performance, efficiency, and longevity. Proper installation, regular maintenance, and understanding its compatibility with specific Cummins engines are key to ensuring the effective operation of this part.


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

  2. Carroll, Douglas R. Energy Efficiency of Vehicles. SAE International, 2020.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.3 x 5.1 x 4.2 in
Weight
4.35 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.