3017748
Thermostat Housing
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$1,249.95 $1,487.44

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 3017748 Thermostat Housing is a component designed for use in heavy-duty trucks. It serves a significant 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.

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 circulating. As the engine warms up, the thermostat opens, allowing coolant to flow through the engine and radiator, thereby regulating temperature. The housing also provides a secure environment for the thermostat and connects to coolant passages within the engine 1.

Purpose of the Thermostat Housing

The Thermostat Housing plays a role in the operation of a truck by regulating engine temperature. It ensures that the engine reaches and maintains its optimal operating temperature, which is crucial for efficient combustion and reduced emissions. By controlling the flow of coolant, it helps prevent overheating and maintains engine performance under various driving conditions.

Key Features

The 3017748 is characterized by its durable construction and precision engineering. It is made from materials that can withstand high temperatures and pressures, ensuring longevity and reliability. The housing is designed to fit precisely with Cummins engines, providing a secure and leak-free connection to the engine block and coolant passages.

Benefits

Using the 3017748 offers several advantages. It contributes to improved engine efficiency by ensuring consistent temperature regulation. This housing is designed for reliable performance, reducing the likelihood of engine overheating. Its durable construction ensures long-term use, providing value and reliability for heavy-duty truck operations.

Installation Process

Installing the 3017748 requires careful attention to detail. Begin by ensuring the engine is cool and the cooling system is drained. Remove the old housing, clean the mating surfaces, and inspect the gasket for any damage. Place a new gasket on the engine block, position the housing, and secure it with the appropriate fasteners. Refill the cooling system with the recommended coolant and check for leaks upon initial startup.

Troubleshooting Common Issues

Common issues with thermostat housings include leaks and malfunctions. If a leak is detected, inspect the gasket and housing for damage. Replace any worn or damaged components. Malfunctions may indicate a faulty thermostat or blockages in the coolant passages. Regular inspections and maintenance can help identify and resolve these issues promptly.

Maintenance Tips

To prolong the lifespan of the 3017748, regular maintenance is recommended. Inspect the housing and gasket during routine engine services for signs of wear or damage. Clean the housing and surrounding areas to prevent buildup that could lead to leaks or inefficiencies. Following the manufacturer’s guidelines for coolant replacement and system flushing will also contribute to the housing’s longevity.

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 quality, Cummins has established a reputation for producing reliable and efficient engines and components for commercial vehicles, including heavy-duty trucks. Their commitment to excellence is reflected in the design and performance of components like the 3017748 2.

Thermostat Housing Fitment for Cummins Part 3017748

The thermostat housing part 3017748, manufactured by Cummins, is designed to be compatible with a range of engine models. This part is crucial for maintaining the engine’s optimal operating temperature by regulating the flow of coolant. Here’s how it fits with specific engines:

N14 Mechanical Engines

The thermostat housing part 3017748 is engineered to fit seamlessly with the N14 Mechanical engines. This compatibility ensures that the housing can effectively manage the coolant flow, which is vital for the engine’s performance and longevity. The design of the housing is tailored to the specific thermal and mechanical requirements of the N14 engines.

NH/NT 855 Engines

Similarly, the thermostat housing part 3017748 is also compatible with the NH/NT 855 engines. This part is designed to integrate smoothly with these engines, ensuring efficient coolant flow and temperature regulation. The fitment is precise, catering to the unique design and operational needs of the NH/NT 855 engines.

Compatibility Across Engine Models

The thermostat housing part 3017748 is crafted to ensure a reliable fit across the specified engine models. This compatibility is achieved through meticulous engineering and design considerations that account for the specific thermal and mechanical properties of each engine type. The housing’s design allows it to function effectively within the operational parameters of both the N14 Mechanical and NH/NT 855 engines, ensuring that coolant flow is optimized for peak engine performance.

Understanding the Integration of Part 3017748 Thermostat Housing in Engine Systems

The part 3017748, commonly referred to as the thermostat housing, is an integral component in the thermal management system of an engine. Its primary function is to house the thermostat, which regulates the flow of coolant to the engine based on its temperature. This ensures optimal operating temperature is maintained, enhancing engine efficiency and longevity.

Interaction with Key Components

  1. Thermostat: The thermostat is seated within the housing, allowing it to monitor and control the coolant flow. As the engine warms up, the thermostat opens to allow coolant to flow through the engine, preventing overheating.

  2. Water Outlet: The thermostat housing is directly connected to the water outlet, which is responsible for directing coolant from the engine to the radiator for cooling. This connection is vital for maintaining a consistent coolant circulation.

  3. Water Outlet Connection: This component interfaces with the water outlet, ensuring a secure and leak-free connection. It plays a significant role in preventing coolant loss and maintaining system pressure.

  4. EBM:HSG. (Engine Block Mounting Housing): The thermostat housing is often mounted to the engine block, providing a stable platform for the thermostat and ensuring it is positioned correctly within the coolant flow path.

  5. Out Conn. (Outlet Connection): This refers to the connection point on the thermostat housing where the coolant exits to travel towards the radiator. It is designed to ensure smooth and uninterrupted coolant flow.

In summary, the thermostat housing (part 3017748) works in concert with these components to regulate engine temperature effectively. Its proper installation and maintenance are essential for the overall health and performance of the engine’s cooling system.

Conclusion

The Cummins 3017748 Thermostat Housing is a vital component in the cooling system of heavy-duty trucks, ensuring optimal engine temperature and performance. Its durable construction, precise fitment, and reliable operation make it a valuable part for maintaining engine efficiency and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.


  1. Van Gelder, K. T. (2018). Fundamentals of Automotive Technology: Principles and Practice. Jones & Bartlett Learning.

  2. Quigley, J. M. (2023). SAE International’s Dictionary of Testing, Verification and Validation. SAE International.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
22.0 x 22.0 x 15.0 in
Weight
4 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.