3057442
Expansion Tank
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,999.95 $7,139.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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

Introduction

The Cummins 3057442 Expansion Tank is a critical component designed to support the cooling system of heavy-duty trucks. It ensures the integrity and efficiency of the cooling system by managing the thermal expansion and contraction of the coolant. This part plays a significant role in maintaining optimal engine temperature, contributing to the overall performance and longevity of the vehicle 1.

Basic Concepts of Expansion Tanks

An expansion tank is essential in any cooling system, designed to accommodate the changes in volume of the coolant as it heats up and cools down. When the engine is running, the coolant absorbs heat and expands. Conversely, as the engine cools, the coolant contracts. The expansion tank provides a space for the coolant to expand into when hot and ensures there is sufficient coolant in the system when it contracts upon cooling. This process helps maintain consistent pressure within the cooling system and prevents overflow or vacuum situations that could lead to system failure 2.

Purpose of the 3057442 Expansion Tank

The Cummins 3057442 Expansion Tank serves several functions within the truck’s cooling system. It maintains system pressure by allowing coolant to expand into the tank when heated, thus preventing excessive pressure build-up. Additionally, it accommodates the coolant’s expansion, which helps prevent overflow. When the engine cools and the coolant contracts, the tank ensures that the cooling system remains filled, thus preventing the formation of air pockets that could impair heat transfer efficiency 3.

Key Features

The Cummins 3057442 Expansion Tank is constructed from durable materials to withstand the harsh conditions of heavy-duty truck operations. It features a robust design with a sufficient capacity to handle the volume changes of the coolant. The tank includes pressure relief mechanisms to ensure that the system operates within safe pressure limits. Unique to Cummins’ design, the tank may incorporate features such as a built-in pressure cap or a bleeder valve to facilitate easy maintenance and ensure optimal performance.

Benefits of Using the 3057442 Expansion Tank

Utilizing the Cummins 3057442 Expansion Tank offers several advantages. It contributes to improved coolant system efficiency by maintaining consistent pressure and volume within the system. The durable construction ensures enhanced longevity, reducing the need for frequent replacements. Furthermore, by ensuring the cooling system operates efficiently, the expansion tank plays a role in supporting overall engine performance and extending the engine’s operational life.

Installation and Integration

Proper installation of the Cummins 3057442 Expansion Tank is crucial for its effective operation. It is designed to be compatible with Cummins engines, ensuring seamless integration into the cooling system. The installation process requires specific tools and should follow manufacturer guidelines to ensure correct fitting and function. Step-by-step procedures provided by Cummins should be adhered to for optimal results.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3057442 Expansion Tank is recommended to ensure its continued efficient operation. This includes checking for signs of leaks, inspecting the pressure relief mechanisms, and ensuring the tank is free from contaminants. Troubleshooting common issues such as overflow or underfill can often be resolved by inspecting and maintaining the expansion tank and its associated components. If significant issues are detected, considering replacement of the expansion tank may be necessary to maintain system integrity.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the heavy-duty truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of vehicles and equipment. Cummins’ commitment to quality and customer satisfaction is evident in its extensive product offerings and support services.

Compatibility of Expansion Tank Part 3057442 with Cummins Engines

The Expansion Tank part 3057442, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This part is engineered to integrate with the cooling systems of various engine models, providing essential functions such as managing pressure fluctuations and preventing overheating.

K19 and K38 Engines

For the K19 and K38 engines, the expansion tank part 3057442 is specifically tailored to fit into the engine’s cooling system architecture. Its design ensures that it can handle the unique thermal dynamics of these engines, contributing to the overall efficiency and longevity of the engine. The part’s compatibility with these models is a result of meticulous engineering, ensuring that it meets the stringent requirements of these engines.

K50 Engine

The K50 engine also benefits from the integration of the expansion tank part 3057442. This part is engineered to work in harmony with the K50’s cooling system, providing critical support in maintaining the engine’s optimal operating temperature. The design of the expansion tank ensures that it can effectively manage the thermal stresses encountered by the K50 engine, thereby enhancing its performance and durability.

Grouping of Engines

The K19 and K38 engines, while distinct in their specifications, share common design principles that allow the expansion tank part 3057442 to fit effectively. This commonality in design facilitates easier maintenance and replacement processes, as the same part can be used across these models. The K50 engine, while different in its architecture, also benefits from the expansion tank’s ability to integrate smoothly into its cooling system, ensuring that it can handle the specific demands of this engine model.

This compatibility across different engine models underscores the versatility and reliability of the expansion tank part 3057442, making it a crucial component for maintaining the performance and longevity of Cummins engines.

Role of Part 3057442 Expansion Tank in Engine Systems

The expansion tank, identified by part number 3057442, is an integral component within the cooling system of an engine. Its primary function is to accommodate the fluctuation in coolant volume due to thermal expansion and contraction. As the engine operates, it generates heat, causing the coolant to expand. The expansion tank provides a reservoir for this excess coolant, preventing overflow and maintaining system pressure.

In conjunction with the radiator, the expansion tank ensures a consistent coolant level. When the engine cools down, the coolant contracts, creating a vacuum that draws coolant back from the expansion tank into the system. This cyclical process helps maintain optimal coolant levels and pressure, which is essential for efficient heat dissipation.

The expansion tank also plays a role in preventing airlocks within the cooling system. By allowing air to escape during the heating and cooling cycles, it ensures that coolant can circulate freely without obstruction. This is particularly important in systems with multiple coolant passages and complex engine designs.

Furthermore, the expansion tank is connected to the radiator and the coolant recovery system. It works in tandem with the pressure cap to regulate the system’s pressure, enhancing the boiling point of the coolant and improving the engine’s overall thermal efficiency.

Conclusion

In summary, the Cummins 3057442 Expansion Tank is a vital component that ensures the cooling system operates smoothly, maintains pressure, and prevents issues such as overflow, vacuum formation, and airlocks, thereby contributing to the engine’s reliable performance. Its robust design, compatibility with various Cummins engines, and essential role in the cooling system make it a critical part for maintaining the performance and longevity of heavy-duty trucks.


  1. Controlling Noise and Vibration in Road Vehicles, Matthew Harrison, SAE International, 2004

  2. Diesel Engine System Design, Qianfan Xin, Woodhead Publishing, 2011

  3. Department of Energy Fundamentals Handbook, Department of Energy, 2015

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
37.8 x 23.9 x 13.75 in
Weight
112 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.