3057441
Expansion Tank
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,499.95 $6,544.94

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

The Cummins 3057441 Expansion Tank is a component designed for use in the cooling systems of commercial trucks. Its primary function is to manage the changes in volume of the coolant as it heats up and cools down, ensuring the system operates efficiently and reliably.

Basic Concepts of Expansion Tanks

An expansion tank is a vital component in a vehicle’s cooling system. It serves as a reservoir that accommodates the expansion of coolant when it is heated. As the engine operates, the coolant absorbs heat and expands. The expansion tank provides a space for this expanded coolant, preventing excessive pressure build-up within the system. Conversely, as the coolant cools and contracts, the tank allows coolant to flow back into the system, maintaining the proper fluid level. This process is governed by the principles of thermal expansion and contraction, which dictate that liquids change volume with temperature variations 1.

Purpose of the 3057441 Expansion Tank

The Cummins 3057441 Expansion Tank plays a role in the operation of a truck’s cooling system by maintaining system pressure, accommodating the volume changes of the coolant, and preventing coolant loss. By providing a controlled environment for the coolant to expand into, it helps to stabilize the pressure within the cooling system. This stability is crucial for the efficient transfer of heat away from the engine, ensuring optimal performance and longevity of the engine components 2.

Key Features

The Cummins 3057441 Expansion Tank is constructed from durable materials that are resistant to corrosion and high temperatures, ensuring longevity and reliability. It is designed with a specific capacity to handle the volume of coolant in the system effectively. The tank incorporates pressure relief mechanisms to vent excess pressure safely, protecting the system from damage. Additionally, design enhancements such as reinforced mounting points and secure sealing methods contribute to the tank’s durability and efficiency.

Benefits

The use of the Cummins 3057441 Expansion Tank in a truck’s cooling system offers several benefits. It contributes to improved engine performance by ensuring the cooling system operates within the designed parameters. This results in enhanced reliability of the cooling system, reducing the likelihood of overheating and related engine damage. Furthermore, the tank’s design and construction reduce maintenance requirements and contribute to the prolonged lifespan of the cooling system components.

Installation Considerations

When installing the Cummins 3057441 Expansion Tank, it is important to follow guidelines and best practices to ensure proper integration with the existing cooling system. This includes selecting an appropriate location for the tank that allows for easy access for maintenance and monitoring. Secure mounting methods should be employed to prevent movement or damage to the tank. Additionally, ensuring proper connection to the cooling system components is crucial for the tank to function effectively.

Troubleshooting Common Issues

Common problems associated with expansion tanks include leaks, pressure imbalances, and contamination. Leaks may occur due to damaged seals or cracks in the tank, requiring inspection and possible replacement. Pressure imbalances can be addressed by checking the pressure relief valve for proper operation and ensuring the cooling system is free of obstructions. Contamination, such as rust or debris in the coolant, may necessitate a system flush to restore optimal performance.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3057441 Expansion Tank, routine maintenance practices are recommended. This includes regular inspections for signs of wear, damage, or leaks. Monitoring and maintaining the proper fluid level within the tank is also important. Additionally, periodic cleaning of the tank and its components can prevent buildup that may impede function. Following these maintenance tips will help to sustain the efficiency and reliability of the cooling system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s product offerings include a wide range of engines, components, and technologies designed to meet the demanding requirements of commercial transportation. Cummins’ commitment to excellence and customer satisfaction has solidified its position as a trusted partner in the industry.

Cummins Expansion Tank 3057441 Compatibility with K19 and K50 Engines

The Cummins Expansion Tank part number 3057441 is designed to be compatible with a range of Cummins engines, including the K19 and K50 models. This part is crucial for maintaining the proper coolant levels and pressure within the engine’s cooling system, ensuring optimal performance and longevity.

K19 Engines

For K19 engines, the expansion tank 3057441 is engineered to fit seamlessly into the engine’s cooling system. It provides a reservoir for the coolant to expand and contract as the engine heats up and cools down, preventing overheating and maintaining the coolant’s effectiveness. The design of the tank ensures that it can handle the specific thermal dynamics of the K19 engine, contributing to the engine’s overall reliability and efficiency.

K50 Engines

Similarly, the expansion tank 3057441 is also compatible with K50 engines. The K50 engines, known for their robust performance, benefit from the precise engineering of this expansion tank. It ensures that the coolant system operates within the optimal pressure range, which is critical for the longevity and performance of the K50 engine. The tank’s design allows for efficient coolant circulation, which helps in maintaining consistent engine temperatures and preventing potential damage from overheating.

Grouping Compatibility

Both the K19 and K50 engines share common design principles in their cooling systems, which makes the expansion tank 3057441 a versatile component for these engines. The compatibility of this part with both engine models highlights its importance in maintaining the integrity of the cooling system across different engine types. This ensures that users can rely on a single part for multiple engine models, simplifying maintenance and part replacement processes.

Role of Part 3057441 Expansion Tank in Engine Systems

The part 3057441 Expansion Tank is an integral component within the cooling system of an engine, working in conjunction with various other parts to maintain optimal engine performance and longevity.

When the engine operates, it generates a significant amount of heat. This heat is managed by the heat exchanger, commonly known as the radiator, which dissipates the heat into the atmosphere. The coolant, a mixture of water and antifreeze, circulates through the engine, absorbing heat and then transferring it to the radiator.

As the coolant absorbs heat, it expands and increases in volume. This is where the expansion tank comes into play. The expansion tank provides a reservoir for the excess coolant volume, preventing overflow and maintaining system pressure. It also allows coolant to be drawn back into the system as the coolant cools and contracts.

The expansion tank is connected to the radiator and the coolant tank. As the coolant heats up and expands, it is pushed into the expansion tank. Conversely, as the coolant cools and contracts, it is drawn back from the expansion tank into the cooling system. This continuous cycle ensures that the cooling system operates efficiently, maintaining a consistent coolant level and pressure.

In summary, the part 3057441 Expansion Tank plays a significant role in the cooling system by managing the volume changes of the coolant, ensuring the system operates within safe pressure limits, and maintaining an optimal coolant level. This, in turn, helps in efficient heat dissipation, protecting the engine from overheating and potential damage 3.

Conclusion

The Cummins 3057441 Expansion Tank is a critical component in the cooling systems of commercial trucks, ensuring efficient and reliable operation. By managing the volume changes of the coolant and maintaining system pressure, this part contributes to the optimal performance and longevity of the engine. Proper installation, maintenance, and troubleshooting practices are essential to maximize the benefits of this component.


  1. Hilgers, Michael. The Drivers Cab. Springer Vieweg, 2022.

  2. Viskup, Richard. Diesel and Gasoline Engines. IntechOpen, 2020.

  3. Reif, Konrad, ed. Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer, 2014.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
27.25 x 16.5 x 13.38 in
Weight
95 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.