5265364
Breather Tube
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$124.95 $148.69

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 5265364 Breather Tube is a component designed for use in commercial trucks. It serves a specific function within the engine system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is key to maintaining optimal truck performance.

Basic Concepts of Breather Tubes

Breather tubes are components found in engine systems that allow for the release of pressure and the exchange of air within the crankcase. They play a role in maintaining a balanced pressure environment, which is important for the proper functioning of engine components. By facilitating the release of gases and moisture, breather tubes help in preserving engine health and ensuring smooth operation 1.

Purpose of the Cummins 5265364 Breather Tube

The Cummins 5265364 Breather Tube is integral to the ventilation system of a truck’s engine. It allows for the controlled release of pressure and the circulation of air within the crankcase. This function helps in reducing the buildup of contaminants and moisture, which can otherwise lead to engine wear and decreased performance. The breather tube contributes to maintaining a clean and dry environment within the engine, supporting its longevity and efficiency 2.

Key Features

The Cummins 5265364 Breather Tube is constructed with materials and design elements that enhance its durability and performance. It is made from high-quality materials that resist corrosion and wear, ensuring longevity in demanding commercial truck environments. The design of the tube includes features that facilitate efficient air flow and pressure release, contributing to its effective function within the engine system 3.

Benefits of Using the Cummins 5265364 Breather Tube

Incorporating the Cummins 5265364 Breather Tube into a truck’s engine system offers several advantages. It contributes to improved engine performance by maintaining optimal pressure and air circulation within the crankcase. This can lead to enhanced engine efficiency and reliability. Additionally, the use of a high-quality breather tube like the Cummins 5265364 can extend the lifespan of the engine by reducing the risk of contamination and wear 4.

Installation Considerations

Proper installation of the Cummins 5265364 Breather Tube is important to ensure its effective function and the overall health of the engine. It is recommended to follow manufacturer guidelines for installation, which may include specific torque settings and alignment instructions. Ensuring a secure and correct fit will help in maximizing the performance and longevity of the breather tube.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 5265364 Breather Tube is important to ensure its continued effective function. This may include periodic inspections for signs of wear or damage, and cleaning or replacement as necessary. Common issues with breather tubes can include blockages or leaks, which may affect engine performance. Troubleshooting these issues promptly can help in maintaining optimal engine health.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its range of high-quality engine components and systems. With a history of innovation and commitment to quality, Cummins has built a reputation for producing reliable and efficient products that meet the demanding needs of commercial trucking. The company’s product range includes a variety of components designed to enhance the performance and reliability of commercial trucks.

Cummins Engine Compatibility with Breather Tube Part 5265364

The Cummins Breather Tube part number 5265364 is designed to fit a variety of Cummins engines, ensuring effective ventilation and pressure management within the engine’s crankcase. This part is crucial for maintaining the engine’s operational efficiency and longevity.

ISB6.7 Engines

The ISB6.7 engine series, including the ISB6.7 CM2250 and ISB6.7 CM2350 B101 models, are robust diesel engines widely used in various applications such as trucks, buses, and industrial machinery. The Breather Tube part 5265364 is compatible with these engines, providing a necessary link between the crankcase and the atmosphere to regulate pressure and prevent oil contamination.

QSB6.7 Engines

Similarly, the QSB6.7 engine series, which includes the QSB6.7 CM2250 and QSB6.7 CM2350 B105 models, are designed for applications requiring high power and reliability, such as construction equipment and agricultural machinery. The Breather Tube part 5265364 fits these engines, ensuring that the crankcase ventilation system operates smoothly, thereby maintaining optimal engine performance.

Cross-Compatibility

The Breather Tube part 5265364 is engineered to be versatile, fitting across multiple Cummins engine models. This compatibility allows for easier maintenance and part replacement, as the same component can be used across different engine types, reducing inventory needs and simplifying the supply chain for users.

Role of Part 5265364 Breather Tube in Engine Systems

The Part 5265364 Breather Tube is an essential component in the efficient operation of engine systems, particularly in managing the crankcase ventilation. This breather tube is integrated into the crankcase breather system, which is responsible for releasing pressure that builds up inside the crankcase due to the combustion process.

In the context of plumbing, the breather tube serves as a conduit that allows the safe and controlled release of gases, including unburned fuel and combustion byproducts, from the crankcase. This is important for maintaining the integrity of the engine’s internal seals and gaskets, which could otherwise be compromised by excessive pressure.

Within the crankcase breather system, the breather tube works in conjunction with other components such as the PCV (Positive Crankcase Ventilation) valve. The PCV valve regulates the flow of these gases back into the intake manifold, where they can be re-burned, thus reducing emissions and improving fuel efficiency. The breather tube ensures that this process occurs smoothly without allowing contaminants to enter the crankcase, which could lead to oil degradation and engine wear.

Overall, the breather tube is a key element in maintaining a balanced and efficient engine system, ensuring that pressure is managed effectively and that the engine operates within optimal parameters.

Conclusion

The Cummins 5265364 Breather Tube plays a vital role in the ventilation system of commercial truck engines. By facilitating the release of pressure and circulation of air within the crankcase, it helps maintain engine health, efficiency, and longevity. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are essential for maximizing the benefits of this component.


  1. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

  2. Osgood, L., Cameron, G., & Christensen, E. (2024). Engineering Mechanics: Statics. Creative Commons.

  3. Trzesniowski, M. (2023). The Complete Vehicle. Springer Nature.

  4. Reif, K. (Ed.). (2014). Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer.

SPECIFICATIONS

Package Dimensions
30.0 x 12.0 x 1.25 in
Weight
0.6 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.