5347267
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

9 are currently available

Ships within 2-4 business days

$1,799.95 $2,141.94

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 5347267 Crankcase Breather is a component designed by Cummins to facilitate the operation of heavy-duty trucks. Its purpose is to manage the pressure within the engine’s crankcase and to expel contaminants that could otherwise compromise engine performance. Cummins, a well-established manufacturer in the automotive industry, is known for its commitment to quality and innovation in producing reliable automotive components 1.

Basic Concepts of Crankcase Breathers

A crankcase breather is a device that allows air to escape from the crankcase of an engine. As the engine operates, gases and vapors are produced within the crankcase. The crankcase breather plays a role in the engine system by allowing these byproducts to be released, thus maintaining a stable pressure environment. This process is vital for preserving engine health, as it prevents the buildup of pressure that could lead to leaks or other forms of damage 2.

Purpose of the 5347267 Crankcase Breather

This Cummins part is specifically designed to enhance the operation of heavy-duty trucks. It manages the pressure within the crankcase by allowing gases and vapors to escape, which helps in maintaining optimal engine performance. Additionally, it expels contaminants that may accumulate within the crankcase, thereby contributing to the overall efficiency and longevity of the engine.

Key Features

The 5347267 is constructed with materials that ensure durability and effectiveness. Its design incorporates advanced filtration capabilities to trap contaminants before they are released into the atmosphere. Unique design elements enhance its performance, ensuring that it operates efficiently under the demanding conditions typical of heavy-duty truck engines.

Benefits

The advantages provided by the 5347267 include improved engine performance, reduced wear and tear on engine components, and enhanced longevity. By effectively managing crankcase pressure and expelling contaminants, it contributes to a cleaner and more efficient engine operation.

Installation Process

Proper installation of this part involves a series of steps to ensure it functions correctly. Specific tools may be required, and following the manufacturer’s guidelines is recommended to achieve a successful installation. Detailed instructions should be consulted to understand the precise procedures involved.

Maintenance and Troubleshooting

Regular maintenance of the 5347267 is important to ensure its continued effective operation. This includes periodic inspections and cleaning to remove any accumulated contaminants. Common issues that may arise can often be addressed through troubleshooting, and recommended inspection intervals should be adhered to for optimal performance.

Environmental and Safety Considerations

The 5347267 contributes to reducing emissions by effectively managing crankcase gases and vapors. Its design and operation are in compliance with regulatory standards, ensuring that it meets safety and environmental requirements.

Cummins Overview

Cummins has a long-standing reputation as a manufacturer committed to quality and innovation. Their history in the automotive industry is marked by a dedication to producing components that enhance the performance and reliability of engines. Cummins continues to lead in the development of advanced automotive technologies, ensuring their products meet the high standards expected in the industry 3.

Crankcase Breather Part 5347267 in Cummins Engines

The Crankcase Breather part 5347267 is a component in Cummins engines, ensuring proper ventilation and pressure management within the crankcase. This part is designed to fit seamlessly into various Cummins engine models, providing a reliable solution for maintaining optimal engine performance.

ISB6.7 G CM2180 B118

In the ISB6.7 G CM2180 B118 engine, the Crankcase Breather part 5347267 is engineered to fit precisely, ensuring efficient breather function. This engine model benefits from the breather’s ability to manage pressure fluctuations, preventing oil contamination and ensuring the longevity of engine components.

ISL G CM2180

Similarly, the ISL G CM2180 engine incorporates the Crankcase Breather part 5347267 as a vital part of its ventilation system. This part is designed to integrate smoothly with the engine’s architecture, providing essential breather functionality that supports the engine’s operational efficiency and durability.

Grouping of Engines

Both the ISB6.7 G CM2180 B118 and ISL G CM2180 engines share a common requirement for effective crankcase ventilation, which the part 5347267 fulfills. The design of this breather ensures that it can be used across these engine models, providing a standardized solution for managing crankcase pressure and preventing oil contamination. This commonality in design allows for easier maintenance and part replacement across these engine types.

Understanding the Integration of Part 5347267 Crankcase Breather in Engine Systems

The part 5347267 Crankcase Breather is a component in maintaining the health and efficiency of an engine system. Its primary function is to manage the pressure within the crankcase by allowing gases to escape while preventing contaminants from entering. This is achieved through a carefully designed filtration system that ensures only clean air enters the crankcase.

Interaction with the Crankcase

The crankcase breather works in tandem with the crankcase to regulate the internal pressure. As the engine operates, it produces blow-by gases—a mixture of air, fuel, and combustion byproducts—that accumulate in the crankcase. The crankcase breather provides a controlled pathway for these gases to exit, thereby preventing pressure build-up that could lead to leaks or damage.

Role in the Breather System

In a comprehensive breather system, the part 5347267 is often connected to other components such as the air intake system and the positive crankcase ventilation (PCV) valve. This connection allows the system to recirculate the expelled gases back into the intake manifold, where they can be burned again in the combustion chamber. This not only reduces emissions but also enhances engine efficiency.

Ensuring Clean Air Intake

One of the key aspects of the crankcase breather is its filtration capability. It ensures that the air entering the crankcase is free from dirt and debris, which could otherwise cause wear and tear on the internal components. This filtration is vital for the longevity and performance of the engine.

Maintaining System Balance

By effectively managing the pressure and filtration within the crankcase, the part 5347267 Crankcase Breather plays a significant role in maintaining the overall balance of the engine system. It ensures that the engine operates within optimal parameters, contributing to smooth performance and reduced maintenance needs.

Conclusion

The 5347267 Crankcase Breather is a vital component in the maintenance and efficiency of Cummins engines. Its role in managing crankcase pressure, expelling contaminants, and ensuring clean air intake contributes significantly to the overall performance and longevity of the engine. Proper installation, regular maintenance, and understanding its integration within the engine system are key to maximizing the benefits of this part.


  1. Saiful Bari, Diesel Engine Combustion, Emissions and Condition Monitoring, InTech, 2013.

  2. Bruce Maclaurin, High Speed Off-Road Vehicles, Wiley, 2018.

  3. Tigran Parikyan Ed, Advances in Engine and Powertrain Research and Technology, Springer Nature, 2022.

SPECIFICATIONS

Package Dimensions
12.75 x 7.5 x 6.75 in
Weight
5 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.