4013849
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,099.95 $2,498.94

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 Cummins 4013849 Crankcase Breather is a component designed to facilitate the proper ventilation of the crankcase in commercial trucks. Its role is significant in maintaining the overall health and efficiency of the engine. By managing the pressure within the crankcase and expelling contaminants, this breather contributes to the smooth operation of the truck.

Basic Concepts of Crankcase Breather

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. These byproducts need to be vented to prevent the buildup of pressure, which could lead to leaks or damage. Proper ventilation is essential for maintaining engine efficiency and longevity 1.

Purpose of the Cummins 4013849 Crankcase Breather

The Cummins 4013849 Crankcase Breather is designed to manage the pressure within the crankcase of a truck’s engine. It allows for the expulsion of contaminants such as moisture and sludge that accumulate during engine operation. By maintaining a balanced pressure and clean environment within the crankcase, the breather helps to ensure the engine operates efficiently and with reduced wear on its components 2.

Key Features

This Cummins part is constructed with durable materials to withstand the harsh conditions of commercial truck operation. It incorporates advanced filtration capabilities to trap contaminants before they are released into the atmosphere. The design includes features that enhance its effectiveness and reliability in various operating environments 3.

Benefits

Using the Cummins 4013849 Crankcase Breather offers several advantages. It contributes to improved engine performance by maintaining optimal crankcase pressure and cleanliness. This results in reduced wear on engine components and enhances the longevity of the engine. Additionally, it helps in preserving the overall efficiency of the truck’s powertrain 4.

Installation and Compatibility

Proper installation of the Cummins 4013849 Crankcase Breather is important for its effective operation. Guidelines for installation should be followed to ensure compatibility with the specific truck model. Considerations for different truck configurations may include adjustments or additional components to achieve the best fit and function.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the optimal performance of the Cummins 4013849 Crankcase Breather. This includes periodic checks for blockages or damage and cleaning or replacing filters as necessary. Troubleshooting common issues may involve inspecting for leaks, ensuring proper connections, and verifying that the breather is functioning as intended.

Environmental and Safety Considerations

The Cummins 4013849 Crankcase Breather plays a role in reducing the environmental impact of crankcase emissions by filtering out contaminants before they are released. It is designed to minimize the release of harmful substances into the atmosphere. Safety precautions when handling and maintaining the breather system include following manufacturer guidelines and using appropriate personal protective equipment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a commitment to sustainability, Cummins serves customers in approximately 190 countries and territories, providing reliable and efficient power solutions for various applications.

Compatibility with Cummins Engines

The Cummins Crankcase Breather part 4013849 is designed to fit seamlessly with several engine models, ensuring optimal performance and longevity. This part is compatible with the QSV81G and QSV91G engines, providing a reliable solution for managing crankcase pressure and preventing oil contamination.

For the QSW/QSV82 engines, the breather part 4013849 is engineered to integrate smoothly, maintaining the integrity of the engine’s crankcase system. Its design ensures that it fits precisely, allowing for efficient breather function without compromising the engine’s performance.

Additionally, the QSW73 engine also benefits from the use of the Cummins Crankcase Breather part 4013849. This part is specifically tailored to fit this engine model, ensuring that it operates efficiently and effectively. The breather’s design allows for easy installation and removal, making it a convenient choice for maintenance and repairs.

Role of Part 4013849 Crankcase Breather in Engine Systems

In the intricate arrangement of an engine system, the part 4013849 Crankcase Breather assumes a significant role by managing the ventilation of the crankcase. This component is engineered to release built-up gases and vapors from the crankcase, which are byproducts of the combustion process.

As the engine operates, a mixture of air, fuel vapors, and combustion byproducts accumulates within the crankcase. The crankcase breather, part 4013849, facilitates the expulsion of these gases, preventing pressure build-up that could lead to oil leaks or engine damage. It ensures that the crankcase maintains a stable pressure, which is essential for the proper functioning of the engine’s moving parts.

Moreover, the breather is designed to route these expelled gases back into the intake system, where they can be re-burned, thus contributing to emissions control and fuel efficiency. This recirculation process is a key aspect of modern engine management systems, aligning with environmental regulations and enhancing overall engine performance.

Conclusion

In summary, the Cummins 4013849 Crankcase Breather is a versatile and essential component for the QSV81G, QSV91G, QSW/QSV82, and QSW73 engines, providing a reliable solution for managing crankcase pressure and ensuring the engine’s optimal performance. Its role in maintaining engine health, efficiency, and compliance with emissions standards underscores its importance in the engine’s ventilation system.


  1. Isermann, R. (2017). Combustion Engine Diagnosis. Springer Vieweg.

  2. Garrett, T.K., Newton, K., & Steeds, W. (2001). The Motor Vehicle. Reed Educational and Professional Publishing Ltd.

  3. Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.

  4. Pacejka, H.B. (2006). Tyre and Vehicle Dynamics. Butterworth-Heinemann.

SPECIFICATIONS

Package Dimensions
23.0 x 16.0 x 12.0 in
Weight
5.8 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.