3040113
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$579.95 $690.14

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 BREATHER, CRANKCASE, specifically Part #3040113 by Cummins, is a component designed to maintain the health and efficiency of heavy-duty truck engines. Cummins Inc. is renowned for its expertise in manufacturing high-quality automotive components, and this breather, crankcase is no exception. It is engineered to play a significant role in the engine’s operation, ensuring optimal performance and longevity.

Basic Concepts

Crankcase breathers are integral to the functioning of an engine. They operate on the principle of allowing the release of gases and vapors that accumulate within the crankcase. This process is vital for maintaining engine health, as it prevents the buildup of pressure and contaminants that could otherwise lead to engine damage. The breather facilitates the venting of these vapors, thus contributing to the overall efficiency and reliability of the engine 1.

Purpose and Function

The 3040113 breather, crankcase serves a specific purpose in the operation of a truck engine. It is designed to vent crankcase vapors, which are a byproduct of the combustion process. By allowing these vapors to escape, the breather helps maintain a balanced pressure within the crankcase. This balance is crucial for the proper functioning of the engine, as it ensures that the internal components operate under optimal conditions 2.

Key Features

The 3040113 breather, crankcase is characterized by several key features that enhance its performance. Its design incorporates elements that facilitate efficient venting of crankcase vapors. The materials used in its construction are selected for their durability and resistance to the harsh conditions within the engine compartment. Additionally, the breather may include unique attributes such as filters or baffles to prevent the ingestion of contaminants, further safeguarding the engine’s integrity.

Benefits

Utilizing the 3040113 breather, crankcase offers several benefits. It contributes to improved engine longevity by preventing the buildup of pressure and contaminants within the crankcase. This reduction in contamination also leads to cleaner oil, which is less likely to degrade over time. Furthermore, the breather enhances overall engine performance by ensuring that the engine operates under optimal conditions, free from the adverse effects of excess pressure and contaminants.

Installation and Compatibility

Proper installation of the 3040113 breather, crankcase is crucial for its effective operation. It is important to follow manufacturer guidelines to ensure that the breather is correctly positioned and securely attached. This component is designed to be compatible with specific engine models, and it is advisable to consult the manufacturer’s recommendations to ensure compatibility with the intended application.

Maintenance and Troubleshooting

Regular maintenance of the 3040113 breather, crankcase is recommended to ensure its optimal functioning. This may include periodic inspections for signs of wear or damage, as well as cleaning or replacing any filters or baffles as necessary. Common issues that may arise include blockages or leaks, which can be addressed by following troubleshooting tips provided by the manufacturer.

Cummins Overview

Cummins Inc. has a long-standing reputation for excellence in the manufacturing of automotive components. Founded with a commitment to innovation and quality, Cummins has grown to become a leader in the industry. Their expertise is evident in the design and construction of the 3040113 breather, crankcase, which reflects their dedication to producing reliable and high-performing parts for heavy-duty applications.

Compatibility of Cummins BREATHER, CRANKCASE (Part 3040113)

The Cummins BREATHER, CRANKCASE part number 3040113 is designed to fit seamlessly with several engine models. This part is essential for maintaining the integrity of the crankcase ventilation system, ensuring that the engine operates efficiently and safely.

L10 MECHANICAL Engines

For the L10 MECHANICAL engines, the BREATHER, CRANKCASE part 3040113 is specifically engineered to integrate with the engine’s ventilation system. This part helps manage the pressure within the crankcase, preventing the buildup of harmful gases and ensuring that the engine’s performance is not compromised.

Grouping of Compatible Engines

While the primary focus here is on the L10 MECHANICAL engines, it is important to note that the BREATHER, CRANKCASE part 3040113 is also compatible with other Cummins engine models that share similar design and operational parameters. These engines often belong to the same family or series, ensuring that the part fits and functions as intended across various models.

Importance of Proper Fitment

Ensuring that the BREATHER, CRANKCASE part 3040113 is correctly installed is crucial for the overall health of the engine. Proper fitment guarantees that the ventilation system operates efficiently, which can lead to improved engine performance and longevity. It is advisable to consult the engine’s manual or a certified technician to verify compatibility and installation procedures.

Role of Part 3040113 BREATHER,CRANKCASE in Engine Systems

The part 3040113 BREATHER,CRANKCASE is an essential component in maintaining the health and efficiency of engine systems. It is strategically integrated into the engine’s design to manage the pressure within the crankcase, ensuring optimal performance and longevity of the engine.

Interaction with the Valve Cover

The BREATHER,CRANKCASE works in conjunction with the valve cover to regulate the pressure inside the crankcase. As the engine operates, it produces blow-by gases—a mixture of air, fuel, and combustion byproducts that escape past the piston rings into the crankcase. The valve cover, which encloses the top of the cylinder head and valve train, must be ventilated to prevent the buildup of these gases. The BREATHER,CRANKCASE facilitates this by allowing the gases to escape, thus maintaining a stable pressure environment. This interaction helps in reducing the risk of oil leaks and ensures that the valve cover gasket remains intact and functional.

Coordination with the PCV Valve

In many engine systems, the BREATHER,CRANKCASE is connected to the Positive Crankcase Ventilation (PCV) valve. The PCV valve is responsible for regulating the flow of crankcase gases back into the intake manifold, where they can be re-burned in the combustion chamber. The BREATHER,CRANKCASE assists in this process by providing a pathway for the gases to travel from the crankcase to the PCV valve. This not only helps in reducing emissions but also in conserving fuel by reusing the unburned hydrocarbons.

Impact on the Engine Cover

The engine cover, which serves as a protective shell over various engine components, also benefits from the presence of the BREATHER,CRANKCASE. By managing the pressure within the crankcase, the BREATHER,CRANKCASE helps in preventing the engine cover from warping or cracking due to excessive pressure buildup. This ensures that the cover remains securely fitted, protecting the internal components from contaminants and external damage.

Overall System Integration

In summary, the part 3040113 BREATHER,CRANKCASE plays a significant role in the overall engine system by ensuring that the crankcase maintains a balanced pressure. This not only enhances the engine’s performance but also contributes to its durability. The breather’s integration with the valve cover, PCV valve, and engine cover demonstrates its importance in the intricate web of engine components, working harmoniously to deliver efficient and reliable operation.

Conclusion

The 3040113 BREATHER,CRANKCASE by Cummins is a critical component for maintaining the health and efficiency of heavy-duty truck engines. Its role in managing crankcase pressure, coordinating with other engine components, and ensuring overall system integration underscores its importance in engine performance and longevity. Proper installation, maintenance, and understanding of its compatibility are essential for maximizing the benefits of this Cummins part.


  1. Diesel Emissions and Their Control: Second Edition, Addy Majewski and Hannu Jaskelainen, SAE International, 2023

  2. The Diesel Engine Second Edition, Michael Hilgers, Springer Nature, 2023

SPECIFICATIONS

Service Part Topic
91T3-2
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.8 x 4.4 x 4.4 in
Weight
0.06 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.