4372797
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$6,199.95 $7,377.94

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 BREATHER,CRANKCASE part #4372797 by Cummins is a component designed to facilitate the ventilation of the crankcase in heavy-duty trucks. Its role is to manage the pressure and contaminants within the crankcase, ensuring the engine operates efficiently and reliably. This part is integral to maintaining the health and performance of the engine by allowing for the release of gases and vapors that accumulate during operation.

Basic Concepts of Crankcase Breathers

A crankcase breather is a device that allows for the controlled release of gases and vapors that build up inside the crankcase of an engine. It functions by providing a pathway for these byproducts to escape, which helps in maintaining a stable pressure environment within the crankcase. Proper ventilation is vital for preventing the buildup of harmful contaminants, such as sludge and moisture, which can adversely affect engine components and performance 1.

Purpose and Role in Truck Operation

The BREATHER,CRANKCASE part #4372797 plays a significant role in the operation of a truck by managing the pressure and contaminants within the crankcase. It allows for the escape of gases and vapors generated during engine operation, which helps in maintaining optimal pressure levels and preventing the accumulation of contaminants. This, in turn, contributes to the efficient and reliable operation of the engine.

Key Features

The Cummins BREATHER,CRANKCASE part #4372797 is designed with several key features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to wear and corrosion, ensuring long-lasting operation. The design of the breather allows for effective ventilation while minimizing the risk of contaminants entering the engine. Additionally, it is engineered to be compatible with various Cummins engine models, providing versatility in application.

Benefits

The BREATHER,CRANKCASE part #4372797 offers several benefits that contribute to improved engine performance and reliability. By facilitating proper ventilation of the crankcase, it helps in maintaining optimal pressure levels and reducing the accumulation of contaminants. This leads to enhanced engine efficiency, extended component life, and increased reliability. The use of high-quality materials and precise engineering ensures that the breather can withstand the demanding conditions of heavy-duty truck operation 2.

Installation and Compatibility

Proper installation of the BREATHER,CRANKCASE part #4372797 is crucial for ensuring its effective operation and compatibility with the engine. It is designed to be installed in a specific location within the engine system, following the manufacturer’s guidelines. Compatibility with various Cummins engine models is ensured through careful design and engineering, allowing for seamless integration into different engine configurations.

Maintenance and Troubleshooting

Regular maintenance of the BREATHER,CRANKCASE part #4372797 is important for ensuring its continued performance and reliability. This includes periodic inspection for signs of wear or damage, cleaning to remove any accumulated contaminants, and replacing the breather if necessary. Common signs of wear or failure may include reduced engine performance, increased emissions, or unusual noises coming from the engine. Troubleshooting tips may involve checking for proper installation, ensuring the breather is free from obstructions, and verifying that it is functioning as intended.

Environmental and Safety Considerations

Proper crankcase ventilation has environmental benefits by reducing the emission of harmful gases and vapors into the atmosphere. Additionally, maintaining and replacing the BREATHER,CRANKCASE part #4372797 should be done with consideration for safety. This includes following proper procedures for handling and disposing of old parts, as well as ensuring that the new breather is installed correctly to avoid any risks associated with engine operation.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins is committed to innovation and quality in the diesel engine and components industry. The company offers a wide range of products designed to meet the needs of various industries, including heavy-duty trucking, construction, agriculture, and power generation. Cummins’ dedication to excellence is evident in its continuous pursuit of technological advancements and its focus on providing reliable, high-performance solutions to its customers.

Cummins BREATHER,CRANKCASE Part 4372797 Compatibility

The Cummins BREATHER,CRANKCASE part 4372797 is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This part is integral to the engine’s crankcase ventilation system, which helps maintain proper pressure levels and prevents oil contamination.

QSK60 Engines

The QSK60 engine series benefits from the BREATHER,CRANKCASE part 4372797, which is engineered to integrate smoothly with these high-performance engines. This part ensures that the crankcase ventilation system operates efficiently, contributing to the overall durability and efficiency of the QSK60 engines.

CM850 Engines

For the CM850 engine series, the BREATHER,CRANKCASE part 4372797 is a critical component that supports the engine’s ventilation needs. Its design ensures that the crankcase is properly ventilated, which is essential for maintaining engine health and performance.

MCRS Engines

The MCRS engines also rely on the BREATHER,CRANKCASE part 4372797 to maintain the integrity of their crankcase ventilation system. This part is specifically crafted to fit these engines, ensuring that the ventilation process is effective and reliable.

Grouped Compatibility

The BREATHER,CRANKCASE part 4372797 is compatible with the QSK60, CM850, and MCRS engine series. This compatibility is due to the part’s standardized design, which allows it to fit multiple engine models within these series. Cummins has ensured that this part meets the stringent requirements of each engine type, providing a reliable solution for crankcase ventilation across these engines.

Understanding the Role of Part 4372797 BREATHER,CRANKCASE in Engine Systems

In the intricate arrangement of an engine system, the BREATHER,CRANKCASE part 4372797 plays a significant role in maintaining the efficiency and longevity of the engine. This component is specifically designed to manage the pressure within the crankcase, ensuring that the internal environment remains optimal for engine performance.

Integration with the Crankcase Breather System

The crankcase breather system is essential for venting gases that accumulate within the crankcase. As the engine operates, blow-by gases—consisting of unburned fuel, combustion byproducts, and moisture—pass through the piston rings and into the crankcase. If these gases are not effectively managed, they can lead to increased pressure, contamination of the engine oil, and potential damage to engine components.

Part 4372797 is engineered to facilitate the release of these gases in a controlled manner. It is typically connected to the crankcase and routed to a location where the gases can be safely expelled or recirculated back into the intake system. This process not only helps in maintaining the pressure balance but also ensures that harmful contaminants are minimized.

Contribution to Engine Arrangement

In the overall engine arrangement, the efficient functioning of the crankcase breather, including Part 4372797, is vital. It works in conjunction with other components such as the PCV (Positive Crankcase Ventilation) valve, oil separators, and various hoses and tubes that form the breather system.

By ensuring that the crankcase remains pressurized correctly, Part 4372797 aids in:

  • Reducing the workload on the engine seals and gaskets
  • Preventing oil dilution and contamination
  • Enhancing the overall efficiency of the engine by allowing it to operate in a cleaner environment

Conclusion

In summary, the proper installation and maintenance of the BREATHER,CRANKCASE part 4372797 are fundamental to the effective operation of the crankcase breather system, contributing to the durability and performance of the engine. Regular maintenance, proper installation, and understanding its role within the engine system are key to maximizing the benefits of this Cummins part.


  1. Gifford, Clive. Cars Encyclopedia. DK Publishing, 2014.

  2. Thompson, Rob. Automotive Maintenance: Light Repair. Cengage Learning, 2019.

SPECIFICATIONS

Package Dimensions
54.3 x 31.6 x 42.8 in
Weight
7.843 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.