4065410
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,399.95 $1,665.94

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 Cummins Part #4065410, also known as the BREATHER,CRANKCASE, is a component designed for use in commercial trucks. Its purpose is to facilitate the proper ventilation of the engine’s crankcase, which is vital for maintaining optimal engine performance and longevity. This part is integral to the engine’s operation, ensuring that pressure and contaminants are effectively managed within the crankcase.

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. These byproducts need to be expelled to prevent the buildup of pressure and contaminants, which can lead to engine damage. Proper ventilation of the crankcase is important for maintaining engine efficiency and preventing wear on internal components 2.

Purpose and Function of the Cummins Part #4065410

The Cummins Part #4065410 is designed to manage the pressure and contaminants within the crankcase of commercial truck engines. It allows for the release of gases and vapors while preventing the ingress of external contaminants. This part plays a role in maintaining a clean and pressure-balanced environment within the crankcase, which contributes to the overall performance and reliability of the engine 3.

Key Features

The Cummins Part #4065410 is constructed with materials that are durable and resistant to the harsh conditions within an engine’s crankcase. It incorporates filtration capabilities to ensure that only clean air is drawn into the crankcase. Unique design elements may include a multi-stage filtration system and a robust housing that can withstand high temperatures and pressures 1.

Benefits of Using the Cummins Part #4065410

Utilizing the Cummins Part #4065410 can lead to improved engine performance due to better crankcase ventilation. It contributes to extended component lifespan by reducing the accumulation of contaminants and maintaining optimal pressure levels. Additionally, the part enhances engine reliability by ensuring that the crankcase environment remains conducive to efficient engine operation 4.

Installation and Compatibility

For the Cummins Part #4065410 to function correctly, it should be installed according to the manufacturer’s guidelines. Proper installation is important to ensure that the breather effectively manages crankcase pressure and contaminants. Specific requirements may include torque specifications for fasteners and alignment with other engine components to ensure optimal performance 4.

Maintenance and Troubleshooting

Regular maintenance of the Cummins Part #4065410 is important to ensure its longevity and efficiency. This may involve periodic inspection and cleaning of the filtration system to remove any accumulated debris. Common issues that may arise include reduced airflow or filtration efficiency, which can often be resolved by cleaning or replacing the breather element as necessary 4.

Environmental and Safety Considerations

Proper crankcase ventilation has an impact on the environment by reducing the emission of harmful gases and vapors. The Cummins Part #4065410 is designed with safety measures to protect both the engine and the operator. These measures may include secure mounting to prevent detachment and filtration to prevent the release of contaminants into the atmosphere 4.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel engines and related technologies. With a history of innovation and a commitment to quality, Cummins serves commercial, industrial, and transportation markets worldwide. The company’s product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of various industries 4.

Integration with Engine Components

Crankcase Ventilation System

The breather, crankcase is a key player in the crankcase ventilation system. It works in tandem with the Positive Crankcase Ventilation (PCV) valve to regulate the flow of gases within the crankcase. By allowing fresh air to enter and stale gases to exit, it helps maintain a stable pressure within the crankcase, which is essential for the proper functioning of the piston rings and other moving parts 2.

Oil Management

In conjunction with the oil pan and oil pump, the breather, crankcase aids in managing the engine’s lubrication system. It helps in preventing the buildup of sludge and contaminants by ensuring that the crankcase remains ventilated. This, in turn, contributes to the longevity of the oil and the engine components it lubricates 1.

Emission Control

The breather, crankcase is also part of the engine’s emission control strategy. By facilitating the removal of blow-by gases—which are a mixture of unburned fuel, combustion byproducts, and moisture—it reduces the engine’s emissions. These gases are routed back into the intake system, where they are re-burned, thus minimizing the environmental impact 2.

Engine Performance

A well-functioning breather, crankcase contributes to the overall performance of the engine. By ensuring that the crankcase is properly ventilated, it helps in reducing the risk of engine knock and other performance-related issues. This is particularly important in high-performance engines where the tolerances are tighter, and the demands on the engine are greater 3.

Maintenance and Diagnostics

For engineers and mechanics, the breather, crankcase is a component that requires regular inspection and maintenance. Issues with this part can lead to a host of problems, including oil leaks, increased emissions, and reduced engine performance. Therefore, understanding its role and ensuring its proper function is essential for maintaining the engine’s health 4.

Conclusion

In summary, the breather, crankcase, identified as part 4065410, is a component that, while small in size, plays a substantial role in the ventilation, lubrication, emission control, and overall performance of engine systems. Its integration with other components such as the PCV valve, oil pan, and intake system underscores its importance in the complex ecosystem of an engine.


  1. Nicholas Goodnight and Kirk VanGelder, Automotive Braking Systems CDX Master Automotive Technician Series (Jones Bartlett Learning, 2019).

  2. Pedram Asef, Sanjeevikumar Padmanaban, and Andrew Lapthorn, Modern Automotive Electrical Systems (Wiley, 2022).

  3. John F Kershaw, SAE International’s Dictionary for Automotive Engineers (SAE International, 2023).

  4. Cummins Inc., Operation and Maintenance Manual for X15 CM2670 X145B, Bulletin Number 5676913.

SPECIFICATIONS

Package Dimensions
34.0 x 29.0 x 23.0 in
Weight
5.67 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.