4359673
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$329.95 $392.64

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

Introduction

The Cummins Part #4359673 Crankcase Breather is a vital component for the proper ventilation of the crankcase in commercial trucks. It maintains balanced pressure within the engine’s crankcase, which is essential for efficient engine operation. By releasing gases and vapors generated during engine operation, it preserves the integrity and performance of engine components 1.

Basic Concepts of Crankcase Breathers

A crankcase breather allows for the release of gases and vapors that accumulate within the engine’s crankcase. Without proper ventilation, increased pressure can lead to oil leaks, reduced engine efficiency, and potential damage to engine components. The breather ensures the crankcase operates within optimal pressure levels by allowing these gases to escape 2.

Purpose and Function

The Cummins Part #4359673 Crankcase Breather facilitates pressure equalization within the crankcase, contributing to the efficient operation of a truck’s engine. It releases harmful gases and vapors, preventing their buildup, which can lead to engine inefficiency and component wear. By maintaining a stable pressure environment, it supports the engine’s performance and longevity 3.

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials, which contribute to its performance and durability. Its construction ensures effective ventilation of the crankcase, while its materials are selected to withstand the harsh conditions within an engine environment. Unique characteristics may include filtration capabilities to prevent contaminants from entering the crankcase and a design that minimizes the risk of oil leakage.

Benefits

Utilizing the Cummins Part #4359673 Crankcase Breather offers several advantages, including improved engine performance due to optimal crankcase pressure. It also contributes to reduced wear and tear on engine components by preventing the buildup of harmful gases. Additionally, the breather enhances the overall reliability of the engine, ensuring consistent performance over time.

Installation and Maintenance

Proper installation of the Cummins Part #4359673 Crankcase Breather is crucial for its effective operation. It should be securely fitted to prevent leaks and ensure it functions as intended. Routine maintenance practices include checking for signs of wear or damage, ensuring it remains free from obstructions, and verifying that it is properly sealed. Regular inspection and maintenance can help in identifying potential issues before they lead to engine problems.

Troubleshooting Common Issues

Common issues with crankcase breathers may include leaks or blockages. To address these problems, it is important to conduct a thorough inspection of the breather and its connections. If a leak is detected, it may be necessary to replace the gasket or the breather itself. Blockages can often be resolved by cleaning the breather or, in some cases, replacing it if damage is extensive. Regular maintenance can help in preventing these issues.

Compatibility and Application

The Cummins Part #4359673 Crankcase Breather is designed for use with specific Cummins engine models and is suitable for various commercial truck applications. When considering its installation, it is important to verify compatibility with the engine model to ensure optimal performance. Specific installation considerations may include ensuring the breather is correctly oriented and securely fitted to prevent any issues with its operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a strong reputation within the commercial trucking industry. The company’s product offerings are designed to meet the demanding requirements of commercial applications, emphasizing reliability, performance, and customer satisfaction.

Cummins BREATHER,CRANKCASE (Part 4359673) Compatibility

The Cummins BREATHER,CRANKCASE part number 4359673 is designed to fit seamlessly with various engine models, ensuring optimal performance and reliability. This component is crucial for maintaining the integrity of the crankcase by allowing the escape of gases while preventing contaminants from entering.

Nissan ISV Engines

The Cummins BREATHER,CRANKCASE part 4359673 is specifically engineered to fit the Nissan ISV engines. These engines are known for their robust design and efficiency, making them a popular choice in various applications. The compatibility of this breather with the ISV engines ensures that the crankcase ventilation system operates smoothly, contributing to the overall longevity and performance of the engine.

Group Compatibility

In addition to the Nissan ISV engines, the BREATHER,CRANKCASE part 4359673 is also compatible with a range of other engine groups. This versatility makes it a valuable component for technicians and mechanics who work with multiple engine types. The breather’s design allows it to integrate effectively with different engine architectures, providing a consistent and reliable solution for crankcase ventilation across various platforms.

By ensuring that the Cummins BREATHER,CRANKCASE part 4359673 is correctly installed, technicians can maintain the health of the engine’s crankcase, preventing issues such as pressure buildup and contamination. This compatibility extends to a variety of engine models, making it a crucial part for those who service and maintain these engines.

Role of Part 4359673 BREATHER,CRANKCASE in Engine Systems

In the intricate arrangement of an engine system, the part 4359673 BREATHER,CRANKCASE assumes a significant function. This component is integral to the crankcase breather system, which is designed to manage the pressure within the crankcase.

As the engine operates, it generates gases and vapors that accumulate inside the crankcase. The 4359673 BREATHER,CRANKCASE facilitates the release of these byproducts, ensuring that the internal pressure remains balanced. This balance is essential for the optimal performance and longevity of the engine.

The breather system, incorporating the 4359673 BREATHER,CRANKCASE, works in conjunction with other components such as the pistons, crankshaft, and the oil sump. By allowing the escape of gases, it prevents the buildup of pressure that could lead to oil leaks or even engine damage. Additionally, it helps in maintaining the cleanliness of the crankcase by preventing the condensation of moisture and the accumulation of sludge.

Conclusion

In summary, the 4359673 BREATHER,CRANKCASE is a key element in the crankcase breather arrangement, contributing to the efficient and safe operation of the engine system. Its role in maintaining balanced pressure within the crankcase is crucial for the overall performance and longevity of the engine.


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

  2. Duffy, O. C., & Wright, G. (2016). Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems. Jones Bartlett Learning.

  3. Huzij, R., Spano, A., & Bennett, S. (2019). Modern Diesel Technology: Heavy Equipment Systems. Cengage Learning.

SPECIFICATIONS

Package Dimensions
9.5 x 7.25 x 8.5 in
Weight
2.4 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.