5679573
BREATHER,CRANKCASE
Cummins®

This article provides an overview of the BREATHER,CRANKCASE (Part #5679573) manufactured by Cummins. It covers the basic concepts, purpose, key features, benefits, and maintenance suggestions for this component, aimed at engineers, mechanics, truck drivers, and fleet operators.

Basic Concepts

A crankcase breather is a component that allows air to escape from the crankcase of an internal combustion engine. It helps manage the pressure and release any gases or vapors that accumulate within the crankcase during engine operation ¹.

Purpose and Function

The BREATHER,CRANKCASE (Part #5679573) by Cummins is designed to facilitate the release of gases and vapors from the crankcase. This helps maintain optimal pressure levels within the crankcase, ensuring efficient engine operation and preventing the buildup of harmful contaminants ².

Key Features

• Constructed from durable materials to withstand high temperatures and pressures.
• Designed to fit specific Cummins engine models, ensuring compatibility and efficient performance.
• Features a filtration system to trap contaminants and prevent them from re-entering the engine.
• Easy to install and maintain, with clear guidelines provided by Cummins.

Benefits

• Helps maintain engine efficiency by managing crankcase pressure.
• Reduces the risk of engine damage due to pressure buildup.
• Enhances engine longevity by preventing the accumulation of harmful contaminants.
• Contributes to overall engine performance and reliability.

Troubleshooting and Maintenance

Regular inspection and maintenance of the BREATHER,CRANKCASE are recommended to ensure optimal performance. Signs of wear or damage should be addressed promptly. Cleaning or replacing the breather as per the manufacturer’s guidelines can help maintain engine efficiency and longevity ³.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a commitment to innovation and quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships.

Compatibility of Cummins BREATHER,CRANKCASE (Part 5679573)

The Cummins BREATHER,CRANKCASE part number 5679573 is designed to fit a variety of Cummins engines, ensuring optimal performance and reliability. This part is integral to the engine’s crankcase ventilation system, which helps maintain pressure balance and prevents oil contamination.

Compatible Engines

• ISX15 CM2250 SN
• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

Grouping by Engine Series

The part 5679573 is compatible with the following engine series:

• ISX15 CM2250 SN: This engine is part of the ISX15 series, known for its robust performance and efficiency.
• X15 CM2350 X116B, X15 CM2350 X123B: These engines belong to the X15 CM2350 series, which offers a balance of power and reliability.
• X15 CM2450 X134B: This engine is part of the X15 CM2450 series, recognized for its advanced features and performance capabilities.

Each of these engines benefits from the BREATHER,CRANKCASE part, ensuring that the crankcase ventilation system operates efficiently, which is crucial for maintaining engine health and longevity.

Understanding the Role of Part 5679573 BREATHER,CRANKCASE in Engine Systems

In the realm of engine systems, the part 5679573 BREATHER,CRANKCASE is an integral component within the crankcase breather arrangement. This component is designed to manage the pressure within the crankcase, ensuring that the internal environment remains balanced and conducive to optimal engine performance.

Integration with Crankcase Breather Arrangement

The crankcase breather arrangement is a system designed to vent gases that accumulate within the crankcase. These gases, which include unburnt fuel, combustion by-products, and moisture, are expelled to prevent pressure build-up that could lead to leaks or reduced engine efficiency.

Part 5679573 fits into this arrangement by providing a controlled pathway for these gases to escape. It is typically connected to the crankcase and routed to a location where the expelled gases can be safely released or recirculated back into the intake system. This recirculation is particularly important in modern engines, as it helps to reduce emissions and improve fuel efficiency.

Interaction with Other Engine Components

1. Crankcase Ventilation System: The breather works in conjunction with the crankcase ventilation system, which may include PCV (Positive Crankcase Ventilation) valves. The PCV valve regulates the flow of gases from the crankcase to the intake manifold, ensuring that the pressure remains within acceptable limits.

2. Intake Manifold: When the gases are recirculated, they enter the intake manifold, where they mix with the fresh air-fuel mixture. This process not only helps in reducing emissions but also ensures that any unburnt fuel is utilized, contributing to better combustion efficiency.

3. Oil Separation System: In some advanced engine designs, the breather is part of an oil separation system that captures and returns oil mist or droplets to the sump, preventing oil loss and maintaining lubrication integrity.

4. Emission Control Systems: The proper functioning of the breather is also linked to the overall emission control strategy of the engine. By managing crankcase pressures and recirculating gases, it plays a role in meeting regulatory emission standards.

Conclusion

In summary, part 5679573 BREATHER,CRANKCASE is a key element in maintaining the health and efficiency of engine systems. Its role in the crankcase breather arrangement ensures that the engine operates within optimal parameters, contributing to both performance and environmental compliance.