4967700
Breather Tube
Cummins®

Introduction

The Cummins 4967700 Breather Tube is designed to facilitate the proper ventilation of the engine crankcase in heavy-duty trucks. This part ensures that the engine operates within optimal conditions by releasing pressure and contaminants from the crankcase ².

Basic Concepts of Breather Tubes

A breather tube is an integral part of an engine’s ventilation system. It allows air to enter and exit the crankcase, managing pressure and removing contaminants such as moisture and sludge. This operation is based on the principle of pressure equalization, preventing over-pressurization that could lead to leaks or damage ¹.

Purpose of the 4967700 Breather Tube

This Cummins part maintains a balanced pressure within the engine’s crankcase and facilitates the removal of contaminants, preserving engine health and performance. By ensuring a clean and pressure-balanced crankcase, the breather tube contributes to the overall efficiency and reliability of the engine ².

Key Features

The 4967700 is characterized by its durable material composition, designed to withstand harsh engine conditions. Its robust construction ensures longevity and reliable operation. Additionally, the breather tube is engineered for seamless integration within the engine system, ensuring easy installation and compatibility with Cummins engines ¹.

Benefits

The benefits of the 4967700 include improved engine efficiency through effective crankcase ventilation. It reduces the need for frequent maintenance by preventing contaminant buildup, which can lead to engine wear. Its durable construction enhances the overall durability of the engine system, contributing to a longer service life ².

Installation Process

Installing the 4967700 involves specific steps to ensure proper fitting. The process requires specific tools and careful attention to detail. Following the manufacturer’s guidelines for installation ensures that the breather tube is correctly positioned and secured, which is vital for its effective operation ¹.

Troubleshooting Common Issues

Common problems with breather tubes can include blockages or leaks, arising from contaminants within the crankcase or physical damage to the tube. Troubleshooting steps may involve inspecting the breather tube for any signs of damage or obstruction and cleaning or replacing the tube as necessary to resolve these issues ¹.

Maintenance Tips

To ensure the longevity and optimal performance of the 4967700, regular maintenance is recommended. This includes inspecting the breather tube for any signs of wear or damage and cleaning it to remove any accumulated contaminants. Following these maintenance practices can help in preventing issues and ensuring that the breather tube continues to function effectively ².

Role in Engine Health

The 4967700 contributes to overall engine health by managing pressure and contaminants within the crankcase. By maintaining a balanced pressure and removing contaminants, it helps in preventing engine wear and ensuring that the engine operates efficiently. This role is vital in preserving the engine’s performance and longevity ².

Environmental Impact

The efficient operation of the 4967700 can contribute to reduced emissions and better environmental performance of the truck. By ensuring that the engine operates within optimal conditions, it helps in minimizing the release of harmful emissions, which is beneficial for the environment ².

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the automotive industry, providing reliable and efficient products for various applications ².

Cummins Breather Tube 4967700 Compatibility

The Cummins Breather Tube part number 4967700 is designed to fit seamlessly with several Cummins engine models. This part is crucial for ensuring the proper ventilation and pressure management within the engine’s crankcase.

QSK19 Engines

The QSK19 engine series benefits from the 4967700 Breather Tube, which is engineered to maintain optimal crankcase pressure. This is particularly important for the QSK19, which is known for its robust performance and reliability in various industrial applications.

CM2350 Engines

Similarly, the CM2350 engine series incorporates the 4967700 Breather Tube to manage crankcase pressure effectively. This engine is widely used in marine and power generation applications, where maintaining engine health is critical.

K105 Engines

The K105 engine also utilizes the 4967700 Breather Tube to ensure that the crankcase pressure is regulated. This engine is often found in heavy-duty applications, where durability and performance are paramount.

By integrating the 4967700 Breather Tube, these engines can operate more efficiently, reducing the risk of pressure-related issues and extending the overall lifespan of the engine.

Role of Part 4967700 Breather Tube in Engine Systems

The 4967700 Breather Tube is an essential component in the arrangement of the crankcase breather system. It facilitates the release of gases that accumulate within the crankcase during engine operation. This is achieved by connecting to the crankcase and directing the expelled gases to a safe location, typically the intake manifold or the atmosphere, depending on the engine’s design.

In the crankcase breather system, the 4967700 Breather Tube works in conjunction with other components such as the breather valve and the PCV (Positive Crankcase Ventilation) valve. It ensures that the crankcase maintains a stable pressure, which is vital for the proper functioning of the engine. By allowing the release of gases, it prevents the buildup of pressure that could lead to oil leaks or damage to seals and gaskets.

Additionally, the 4967700 Breather Tube plays a part in the overall emission control strategy of the engine. By routing the crankcase gases back into the intake manifold, it allows these gases to be re-burned in the combustion chamber, reducing the emission of hydrocarbons into the atmosphere. This not only enhances engine efficiency but also contributes to environmental protection by minimizing pollutant release.

Conclusion

In summary, the 4967700 Breather Tube is a key element in the crankcase breather arrangement, ensuring the engine operates smoothly and efficiently while adhering to emission standards. Its role in maintaining engine health, reducing emissions, and ensuring efficient operation makes it a vital component in Cummins engine systems.