4963971
Breather Tube
Cummins®

The Cummins 4963971 Breather Tube is a component designed for use in commercial trucks. It serves a specific function within the engine system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and operation is key to maintaining the performance of commercial trucks.

Basic Concepts of Breather Tubes

A breather tube is a component that allows air to enter and exit an engine system, facilitating pressure equalization and preventing the buildup of moisture and contaminants. It operates on the principle of maintaining a balanced pressure within the engine’s crankcase, which is crucial for the proper functioning of the engine. By allowing air to circulate, it helps in expelling moisture and contaminants that could otherwise accumulate and cause damage ¹.

Purpose of the 4963971 Breather Tube

The Cummins 4963971 Breather Tube is engineered to play a role in the engine system by managing pressure and moisture within the crankcase. It allows for the equalization of pressure, which is necessary for the efficient operation of the engine. Additionally, it aids in the removal of moisture, which can accumulate during engine operation and lead to corrosion and other forms of damage if not properly managed ².

Key Features

The 4963971 Breather Tube is constructed from durable materials that are resistant to the harsh conditions within an engine environment. Its design includes features that enhance its performance, such as a filtration system to trap contaminants and a structure that ensures easy installation and maintenance. These attributes contribute to the tube’s effectiveness in performing its intended functions ³.

Benefits

The use of the 4963971 Breather Tube in an engine system can lead to improved performance, as it helps maintain optimal pressure and moisture levels within the crankcase. This can result in enhanced engine longevity and reliability, as the component plays a role in preventing damage from pressure imbalances and moisture accumulation.

Installation Process

Installing the 4963971 Breather Tube requires careful attention to ensure it is properly fitted and functions as intended. The process involves preparing the installation site, aligning the tube with the engine’s breather port, and securing it in place. Tools such as wrenches and sealants may be required to complete the installation.

Maintenance Tips

Regular maintenance of the 4963971 Breather Tube is important to ensure its continued effective operation. This includes periodic inspections for signs of wear or damage, and cleaning the tube to remove any accumulated contaminants. Adhering to recommended inspection intervals and cleaning procedures can help maintain the tube’s performance.

Troubleshooting Common Issues

Common issues with breather tubes, such as blockages or leaks, can affect engine performance. Identifying these problems early and taking appropriate troubleshooting steps, such as cleaning the tube or replacing damaged components, can help maintain the efficiency of the engine system.

Compatibility and Applications

The 4963971 Breather Tube is designed for use in specific engine types and truck models. Its compatibility ensures that it fits and functions correctly within these systems, contributing to the overall performance and reliability of the vehicle.

Safety Considerations

When handling and maintaining the 4963971 Breather Tube, it is important to observe safety guidelines to prevent injury and ensure the component’s proper function. This includes wearing appropriate protective equipment and following procedures to avoid exposure to harmful substances or conditions.

Environmental Impact

The efficient operation of the 4963971 Breather Tube contributes to reduced emissions by ensuring the engine system operates within optimal parameters. This can lead to lower fuel consumption and decreased environmental impact, aligning with efforts to promote sustainable transportation solutions.

About Cummins

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to innovation and quality. With a rich history of developing reliable and efficient engine components, Cummins continues to play a significant role in advancing the technology and performance of commercial vehicles.

Cummins Breather Tube 4963971 Compatibility

The Cummins Breather Tube part number 4963971 is designed to fit seamlessly within a range of Cummins engines, ensuring optimal performance and reliability. This breather tube is specifically engineered to integrate with the following engine models:

• QSK19 CM2350 K144G
• QSK19 CM850 MCRS

The breather tube plays a role in maintaining the integrity of the engine’s crankcase ventilation system. It allows for the safe release of gases that accumulate during the engine’s operation, preventing pressure build-up that could lead to leaks or damage.

For the QSK19 CM2350 K144G and QSK19 CM850 MCRS engines, the breather tube is a component that ensures the crankcase remains properly ventilated. This is important for maintaining engine efficiency and longevity, as it helps to expel contaminants and moisture that can otherwise degrade engine performance over time.

By ensuring that the breather tube is correctly installed and functioning, engine operators can maintain the health of their engines, avoiding potential issues that could arise from a malfunctioning ventilation system.

Role of Part 4963971 Breather Tube in Engine Systems

The 4963971 Breather Tube is a component in the arrangement of various engine systems, particularly in managing the crankcase breather system. This tube facilitates the release of pressure and contaminants from the crankcase, ensuring that the internal environment remains optimal for engine performance.

In the crankcase breather system, the 4963971 Breather Tube works in conjunction with the crankcase ventilation system to expel gases that accumulate during engine operation. These gases, which include unburned fuel, moisture, and other byproducts, are routed through the breather tube to prevent buildup, which could lead to increased pressure and potential damage to engine components.

The breather tube is designed to direct these expelled gases to a safe location, often back into the intake system where they can be re-burned, thus promoting efficiency and reducing emissions. This recirculation is a key aspect of modern engine management, enhancing both performance and environmental compliance.

Additionally, the 4963971 Breather Tube plays a role in maintaining the integrity of the crankcase by preventing the accumulation of sludge and other deposits. By ensuring a consistent flow of clean air into the crankcase and the efficient removal of contaminants, the breather tube contributes to the longevity and reliability of the engine.

Conclusion

In summary, the 4963971 Breather Tube is a vital component in the overall engine system, facilitating the proper function of the crankcase breather and contributing to the engine’s efficiency, performance, and durability.