5348959
Breather Tube
Cummins®

The Cummins 5348959 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 health and performance of the truck’s engine.

Basic Concepts and Functionality

A breather tube is a component that allows air to enter and exit an engine’s crankcase. It operates on the principle of pressure equalization, ensuring that the internal pressure within the crankcase remains balanced with the external atmospheric pressure. This balance is crucial for the proper functioning of the engine, as it prevents the buildup of excessive pressure that could lead to leaks or damage. The design of a breather tube typically includes features that manage moisture and contaminants, ensuring that only clean air enters the engine system ¹.

Purpose of the Cummins 5348959 Breather Tube

This Cummins part plays a role in the truck’s engine system by regulating pressure within the crankcase, managing moisture that may accumulate, and preventing contamination from entering the engine. By maintaining a stable pressure environment, it helps ensure the engine operates efficiently. The tube’s design also incorporates features to filter out moisture and contaminants, protecting the engine’s internal components from damage and wear ².

Key Features

The Cummins 5348959 Breather Tube is constructed from materials that offer durability and resistance to the harsh conditions within a truck’s engine compartment. Its design includes elements that enhance its efficiency, such as a moisture trap and a filter to block contaminants. These features contribute to the tube’s ability to perform its functions effectively over time. Additionally, the tube may have unique attributes that set it apart from other breather tubes, such as a specific configuration that optimizes airflow or a material composition that offers superior resistance to corrosion ³.

Benefits

Incorporating the Cummins 5348959 Breather Tube into a truck’s engine system can lead to improved engine performance, as it helps maintain optimal operating conditions within the crankcase. This can result in smoother engine operation and potentially increased fuel efficiency. Furthermore, by protecting the engine from moisture and contaminants, the tube contributes to an extended lifespan for engine components and enhances the overall reliability of the system.

Installation and Integration

Proper installation of the Cummins 5348959 Breather Tube is crucial for its effective operation. This process involves ensuring that the tube is correctly positioned within the engine system, connected securely, and that all seals are intact to prevent leaks. Tools required for installation may include wrenches for tightening connections and a torque wrench for ensuring proper tension on fasteners. Following manufacturer guidelines for installation will help ensure that the tube functions as intended.

Troubleshooting and Maintenance

Common issues with breather tubes can include blockages due to contaminants or moisture buildup, which can impair their function. Regular inspection and cleaning of the tube can help prevent these issues. Diagnostic procedures may involve checking for signs of moisture or contamination within the crankcase and ensuring that the tube is securely installed and free from damage. Maintenance practices, such as periodic replacement of filters or the tube itself, can ensure the longevity and efficiency of the Cummins 5348959 Breather Tube.

Cummins Overview

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 spanning over a century, Cummins has established itself as a key player in the commercial truck industry, offering products that are known for their reliability, performance, and innovation. The company’s extensive product range serves various markets, from on-highway to off-highway applications, demonstrating its commitment to meeting the diverse needs of its customers.

Cummins Breather Tube 5348959 Compatibility

The Cummins Breather Tube part number 5348959 is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This breather tube is an essential component that facilitates the release of gases from the engine crankcase, preventing pressure build-up and maintaining engine health.

Compatible Engines

The breather tube 5348959 is compatible with the following Cummins engine models:

• F2.8 CM2620 F135B
• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129

F2.8 CM2620 F135B

This engine model benefits from the breather tube’s ability to manage crankcase ventilation effectively, ensuring that the engine operates smoothly and efficiently.

ISF2.8 CM2220 F117 and ISF2.8 CM2220 F129

Both these engine models share similar design features, making the breather tube 5348959 a perfect fit. The tube’s design ensures that it can handle the specific ventilation needs of these engines, contributing to their overall performance and longevity.

By integrating the breather tube 5348959 into these engines, users can expect enhanced engine performance, reduced wear and tear, and improved operational efficiency.

Role of Part 5348959 Breather Tube in Engine Systems

The part 5348959 Breather Tube is an essential component in managing the crankcase ventilation system within an engine. Its primary function is to allow the release of gases that accumulate within the crankcase, ensuring that the internal pressure remains balanced. This is particularly important as the engine operates, as the movement of the pistons and the rotation of the crankshaft generate gases that need to be expelled to prevent buildup.

When integrated with the crankcase breather system, the Breather Tube facilitates the venting of these gases, which often contain moisture and contaminants, away from the engine’s internal components. This process helps in maintaining the cleanliness of the crankcase and reduces the likelihood of sludge formation, which can adversely affect engine performance over time.

Additionally, the Breather Tube plays a role in directing these vented gases to a location where they can be safely managed. In many engine designs, the gases are routed back into the intake system, where they are mixed with the incoming air-fuel mixture and subsequently burned during combustion. This not only helps in reducing emissions but also ensures that any unburned hydrocarbons are effectively utilized.

In summary, the part 5348959 Breather Tube is a key element in the efficient operation of the crankcase ventilation system, contributing to the overall health and performance of the engine by managing internal pressures and facilitating the safe disposal of crankcase gases.

Conclusion

The Cummins 5348959 Breather Tube is a vital component in the maintenance and operation of commercial truck engines. By ensuring proper pressure equalization, managing moisture, and preventing contamination, it plays a crucial role in the engine’s efficiency and longevity. Proper installation, regular maintenance, and understanding its compatibility with specific engine models are essential for maximizing the benefits of this part.