5346129
Breather Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$45.95 $54.68

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 5346129 Breather Tube is a component designed for use in heavy-duty trucks. It serves a specific function within the engine system, contributing to the overall operation and efficiency of the vehicle. Understanding its purpose and significance is key to maintaining engine health and ensuring optimal performance.

Basic Concepts of Breather Tubes

A breather tube is a component that allows air to enter and exit an engine’s crankcase. Its operation is based on the principle of pressure equalization. As the engine operates, it produces gases and vapors that need to be vented to prevent pressure buildup within the crankcase. The breather tube facilitates this process, ensuring that the engine operates within safe pressure limits and maintains efficient performance 1.

Purpose of the Cummins 5346129 Breather Tube

This Cummins part plays a role in the engine system by allowing the release of gases and vapors from the crankcase. This function helps in maintaining a stable pressure environment within the engine, which is important for the longevity and performance of the engine. By venting these byproducts, the breather tube aids in reducing the risk of oil contamination and ensures that the engine components are not subjected to undue stress from pressure buildup.

Key Features

The 5346129 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 robust connection mechanism that ensures a secure fit within the engine system. Additionally, the tube is engineered to withstand high temperatures and pressures, ensuring reliable operation over time.

Benefits

The use of the 5346129 offers several advantages. It contributes to improved engine longevity by maintaining a stable crankcase pressure, which reduces wear on engine components. Enhanced performance is another benefit, as the efficient venting of gases and vapors ensures that the engine operates smoothly. Furthermore, the breather tube simplifies maintenance by providing a straightforward solution for crankcase ventilation.

Installation Process

Installing the 5346129 involves several steps. First, ensure that the engine is cool and the vehicle is parked on a level surface. Identify the correct location for the breather tube within the engine system. Using the appropriate tools, connect the breather tube to the crankcase and secure it in place. It is important to follow the manufacturer’s guidelines to ensure a proper fit and function.

Troubleshooting Common Issues

Common issues with breather tubes may include blockages or leaks. Blockages can occur due to the accumulation of debris within the tube, while leaks may result from a loose connection or damage to the tube. To address these issues, inspect the breather tube regularly for signs of obstruction or damage. Cleaning the tube or replacing it if necessary can resolve most problems.

Maintenance Tips

Regular maintenance of the 5346129 is important for ensuring its continued efficient operation. This includes periodic inspection for signs of wear or damage, cleaning the tube to remove any accumulated debris, and checking the connections for tightness. If the breather tube shows significant signs of wear or if performance issues arise, it may be time to consider replacement.

Compatibility and Application

The 5346129 is designed for use in specific engine models and truck applications. It is important to verify compatibility with the engine and vehicle model to ensure proper function and performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, particularly in the heavy-duty truck sector, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes a variety of components and systems designed to enhance the performance and reliability of vehicles.

Breather Tube Part 5346129 in Cummins Engines

The Breather Tube part 5346129, manufactured by Cummins, is a component in the engine systems of the F3.8 CM2350 F128C and QSF3.8 CM2350 F107 engines. This part plays a role in maintaining the engine’s operational integrity by facilitating the release of gases and vapors that accumulate within the engine’s crankcase.

In the F3.8 CM2350 F128C engine, the breather tube ensures that any excess pressure or contaminants are expelled, preventing damage to the engine’s internal components. Similarly, in the QSF3.8 CM2350 F107 engine, the breather tube is important for maintaining the proper balance of air and gases within the crankcase, contributing to the engine’s overall efficiency and longevity.

Both engines benefit from the breather tube’s ability to manage the flow of gases, ensuring that the engine operates smoothly and reliably. This part is integral to the maintenance of these engines, as it helps to prevent issues such as oil contamination and pressure build-up, which can lead to engine failure if not properly managed.

Understanding the Role of Part 5346129 Breather Tube in Engine Systems

The part 5346129 Breather Tube is a component in the efficient operation of engine systems, particularly in relation to the crankcase breather and plumbing systems.

Integration with Crankcase Breather System

In the crankcase breather system, the breather tube plays a role in managing the pressure within the crankcase. As the engine operates, gases and vapors are produced within the crankcase. The breather tube facilitates the release of these byproducts, ensuring that the pressure inside the crankcase remains balanced. This balance is vital for the proper functioning of the engine, as excessive pressure can lead to oil leaks and other mechanical issues 2.

Contribution to Plumbing System

The breather tube also interfaces with the engine’s plumbing system. It is responsible for directing the expelled gases and vapors away from the engine compartment. This is achieved through a network of hoses and pipes that are part of the engine’s plumbing. The efficient routing of these byproducts is important for maintaining a clean and safe engine environment. It prevents the accumulation of harmful substances that could otherwise corrode engine components or impair their performance.

Overall Functionality

By effectively connecting the crankcase breather and the plumbing system, the breather tube ensures that the engine operates in an optimal environment. It aids in the maintenance of engine health by preventing the buildup of pressure and the contamination of engine components. This component is a testament to the intricate design of engine systems, where each part, regardless of its size, contributes to the overall efficiency and longevity of the engine.

Conclusion

The Cummins 5346129 Breather Tube is a vital component in the maintenance and operation of heavy-duty truck engines. Its role in managing crankcase pressure and venting gases and vapors is crucial for engine longevity and performance. Regular maintenance and proper installation are key to ensuring the efficient operation of this part. Understanding its function and significance can greatly contribute to the overall health and efficiency of the engine system.


  1. Reif, Konrad. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

  2. Williams, Daniel. Generalized Vehicle Dynamics. SAE International, 2022.

SPECIFICATIONS

Package Dimensions
3.0 x 3.0 x 60.0 in
Weight
0.32 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.