4063766
Breather Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$179.95 $214.14

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 4063766 Breather Tube is a component designed for use in commercial trucks. Its purpose is to facilitate the proper ventilation of the engine’s crankcase. This breather tube plays a role in maintaining the engine’s operational efficiency by allowing for pressure equalization and preventing the accumulation of moisture within the crankcase 1.

Basic Concepts of Breather Tubes

Breather tubes are components found in engine systems that allow for the release of pressure and the escape of contaminants from the crankcase. They function by providing a pathway for gases and moisture to exit the engine, which helps in maintaining optimal engine performance and longevity 2. The presence of a breather tube is important for engine health as it helps prevent the buildup of pressure and contaminants that could otherwise lead to engine damage.

Purpose of the Cummins 4063766 Breather Tube

This Cummins part is specifically designed to play a role in the truck’s engine system by equalizing pressure within the crankcase and preventing moisture accumulation. By allowing gases to escape, it helps maintain a stable environment within the engine, which is conducive to efficient operation. Additionally, by preventing moisture buildup, it helps protect the engine from corrosion and other forms of damage that can be caused by water contamination 3.

Key Features

The Cummins 4063766 is constructed from materials that are resistant to the harsh conditions within an engine environment. Its design includes elements that enhance its durability and effectiveness. Unique attributes of this breather tube may include a specific shape or fitting that ensures a secure connection to the engine, as well as features that maximize airflow and contaminant removal.

Benefits of Using the Cummins 4063766 Breather Tube

Installing this part can lead to improved engine performance due to better pressure management and reduced moisture within the crankcase. It contributes to the longevity of the engine by helping to prevent damage from pressure buildup and corrosion. Reliability is also enhanced, as the breather tube helps maintain consistent engine operation under various conditions.

Installation Process

To install the Cummins 4063766, one should follow a step-by-step process that may include disconnecting the old breather tube, cleaning the connection points, and securely attaching the new tube. Tools and additional parts may be required, depending on the specific truck and engine configuration. It is important to ensure that the installation is performed correctly to guarantee the breather tube’s effectiveness.

Maintenance and Troubleshooting

Maintaining the Cummins 4063766 involves regular inspection for signs of wear or damage, and cleaning or replacing it as necessary. Common issues that may arise include blockages or leaks, which can be addressed by cleaning the tube or tightening connections. Troubleshooting steps should be taken to ensure the breather tube continues to function as intended.

Cummins: A Brief Overview

Cummins Inc. is a company with a long-standing reputation in the commercial truck industry. It offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins is known for its commitment to quality and innovation, providing solutions that meet the demanding requirements of commercial trucking operations.

Cummins Breather Tube 4063766 Compatibility

The Cummins Breather Tube part number 4063766 is designed to fit seamlessly within a variety of engine configurations, ensuring optimal performance and reliability. This part is engineered to work with the following engines:

  • 6C8.3

The breather tube is a critical component in the engine’s ventilation system, facilitating the release of gases and preventing pressure build-up within the engine’s crankcase. Its compatibility with the 6C8.3 engine underscores its versatility and importance in maintaining engine health.

By ensuring a proper fit with the 6C8.3 engine, the breather tube helps in maintaining the engine’s efficiency and longevity, making it an essential part for maintenance and repair.

Role of Part 4063766 Breather Tube in Engine Systems

The breather tube, specifically part 4063766, is an essential component in maintaining the health and efficiency of the engine system. It is strategically integrated into the crankcase ventilation system to manage the pressure and release of gases.

In the crankcase, as the engine operates, a mixture of air, fuel vapors, and combustion byproducts accumulates. The breather tube facilitates the venting of these gases, preventing a buildup of pressure that could lead to oil leaks, reduced engine performance, or even damage to engine components.

The breather tube is connected to the crankcase and typically routes the vented gases to a location where they can be safely released or recirculated. In many engine designs, the breather tube is linked to the intake system, allowing the vented gases to be drawn back into the combustion process. This not only helps in pressure management but also contributes to emissions control by ensuring that unburned hydrocarbons are combusted rather than released into the atmosphere.

Furthermore, the breather tube plays a part in maintaining the cleanliness of the crankcase. By allowing fresh air to enter the crankcase as gases are vented, it helps to prevent the accumulation of contaminants that could otherwise lead to sludge formation and degrade the quality of the engine oil.

Conclusion

In summary, the breather tube, part 4063766, is a vital component in the engine’s ventilation system, ensuring optimal pressure levels, efficient emissions management, and the maintenance of a clean operating environment within the crankcase.


  1. Asef, P., Padmanaban, S., & Lapthorn, A. (2022). Modern Automotive Electrical Systems. Wiley.

  2. Thompson, R. (2019). Automotive Maintenance: Light Repair. Cengage Learning.

  3. Sully, F. K. (1998). Motor Vehicle Mechanics Textbook, Fifth Edition. Heinemann Professional Publishing.

SPECIFICATIONS

Package Dimensions
17.5 x 1.0 x 1.0 in
Weight
0.65 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.