3821470
Breather Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$23.95 $28.50

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 3821470 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 significance can help in maintaining the engine’s health and ensuring optimal performance.

Basic Concepts of Breather Tubes

Breather tubes are components found in engine systems that allow for the release of pressure and the removal of moisture from the engine crankcase. They play a role in maintaining engine health by preventing the buildup of pressure and contaminants, which can lead to engine wear and reduced performance. By facilitating the escape of gases and moisture, breather tubes help to keep the engine environment clean and stable 1.

Purpose of the 3821470 Breather Tube

The Cummins 3821470 Breather Tube is designed to perform pressure equalization and moisture removal from the engine crankcase. It allows for the release of gases that build up during engine operation, which helps to maintain a stable pressure within the crankcase. Additionally, it aids in the removal of moisture, which can accumulate due to condensation or from the combustion process. This function is vital for preserving the integrity of engine components and ensuring smooth operation.

Key Features

The 3821470 Breather Tube is constructed from durable materials that are resistant to the harsh conditions within an engine environment. Its design includes elements that enhance performance, such as a precise fit and efficient venting capabilities. Unique attributes of this breather tube may include advanced filtration to trap contaminants or a design that minimizes the risk of leaks, setting it apart from other breather tubes on the market.

Benefits

The use of the 3821470 Breather Tube can lead to improved engine performance by ensuring that the crankcase remains at an optimal pressure and is free from excess moisture. This can contribute to extended component lifespan, as the engine operates in a cleaner and more stable environment. Additionally, the breather tube enhances the reliability of the engine under various operating conditions, which is particularly important for commercial trucks that often face demanding workloads.

Installation and Integration

Proper installation of the 3821470 Breather Tube is important for its effective function within the engine system. This may involve ensuring a secure fit and correct alignment with other components. Preparations for installation might include cleaning the area where the breather tube will be mounted and checking for any obstructions that could impede its operation. Careful integration is key to maintaining the engine’s performance and longevity.

Troubleshooting and Maintenance

Common issues with breather tubes can include blockages or leaks, which may affect engine performance. Regular maintenance practices, such as inspection for signs of wear or damage, can help to ensure optimal performance. Indications that the breather tube may need replacement include a noticeable decrease in engine efficiency or the presence of contaminants in the crankcase, which could suggest a failure in the breather tube’s filtration or venting capabilities.

Cummins Overview

Cummins Inc. is a well-established company with a significant presence in the commercial truck industry. With a history of innovation and quality, Cummins offers a wide range of products designed to meet the needs of various applications. The company’s reputation for reliability and performance is reflected in its product line, which includes components like the 3821470 Breather Tube that are engineered to enhance the operation of commercial trucks.

Compatibility of Cummins Breather Tube Part 3821470

The Cummins Breather Tube part number 3821470 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 Cummins engines:

  • L10 MECHANICAL

The breather tube is a critical component in the engine’s ventilation system, allowing for the release of gases and preventing pressure build-up. Its design ensures that it integrates smoothly with the specified engines, maintaining the integrity of the engine’s sealing and operational efficiency.

For the L10 MECHANICAL engine, the breather tube is meticulously crafted to align with the engine’s architecture, ensuring a precise fit and effective function. This compatibility is crucial for maintaining the engine’s performance and longevity, as it helps in managing the internal pressures and preventing contamination.

By ensuring that the breather tube fits correctly with these engines, it supports the overall health and efficiency of the engine, making it a vital part of the engine’s maintenance and operational strategy.

Role of Part 3821470 Breather Tube in Engine Systems

The part 3821470 Breather Tube is an essential component in managing the ventilation of the crankcase within various engine systems. Its primary function is to allow the escape of gases that accumulate inside the crankcase during engine operation. These gases, which include unburned fuel, combustion byproducts, and moisture, need to be efficiently vented to maintain optimal engine performance and longevity.

In the context of the crankcase, the Breather Tube facilitates the release of pressure that builds up as the engine runs. This is particularly important in preventing the formation of sludge and the contamination of engine oil, which can occur if these gases are not properly expelled. The tube connects to the crankcase and often leads to a breather box or directly to the atmosphere, depending on the engine’s design and the specific requirements of the ventilation system.

Moreover, the Breather Tube interacts with other components such as the Positive Crankcase Ventilation (PCV) system. In engines equipped with a PCV system, the Breather Tube may route gases back into the intake manifold, where they are re-burned in the combustion process. This not only helps in reducing emissions but also ensures that the crankcase remains at a stable pressure, enhancing engine efficiency and reliability 2.

Overall, the integration of the part 3821470 Breather Tube within engine systems is designed to support the efficient operation of the crankcase, contributing to the overall performance and durability of the engine.

Conclusion

The Cummins 3821470 Breather Tube plays a significant role in maintaining the health and efficiency of commercial truck engines. By facilitating the release of pressure and removal of moisture from the engine crankcase, this part ensures that the engine operates in a clean and stable environment. Proper installation, regular maintenance, and understanding its compatibility with specific engine configurations are key to maximizing the benefits of this Cummins part. Its integration within engine systems supports efficient crankcase ventilation, contributing to the overall performance and durability of the engine.


  1. Genta, Giancarlo, and Lorenzo Morello. The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer, 2019.

  2. Boger, Thorsten, and Willard Cutler. Reducing Particulate Emissions in Gasoline Engines. SAE International, 2018.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
8.5 x 8.5 x 0.375 in
Weight
0.22 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.