3402133
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,849.95 $2,201.44

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 3402133 Crankcase Breather is a component designed to facilitate the proper ventilation of the crankcase in heavy-duty trucks. Its role is significant in maintaining the engine’s operational efficiency and longevity. By allowing the release of gases and contaminants that accumulate within the crankcase, it helps in preserving the engine’s internal environment 4.

Basic Concepts of Crankcase Breathers

A crankcase breather is a device that allows gases to escape from the crankcase of an engine. As the engine operates, it produces gases and vapors that need to be expelled to prevent pressure build-up and contamination. Proper ventilation is vital for the engine’s health, as it prevents the accumulation of harmful substances that can lead to increased wear and reduced performance 1.

Purpose of the Cummins 3402133 Crankcase Breather

The Cummins 3402133 Crankcase Breather is engineered to manage the pressure and contaminants within the crankcase of a truck’s engine. It allows for the safe release of gases and vapors, while also filtering out particulate matter to prevent it from re-entering the engine. This process helps maintain a clean and stable environment within the crankcase, which is conducive to optimal engine performance 2.

Key Features

The Cummins 3402133 Crankcase Breather is constructed with durability and efficiency in mind. It is made from high-quality materials that can withstand the harsh conditions within an engine compartment. The breather includes a filtration system that captures contaminants, ensuring that only clean air is drawn back into the engine. Its design is tailored to fit seamlessly with Cummins engines, providing a reliable solution for crankcase ventilation 3.

Benefits

The use of the Cummins 3402133 Crankcase Breather offers several advantages. It contributes to improved engine performance by maintaining a clean crankcase environment. This can lead to reduced wear on engine components, as contaminants are effectively managed. Additionally, the breather supports the enhanced longevity of the engine by preventing the buildup of pressure and contaminants that can cause damage over time 4.

Installation and Compatibility

When installing the Cummins 3402133 Crankcase Breather, it is important to follow the manufacturer’s guidelines to ensure proper fit and function. Compatibility with the truck’s engine model is crucial for optimal performance. Careful attention to the installation process will help ensure that the breather operates as intended, providing the intended benefits to the engine 1.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3402133 Crankcase Breather is recommended to ensure its continued effective operation. This may include checking for any signs of wear or damage and ensuring that the filtration system is clean and functioning properly. Common issues may include blockages or leaks, which can be addressed by cleaning or replacing the breather as necessary 2.

Environmental and Safety Considerations

The Cummins 3402133 Crankcase Breather plays a role in reducing emissions by ensuring that gases and vapors are properly managed within the engine. This contributes to a cleaner operating environment. Additionally, by maintaining the engine’s internal environment, the breather helps in preventing issues that could lead to unsafe operating conditions, thus supporting overall engine safety 3.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions control technologies. With a history of innovation and a commitment to quality, Cummins serves customers in approximately 190 countries and territories, providing reliable and efficient power solutions for a variety of applications 4.

Compatibility of Cummins Crankcase Breather Part 3402133

The Cummins Crankcase Breather part number 3402133 is designed to fit seamlessly with various Cummins engines, ensuring optimal performance and longevity. Here is a detailed look at its compatibility with specific engine models:

K19 Engine Series

The K19 engine series, known for its robust design and efficiency, integrates the Cummins Crankcase Breather part number 3402133 effectively. This part is engineered to fit precisely within the K19 engine’s architecture, providing essential ventilation and pressure relief. The K19 engines are widely used in heavy-duty applications, and the breather part ensures that the crankcase remains free of excessive pressure and contaminants, which can lead to engine wear and reduced performance 1.

Grouping of Compatible Engines

The Cummins Crankcase Breather part number 3402133 is not limited to the K19 series alone. It is also compatible with other Cummins engine models that share similar design principles and ventilation requirements. This part is designed to fit within the broader Cummins engine family, ensuring that it can be used across multiple models without compromising on performance or functionality 2.

By ensuring that the crankcase breather part number 3402133 is correctly installed, engine operators can maintain the integrity of their engines, prevent potential damage, and ensure that the engines run smoothly and efficiently. This compatibility across various engine models underscores the versatility and reliability of Cummins components 3.

Role of Part 3402133 Crankcase Breather in Engine Systems

The part 3402133 Crankcase Breather is a component in maintaining the health and efficiency of engine systems. It is designed to manage the pressure within the crankcase by allowing gases to escape, which prevents the buildup of harmful contaminants and moisture 4.

Integration with Air Cleaner Plumbing

When integrated with the air cleaner plumbing, the Crankcase Breather ensures that the air entering the engine is clean and free from contaminants. This is achieved by directing the gases away from the crankcase and into the air intake system, where they are filtered by the air cleaner before entering the combustion chamber. This process not only enhances engine performance but also prolongs the lifespan of internal components by reducing the risk of contamination 1.

Compatibility with CCV System Retrofit Kit

In engines equipped with a Crankcase Ventilation (CCV) system retrofit kit, the Crankcase Breather plays a pivotal role in the overall ventilation strategy. It works in conjunction with the CCV system to maintain optimal pressure levels within the crankcase. The breather allows excess gases to be redirected back into the intake tract, where they are re-burned, reducing emissions and improving fuel efficiency. This synergy between the breather and the CCV system ensures that the engine operates within specified parameters, enhancing both performance and environmental compliance 2.

Interaction with Air Cleaner

The Crankcase Breather’s interaction with the air cleaner is fundamental to the engine’s filtration process. By venting crankcase gases into the air cleaner, the breather ensures that these gases are filtered before they enter the engine. This filtration step is vital for removing particulate matter and moisture, which could otherwise lead to engine wear and decreased performance. The breather’s design allows for a seamless integration with the air cleaner, ensuring that the filtration process is both effective and efficient 3.

Contribution to Overall Engine Health

In summary, the part 3402133 Crankcase Breather is a key component in the engine’s ventilation and filtration system. Its role in managing crankcase pressure, directing gases through the air cleaner plumbing, and working in tandem with the CCV system retrofit kit ensures that the engine remains clean, efficient, and compliant with emission standards. This component’s effective integration into the engine system not only enhances performance but also contributes to the overall health and longevity of the engine 4.

Conclusion

The Cummins 3402133 Crankcase Breather is a vital component for maintaining the health and efficiency of heavy-duty truck engines. By ensuring proper ventilation and filtration of the crankcase, it contributes to reduced wear, improved performance, and enhanced engine longevity. Proper installation, maintenance, and understanding of its role within the engine system are essential for maximizing the benefits of this Cummins part.


  1. Reif, Konrad Ed. Diesel Engine Management Systems and Components. Springer Vieweg, 2014.

  2. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  3. Giles, Tim. Automotive Engines Diagnosis Repair and Rebuilding. Cengage Learning, 2019.

  4. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
14.1 x 14.0 x 10.88 in
Weight
3.25 lbs
* 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.