3636929
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,999.95 $3,569.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3636929 Crankcase Breather is a critical component designed for the proper ventilation of the crankcase in heavy-duty truck engines. This part ensures optimal engine performance and longevity by managing crankcase pressure and expelling contaminants.

Basic Concepts of Crankcase Breathers

A crankcase breather allows air to escape from the engine’s crankcase. During engine operation, gases and vapors are produced within the crankcase. Without proper ventilation, these byproducts can lead to increased pressure and contaminant accumulation. Effective crankcase ventilation is essential for maintaining engine health, preventing oil degradation, reducing wear on engine components, and ensuring efficient engine operation 1.

Purpose of the Cummins 3636929 Crankcase Breather

The Cummins 3636929 Crankcase Breather is designed to manage crankcase pressure by allowing the escape of gases and vapors produced during engine operation. It also expels contaminants that may accumulate within the crankcase. By performing these functions, the breather maintains a clean and pressurized environment within the crankcase, contributing to efficient engine performance 2.

Key Features

This Cummins part is constructed with durable materials to withstand harsh operating conditions. Its design includes advanced filtration capabilities to trap contaminants before they can re-enter the engine’s air intake system. Key features may include a robust housing to withstand high pressures and temperatures, and an efficient, easy-to-maintain filtration system.

Benefits of Using the Cummins 3636929 Crankcase Breather

Utilizing the Cummins 3636929 Crankcase Breather offers several advantages. It contributes to improved engine performance by maintaining optimal crankcase pressure and cleanliness. This leads to reduced wear on engine components, as contaminants are effectively managed. Additionally, the breather enhances engine longevity by creating an environment that is less conducive to oil degradation and component wear 3.

Installation Process

Installing the Cummins 3636929 Crankcase Breather involves several steps to ensure proper fit and function. Preparatory steps include cleaning the installation area and removing any old or damaged components. The installation process requires specific tools, and it is important to follow the manufacturer’s guidelines to ensure a secure and effective installation.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3636929 Crankcase Breather is recommended to ensure its continued effectiveness. This includes periodic checks for signs of wear or damage, and cleaning or replacing the filter element as necessary. Troubleshooting tips may involve checking for blockages or leaks, which can affect the breather’s performance. Addressing these issues promptly can help maintain optimal engine performance.

Common Issues and Solutions

Common problems associated with crankcase breathers include blockages, which can prevent proper ventilation, and leaks, which may allow contaminants to enter the engine’s air intake system. Solutions to these issues may involve cleaning the breather, replacing damaged components, or adjusting the installation to ensure a proper seal.

Compatibility and Applications

The Cummins 3636929 Crankcase Breather is designed for use in specific engines and truck models. Its compatibility ensures that it meets the ventilation needs of these applications, contributing to the efficient operation of the engine.

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 solutions. With a strong reputation in the automotive and heavy-duty truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and global presence underscore its leadership in the power industry.

Crankcase Breather Part 3636929 in Cummins Engines

The Crankcase Breather part 3636929, manufactured by Cummins, is a critical component in the engine systems of the QSK60 CM500 and QSK60 CM850 MCRS engines. This part plays a vital role in maintaining the engine’s operational efficiency and longevity by managing the pressure within the crankcase.

In the QSK60 CM500 engine, the Crankcase Breather part 3636929 is designed to fit seamlessly into the engine’s architecture, ensuring that it can effectively vent the gases produced during the combustion process. This helps in preventing the build-up of harmful pressure that could otherwise lead to engine damage.

Similarly, in the QSK60 CM850 MCRS engine, the Crankcase Breather part 3636929 is engineered to integrate with the engine’s design, providing the same essential function of pressure management. The MCRS variant, with its specific requirements, ensures that the breather part is tailored to meet the unique demands of this engine model.

Both engines benefit from the breather’s ability to maintain a balance between the internal and external pressures, ensuring that the engine operates smoothly and efficiently. This part is crucial in preventing oil contamination and ensuring that the engine’s crankcase remains at a safe pressure level.

Integration of Part 3636929 Crankcase Breather in Engine Systems

Part 3636929 Crankcase Breather is designed to work in harmony with several key engine components to maintain optimal engine performance and longevity.

Breather

The breather is an essential component that allows for the release of gases from the crankcase. When the engine operates, it generates blow-by gases—a mixture of air, fuel, and combustion byproducts—that accumulate in the crankcase. The breather facilitates the venting of these gases, preventing pressure build-up that could lead to oil leaks or engine damage.

Crankcase

The crankcase is the lower part of the engine block that houses the crankshaft. It is a sealed environment designed to contain oil for lubricating moving parts. However, the crankcase is not entirely airtight due to the natural leakage of gases past the piston rings. This is where the crankcase breather system, including part 3636929, becomes vital.

Crankcase Breather

The crankcase breather, specifically part 3636929, is engineered to manage the flow of gases from the crankcase. It typically includes a series of filters and valves that allow gases to escape while preventing contaminants from entering the crankcase. This system ensures that the oil remains clean and effective for lubrication, while also maintaining a stable pressure within the crankcase.

Conclusion

In summary, part 3636929 Crankcase Breather plays a significant role in the efficient operation of the breather and crankcase components. By facilitating the controlled release of gases, it helps maintain a clean and pressurized environment within the crankcase, contributing to the overall reliability and performance of the engine.


  1. Stiesch, Gunnar. Modeling Engine Spray and Combustion Processes. Springer Verlag, 2003.

  2. Reif, Konrad. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

  3. Goodnight, Nicholas, and Kirk VanGelder. Automotive Braking Systems CDX Master Automotive Technician Series. Jones Bartlett Learning, 2019.

SPECIFICATIONS

Package Dimensions
42.2 x 29.4 x 30.4 in
Weight
7.872 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.