3634236
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,099.95 $6,068.94

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

The Crankcase Breather, specifically Part #3634236 by Cummins, is a component designed to maintain the health and efficiency of heavy-duty truck engines. It plays a role in the engine’s ventilation system, ensuring that the crankcase operates under optimal conditions. This breather helps in managing pressure, removing moisture, and excluding contaminants, all of which are vital for the engine’s longevity and performance 1.

Basic Concepts of Crankcase Breather

Crankcase breathers operate on the principle of allowing air to flow in and out of the crankcase, which is necessary to accommodate the changes in volume caused by the movement of the pistons. Proper ventilation is crucial to prevent the buildup of pressure and the accumulation of moisture and contaminants within the crankcase. Inadequate breather performance can lead to increased wear on engine components, reduced efficiency, and potential engine damage 2.

Purpose and Function of Part #3634236

Part #3634236 is engineered to facilitate pressure equalization within the crankcase, ensuring that the internal pressure remains consistent with the atmospheric pressure. This breather also aids in the removal of moisture and the exclusion of contaminants, which can otherwise lead to sludge formation and increased friction within the engine. By maintaining a clean and dry environment within the crankcase, this component contributes to the smooth operation and durability of the engine 3.

Key Features

The Crankcase Breather Part #3634236 is constructed with high-quality materials that ensure durability and reliable performance. Its design includes features that enhance its ability to filter out contaminants while allowing for efficient air flow. The breather is also engineered to withstand the harsh conditions typical of heavy-duty truck operations, ensuring long-term reliability.

Benefits of Using Crankcase Breather Part #3634236

Utilizing the Crankcase Breather Part #3634236 offers several advantages, including improved engine efficiency through better ventilation and reduced wear on engine components due to the exclusion of contaminants. This leads to prolonged component lifespan and enhanced overall engine performance. These benefits contribute significantly to the reliability and longevity of heavy-duty trucks, making this component a valuable addition to any engine system.

Troubleshooting and Maintenance Tips

To ensure the optimal functionality of the Crankcase Breather Part #3634236, it is important to be aware of common issues such as blockages or damage to the breather. Regular inspection and cleaning can help identify and resolve these issues before they lead to more significant problems. Additionally, following manufacturer guidelines for maintenance and replacement can help prevent breather-related issues and maintain engine health.

Cummins: Manufacturer Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its high-quality engine components and innovative solutions. With a strong reputation for reliability and performance, Cummins plays a significant role in providing trusted and advanced components for heavy-duty truck applications. Their commitment to quality and innovation ensures that their products, like the Crankcase Breather Part #3634236, meet the demanding requirements of modern engines.

Cummins BREATHER,CRANKCASE Part 3634236 Compatibility

The Cummins BREATHER,CRANKCASE part number 3634236 is designed to fit seamlessly within the engine systems of various Cummins engines. This component plays a role in maintaining the integrity of the crankcase by allowing the release of gases and preventing pressure build-up.

K38 Engine Series

The K38 engine series, known for its robust performance and reliability, is one of the primary beneficiaries of the BREATHER,CRANKCASE part 3634236. This part is engineered to fit perfectly within the K38 engine’s crankcase system, ensuring optimal ventilation and pressure management. The K38 engines are widely used in heavy-duty applications, and the BREATHER,CRANKCASE part is essential for maintaining the engine’s efficiency and longevity.

Grouping of Compatible Engines

While the K38 engine series is a primary focus, it is important to note that the BREATHER,CRANKCASE part 3634236 may also be compatible with other Cummins engines within similar performance and design parameters. Cummins has a reputation for ensuring that their parts are versatile and can fit across various models, provided they share common design elements and specifications.

Importance of Proper Fitment

Ensuring that the BREATHER,CRANKCASE part fits correctly within the engine is paramount. Proper fitment guarantees that the crankcase can effectively manage gases and pressures, which is critical for the engine’s overall health and performance. Cummins’ engineering precision ensures that this part aligns perfectly with the specified engine models, providing a reliable solution for maintaining crankcase pressure and ventilation.

Application in Heavy-Duty Environments

The BREATHER,CRANKCASE part 3634236 is particularly vital in heavy-duty environments where engines are subjected to rigorous conditions. Its design allows it to withstand high temperatures and pressures, making it an ideal choice for applications that demand durability and reliability. Cummins’ commitment to quality ensures that this part meets the stringent demands of heavy-duty operations.

Role of Part 3634236 BREATHER,CRANKCASE in Engine Systems

The Part 3634236 Breather,Crankcase is a component in maintaining the efficiency and longevity of engine systems. Its primary function is to regulate the pressure within the crankcase, ensuring that the internal environment remains balanced and conducive to optimal engine performance.

Integration with Engine Components

Arrangement

In the engine’s arrangement, the Breather,Crankcase is strategically positioned to interact with various components. It is typically connected to the crankcase and the air intake system. This placement allows it to effectively vent any excess pressure or contaminants that may accumulate within the crankcase. By doing so, it helps maintain a stable pressure environment, which is vital for the proper functioning of the pistons and other moving parts.

Oil Fill

The Breather,Crankcase also plays a role in the oil fill system. As the engine operates, it produces blow-by gases—a mixture of air, fuel, and combustion byproducts—that can enter the crankcase. The breather allows these gases to escape, preventing them from contaminating the oil. Clean oil is essential for lubricating engine components, reducing friction, and preventing wear. By ensuring that the oil remains uncontaminated, the breather contributes to the overall efficiency and durability of the engine.

Crankcase Breather

The Crankcase Breather itself is a subsystem that relies heavily on the functionality of Part 3634236. This subsystem is designed to manage the ventilation of the crankcase. The breather allows fresh air to enter the crankcase while expelling old air and contaminants. This continuous airflow helps to keep the crankcase clean and prevents the buildup of pressure, which could otherwise lead to oil leaks or other mechanical issues.

Conclusion

In summary, the Part 3634236 Breather,Crankcase is a vital component that ensures the crankcase maintains a balanced pressure and clean environment. Its integration with the engine’s arrangement, oil fill system, and crankcase breather subsystem underscores its importance in the overall performance and reliability of the engine.


  1. Robinson, A., & Livesey, A. (2006). The Repair of Vehicle Bodies Fifth Edition. Elsevier.

  2. Goodnight, N., & VanGelder, K. (2019). Automotive Braking Systems CDX Master Automotive Technician Series. Jones Bartlett Learning.

  3. Smil, V. (2010). The History and Impact of Diesel Engines and Gas Turbines. The MIT Press.

SPECIFICATIONS

Package Dimensions
36.0 x 19.0 x 14.0 in
Weight
2.35 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.