3642264
BREATHER,CRANKCASE
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,699.95 $4,402.94

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 3642264 by Cummins is a component designed to facilitate the proper ventilation of the crankcase in heavy-duty truck engines. Its role is significant in maintaining the engine’s operational efficiency and longevity. This breather system ensures that the crankcase environment remains balanced, which is vital for the overall performance of the engine.

Basic Concepts of Crankcase Breathers

A crankcase breather is a device that allows air to enter and exit the crankcase of an engine. Its function is to manage the pressure within the crankcase by releasing built-up gases and preventing the accumulation of contaminants. Proper ventilation is crucial for the engine’s health, as it helps to avoid excessive pressure that could lead to oil leaks and component wear 1.

Purpose of the 3642264 Crankcase Breather

This Cummins part is engineered to regulate the pressure within the crankcase of a truck engine. It effectively manages the release of gases produced during combustion, which can otherwise build up and cause pressure imbalances. Additionally, it filters out contaminants that may enter the crankcase, thus protecting internal engine components from damage and ensuring smooth operation.

Key Features

The 3642264 Crankcase Breather is constructed with high-quality materials that enhance its durability and performance. It features advanced filtration capabilities to trap particles and prevent them from circulating within the engine. The design of this breather allows for seamless integration with other engine components, ensuring a cohesive and efficient engine system.

Benefits

Utilizing the 3642264 offers several advantages. It contributes to improved engine performance by maintaining optimal crankcase pressure and cleanliness. This results in extended lifespan of engine components and enhances the overall reliability of the truck. The breather’s efficient design also aids in reducing the risk of oil contamination and component failure.

Installation and Compatibility

Proper installation of the 3642264 is key to ensuring it functions as intended within the engine system. It is important to follow manufacturer guidelines to achieve a correct fit and integration with the engine components. This ensures that the breather can effectively perform its role in the ventilation process.

Maintenance and Troubleshooting

Regular maintenance of the 3642264 is recommended to ensure its continued efficient operation. This includes periodic checks for blockages or damage to the filtration system. Common issues may include reduced airflow or contamination buildup, which can be addressed by cleaning or replacing the breather as necessary.

Environmental and Safety Considerations

The 3642264 contributes to reducing emissions by ensuring that the engine operates efficiently and cleanly. It aligns with industry standards and regulations aimed at minimizing the environmental impact of heavy-duty trucks. Additionally, by maintaining proper crankcase pressure and cleanliness, it enhances the safety and reliability of the engine system.

Cummins: A Brief Overview

Cummins Inc. is a leader in the diesel engine technology sector, with a rich history of innovation and quality. The company is renowned for its expertise in developing robust and efficient engine solutions for various applications, including heavy-duty trucks. Cummins’ commitment to advancing engine technology is evident in their product offerings, which are designed to meet the demanding requirements of modern transportation.

Cummins Crankcase Breather Part 3642264 in Engine Applications

The Cummins Crankcase Breather part 3642264 is a critical component in the engine’s ventilation system, ensuring that harmful gases are expelled from the crankcase while preventing contaminants from entering. This part is designed to maintain the integrity of the engine’s lubrication system by allowing pressure to escape and preventing the buildup of harmful gases.

Application in QSK78 Engines

The QSK78 engine series, known for its robust performance and reliability, incorporates the Cummins Crankcase Breather part 3642264 to manage crankcase ventilation effectively. This engine is widely used in various heavy-duty applications, including marine, rail, and power generation sectors. The breather ensures that the engine operates smoothly by maintaining optimal pressure levels within the crankcase.

Application in CM500 Engines

Similarly, the CM500 engine series benefits from the use of the Cummins Crankcase Breather part 3642264. This engine is designed for high-performance applications, often found in construction and agricultural equipment. The breather plays a vital role in preventing the accumulation of gases that could otherwise lead to engine damage. By facilitating the escape of these gases, the breather helps maintain the engine’s efficiency and longevity.

Grouping of Engines

Both the QSK78 and CM500 engines, despite their different applications, share the commonality of utilizing the Cummins Crankcase Breather part 3642264. This part is integral to the engine’s ventilation system, ensuring that the crankcase remains free of harmful gases and contaminants. The use of this breather across these engines underscores its importance in maintaining engine health and performance.

Role of Part 3642264 Crankcase Breather in Engine Systems

In the arrangement of an engine system, the crankcase breather, specifically part 3642264, plays a significant role in maintaining the engine’s efficiency and longevity. This component is designed to manage the pressure within the crankcase by allowing gases produced during combustion to escape 2.

As the engine operates, small amounts of gases, including unburnt fuel and combustion by-products, pass by the piston rings and enter the crankcase. If these gases were to accumulate, they could lead to increased pressure, which might cause oil leaks or damage to seals and gaskets. The crankcase breather mitigates this by providing a controlled release of these gases.

The breather is typically connected to the air intake system, allowing the expelled gases to be drawn back into the engine to be re-burned, thus reducing emissions and improving fuel efficiency. This recirculation also helps in keeping the crankcase clean by preventing the buildup of sludge and contaminants.

In summary, part 3642264 ensures that the crankcase maintains optimal pressure levels, supports the efficient operation of the engine, and contributes to reduced emissions by facilitating the re-burning of expelled gases.

Conclusion

The 3642264 Crankcase Breather by Cummins is a vital component in the maintenance and efficiency of heavy-duty truck engines. By regulating crankcase pressure and filtering out contaminants, it ensures the longevity and performance of the engine. Its role in reducing emissions and maintaining engine cleanliness underscores its importance in modern engine technology.


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

  2. Smil, Vaclav. The History and Impact of Diesel Engines and Gas Turbines. The MIT Press, 2010.

SPECIFICATIONS

Package Dimensions
27.0 x 24.5 x 29.0 in
Weight
4.122 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.