4936665
Breather Baffle
Cummins®

The Cummins Breather Baffle, part number 4936665, is a component designed to enhance the operation of heavy-duty trucks. Its role is to manage air and fluid dynamics within the truck’s system, contributing to the overall efficiency and performance of the vehicle. Cummins, a renowned manufacturer in the automotive industry, produces this part with a focus on quality and reliability.

Function and Operation

This Cummins part operates by regulating airflow and fluid levels within the truck’s components. It is positioned to allow for necessary ventilation while preventing the ingress of contaminants. The breather baffle helps maintain the optimal environment for the truck’s engine and other systems by managing pressure and temperature dynamics ¹.

Key Features

The Breather Baffle 4936665 is constructed from durable materials that are resistant to the harsh conditions found in heavy-duty truck environments. Its design includes specific elements that enhance its ability to perform under stress, such as reinforced edges and a secure fitting mechanism. These features contribute to the part’s longevity and effectiveness in demanding applications ².

Benefits of Using Breather Baffle 4936665

Incorporating this part into a truck’s system can lead to improved engine performance, as it helps maintain a clean and stable environment for the engine components. It also reduces the need for frequent maintenance by preventing the buildup of contaminants that can lead to wear and tear. Furthermore, the enhanced durability of the breather baffle contributes to the overall longevity of the truck ³.

Installation and Compatibility

Proper installation of the Breather Baffle 4936665 is vital to ensure it functions as intended. It is designed to fit specific truck models and engine types, and following the manufacturer’s guidelines will help achieve the correct fitment and operation. Attention to detail during installation can prevent issues and ensure the component works effectively within the truck’s system.

Maintenance and Troubleshooting

Regular maintenance of the Breather Baffle 4936665 is recommended to ensure it continues to operate effectively. This includes periodic inspections for signs of wear or damage and cleaning as necessary. Common issues with breather baffles may include blockages or leaks, which can often be resolved through simple troubleshooting steps. Replacing the breather baffle at recommended intervals can prevent more significant problems down the line.

Performance Impact

The Breather Baffle 4936665 can influence the overall performance of a truck by contributing to fuel efficiency, engine health, and emission reductions. Its role in maintaining a clean and stable environment within the engine compartment allows for more efficient operation and can lead to a reduction in emissions, aligning with environmental standards.

Cummins Overview

Cummins Inc. is a prominent player in the heavy-duty truck industry, known for its wide range of products and commitment to quality. The company has a history of innovation and excellence in manufacturing automotive components, and its reputation is built on delivering reliable and high-performance parts to the market.

Customer Reviews and Feedback

Customer experiences with the Breather Baffle 4936665 vary, with many praising its durability and performance in real-world applications. Feedback often highlights the part’s ability to withstand the rigors of heavy-duty use and its contribution to maintaining engine health. Some criticisms may arise regarding installation complexity or maintenance requirements, but these are typically outweighed by the positive aspects reported by users.

Regulatory Compliance and Standards

The Breather Baffle 4936665 meets specific regulatory standards and compliance requirements, ensuring it is safe and performs reliably in heavy-duty applications. Adherence to these standards is a testament to Cummins’ commitment to producing components that not only meet but often exceed industry expectations for quality and performance.

Compatibility

The Breather Baffle 4936665 is designed to fit seamlessly within the engine systems of various Cummins engines. This part plays a role in maintaining the integrity of the engine’s crankcase ventilation system by preventing the escape of harmful gases and contaminants while allowing necessary airflow.

Engine Compatibility

• 4B3.9 Series: The 4936665 Breather Baffle is specifically engineered to integrate with the 4B3.9 engine series. This engine series is known for its robust performance and reliability, making it a popular choice in various industrial and commercial applications. The breather baffle ensures that the engine’s crankcase ventilation system operates efficiently, thereby extending the engine’s lifespan and maintaining optimal performance.

Installation and Functionality

The installation of the Breather Baffle 4936665 is straightforward and requires no specialized tools. It is designed to fit precisely within the engine’s ventilation system, ensuring a secure and effective seal. This part plays a role in preventing the backflow of contaminants into the engine, which can lead to increased wear and reduced efficiency. By maintaining a clean and efficient ventilation system, the breather baffle contributes to the overall reliability and performance of the engine.

Role of Part 4936665 Breather Baffle in Engine Systems

The part 4936665 Breather Baffle is an integral component in maintaining the efficiency and reliability of engine systems. It is strategically positioned to interact with several key components, ensuring optimal performance and longevity of the engine.

Interaction with the Engine Cover

The breather baffle works in conjunction with the engine cover to regulate the airflow within the engine compartment. By directing the flow of air, it helps in reducing the accumulation of moisture and contaminants that could otherwise lead to corrosion or decreased engine performance. The baffle ensures that the air entering the engine cover is clean and dry, which is essential for the smooth operation of internal components.

Coordination with the Cam Follower

In engines where cam followers are utilized, the breather baffle plays a significant role in maintaining a stable environment. Cam followers are subject to high levels of stress and require a clean, debris-free atmosphere to function effectively. The baffle assists in preventing the ingress of particulate matter that could cause premature wear or failure of the cam follower. This results in enhanced durability and reliability of the cam follower, contributing to the overall efficiency of the valve train system.

Overall Impact on Engine Performance

By effectively managing airflow and preventing contamination, the breather baffle ensures that critical engine components, such as the cover and cam follower, operate within optimal conditions. This not only enhances the performance of these individual parts but also contributes to the longevity and reliability of the entire engine system.

Conclusion

The Cummins Breather Baffle 4936665 is a vital component in the maintenance and performance of heavy-duty truck engines. Its design and functionality contribute to the efficiency, reliability, and longevity of the engine system. Proper installation, regular maintenance, and adherence to regulatory standards ensure that this part performs optimally, providing significant benefits to the overall operation of the vehicle.