4961271
Breather Support
Cummins®

The 4961271 Breather Support is a component manufactured by Cummins, a well-established name in the automotive industry, particularly known for its heavy-duty truck engines. This Cummins part is integral to the maintenance and operation of heavy-duty trucks, ensuring the engine and fuel systems function efficiently and reliably.

Function and Operation of Breather Support

A breather support is designed to facilitate the venting of gases from various components within a truck’s system. It operates by allowing air to enter and exit specific areas, such as the fuel tank or engine crankcase, to maintain pressure equilibrium. This process is vital for preventing the buildup of harmful gases and contaminants, which could otherwise compromise the integrity of the engine and fuel systems ¹.

Purpose of the 4961271 Breather Support

The 4961271 Breather Support plays a specific role in the operation of a truck by ensuring that the engine and fuel systems remain free from excessive pressure and contaminants. Its function contributes to maintaining engine performance and longevity by allowing for the safe release of gases and preventing the accumulation of moisture and debris within critical components ².

Key Features

The 4961271 Breather Support is characterized by several key features that enhance its functionality. These include a durable material composition designed to withstand the harsh conditions of heavy-duty truck operation, a design that ensures efficient gas venting, and unique attributes that may include filtration capabilities to trap contaminants before they enter the system ³.

Benefits

Utilizing the 4961271 Breather Support offers several benefits. It contributes to improved engine efficiency by ensuring that the engine operates under optimal conditions, free from the negative effects of pressure buildup and contamination. Additionally, it reduces maintenance needs by preventing issues that could arise from neglected venting systems and enhances the durability of the engine and fuel systems by protecting them from damage caused by contaminants and excessive pressure ⁴.

Installation Process

Proper installation of the 4961271 Breather Support involves several steps to ensure it functions correctly within the truck’s system. The process requires specific tools and adherence to safety precautions to avoid damage to the component or the system it serves. Detailed instructions should be followed to secure the breather support in place, connect it to the appropriate vents, and ensure all connections are tight and secure.

Troubleshooting Common Issues

Common problems that may arise with the 4961271 Breather Support include blockages, leaks, or damage to the component. Troubleshooting these issues involves inspecting the breather support for signs of wear or obstruction, checking connections for tightness and integrity, and replacing or repairing any damaged parts to restore proper function.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the 4961271 Breather Support. This includes periodic inspections for signs of wear or damage, cleaning or replacing filters if equipped, and ensuring all connections remain secure and free from leaks. Adhering to these maintenance tips can help prevent issues and extend the life of the component.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history in the automotive industry, Cummins is renowned for its high-quality products and innovative solutions in the heavy-duty truck sector. The company’s commitment to excellence and customer satisfaction has established it as a trusted name in the industry.

Breather Support Part 4961271 in Cummins Engines

The Breather Support part 4961271, manufactured by Cummins, is a critical component in the ISM CM876 and ISM11 CM876 SN engines. This part plays a vital role in the engine’s breather system, ensuring that the crankcase ventilation is managed effectively.

In the ISM CM876 engine, the Breather Support part 4961271 is designed to maintain the integrity of the crankcase ventilation system. It supports the breather hoses and connections, preventing leaks and ensuring that the engine operates within optimal parameters. The part’s design allows for flexibility and durability, accommodating the engine’s movements and vibrations during operation.

Similarly, in the ISM11 CM876 SN engine, the Breather Support part 4961271 serves the same essential function. It provides structural support to the breather system, ensuring that the crankcase ventilation is maintained without any disruptions. This part is engineered to withstand the high temperatures and pressures within the engine, contributing to the overall reliability and performance of the engine.

Both engines benefit from the use of this part, as it helps in maintaining the air-to-fuel ratio and prevents the accumulation of harmful gases within the crankcase. This not only enhances the engine’s efficiency but also extends its lifespan by reducing the wear and tear on critical components.

Role of Part 4961271 Breather Support in Engine Systems

The part 4961271 Breather Support is an integral component in the effective functioning of the breather and crankcase systems within an engine.

In the breather system, the Breather Support ensures that the breather valve operates within optimal parameters. It provides the necessary structural support to the breather valve, allowing it to efficiently release excess pressure and contaminants from the engine’s crankcase. This is essential for maintaining a clean and pressurized environment within the crankcase, which in turn enhances engine performance and longevity.

Within the crankcase system, the Breather Support plays a significant role in preserving the integrity of the crankcase ventilation. By supporting the breather valve, it aids in the removal of blow-by gases—a mixture of air, fuel, and combustion byproducts—that accumulate in the crankcase. This not only helps in reducing the overall pressure within the crankcase but also prevents the dilution of engine oil, thereby ensuring the oil’s effectiveness in lubricating and cooling the engine components.

Moreover, the Breather Support contributes to the overall stability of the engine’s ventilation system. It ensures that the breather valve remains securely in place, minimizing the risk of vibrations or movements that could lead to inefficiencies or failures in the breather system. This stability is particularly important in high-performance or high-stress engine environments where precision and reliability are paramount.

Conclusion

In summary, the part 4961271 Breather Support is a key element in the breather and crankcase systems, providing essential support and stability to ensure these systems function efficiently and effectively. Its role in maintaining engine performance, reducing maintenance needs, and enhancing durability makes it a critical component in the operation of heavy-duty trucks.