4014479
O-Ring Seal
Cummins®

The Cummins 4014479 O-Ring Seal is a critical component designed to ensure the integrity of fluid systems within commercial trucks. Its role is to provide a reliable seal in various applications, contributing to the efficient operation of the vehicle. Understanding its purpose and significance is essential for maintaining the performance and reliability of commercial trucks.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket made from a circular section of elastomer with a round cross-section. It functions by being seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface ¹. O-Ring Seals are widely used in mechanical systems to prevent leakage of fluids and gases, and to protect against the ingress of contaminants.

Purpose of the 4014479 O-Ring Seal in Truck Operation

This Cummins part plays a specific role in the operation of commercial trucks by ensuring the sealing of fluid pathways within the engine or other systems. It is typically placed in areas where dynamic or static sealing is required to maintain system pressure and prevent leaks. Its function is integral to the proper operation of the truck’s fluid systems, including fuel, oil, and coolant circuits.

Key Features of the 4014479 O-Ring Seal

The 4014479 O-Ring Seal is characterized by its durable construction and precise design. It is made from high-quality elastomer materials that offer resistance to a range of operating conditions, including temperature variations and exposure to different fluids ². The seal’s design ensures it can accommodate slight misalignments and maintain an effective seal under pressure.

Benefits of Using the 4014479 O-Ring Seal

Utilizing this part provides several advantages. It offers improved sealing efficiency, which helps in maintaining system integrity and performance. The seal’s longevity is enhanced by its resistance to wear and degradation, reducing the need for frequent replacements. Additionally, it is designed to withstand various operating conditions, ensuring reliable performance in demanding environments.

Installation and Replacement Guidelines

To install or replace the 4014479 O-Ring Seal, it is important to follow a systematic approach. Begin by ensuring the sealing surfaces are clean and free of debris. Lubricate the O-Ring with a compatible lubricant to facilitate installation and reduce the risk of damage. Carefully place the O-Ring into the groove, taking care not to twist or kink it. Once installed, check for proper seating and ensure there is no excessive compression that could lead to premature failure ³.

Troubleshooting Common Issues

Common issues with O-Ring Seals include leaks, which can be caused by improper installation, degradation of the seal material, or excessive pressure. To diagnose these issues, inspect the seal for signs of wear, damage, or improper seating. Addressing these problems may involve replacing the O-Ring Seal, ensuring correct installation procedures are followed, or investigating the cause of excessive pressure within the system.

Maintenance Tips

To ensure the optimal performance and longevity of the 4014479 O-Ring Seal, regular maintenance is recommended. This includes periodic inspection of the seal for signs of wear or damage, and replacement as necessary. Additionally, maintaining clean sealing surfaces and ensuring that the system operates within specified pressure and temperature limits will contribute to the seal’s durability.

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 emission solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and history of excellence make it a trusted name in the field of commercial vehicle components.

Cummins O-Ring Seal 4014479 Compatibility with Various Engine Models

The Cummins O-Ring Seal part number 4014479 is designed to fit seamlessly within a variety of engine models, ensuring optimal sealing and performance. This O-Ring Seal is engineered to meet the stringent requirements of Cummins engines, providing a reliable barrier against leaks and contamination.

Compatibility with Specific Engine Models

• QSV81G, QSV91-G4 CM558/CM700 V102, QSV91G, QSW/QSV82, QSW27, QSW36, QSW73: The O-Ring Seal 4014479 is compatible with these engines, ensuring that it fits perfectly within their respective sealing applications. This compatibility is crucial for maintaining the integrity of the engine’s sealing system, which is vital for performance and longevity.

Grouping of Compatible Engines

• QSV Series: The O-Ring Seal 4014479 is specifically designed to fit within the QSV series engines, including the QSV81G, QSV91-G4 CM558/CM700 V102, and QSV91G models. This ensures that the seal provides a tight fit, preventing any leaks that could compromise engine efficiency.

• QSW Series: For the QSW series engines, such as the QSW/QSV82, QSW27, QSW36, and QSW73, the O-Ring Seal 4014479 is engineered to provide a precise fit. This ensures that the seal effectively prevents leaks and maintains the engine’s operational integrity.

By ensuring compatibility with these specific engine models, the O-Ring Seal 4014479 plays a critical role in maintaining the sealing integrity of Cummins engines, contributing to their overall performance and reliability.

Role of Part 4014479 O-Ring Seal in Engine Systems

The 4014479 O-Ring Seal is integral to maintaining the integrity and efficiency of various engine components. In the block and cylinder, this seal ensures that there are no leaks between mating surfaces, which is essential for maintaining compression and preventing the escape of fluids or gases.

Within the cylinder assembly block and cylinder assembly liner, the O-Ring Seal plays a significant role in sealing the interfaces where different materials meet, thus ensuring that the combustion process is contained effectively. This containment is vital for the overall performance and longevity of the engine.

In the cylinder liner kit and liner kit, the seal is used to prevent any seepage between the liner and the block, which could lead to contamination of the lubricating oil and reduced engine efficiency.

For the piston and engine, the O-Ring Seal is employed in areas where piston rings might not provide a complete seal, such as in the piston and liner assembly, to ensure that combustion gases do not escape into areas where they could cause damage or reduce efficiency.

In pump applications, particularly those involving fluid dynamics within the engine, the O-Ring Seal is used to maintain pressure and prevent leaks, ensuring that the pump operates efficiently and that the fluid being pumped remains clean and uncontaminated.

Lastly, in relation to lubricating oil, the O-Ring Seal is crucial in maintaining the purity of the oil by preventing contamination from combustion gases or other fluids, thereby ensuring that the oil continues to lubricate effectively and protect engine components from wear and tear.

Conclusion

The Cummins 4014479 O-Ring Seal is a vital component in the maintenance and operation of commercial truck engines. Its role in sealing fluid pathways, preventing leaks, and ensuring system integrity cannot be overstated. Proper installation, regular maintenance, and understanding its compatibility with various engine models are key to maximizing the performance and reliability of commercial trucks.