4019485
O-Ring Seal
Cummins®

The Cummins 4019485 O-Ring Seal is a critical component in heavy-duty truck maintenance and operation, designed to ensure the integrity of fluid and gas pathways within the vehicle ¹. This part plays a significant role in preventing leaks and maintaining system efficiency, thereby contributing to the overall performance and longevity of the truck.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket made from a circular section of elastomer, designed to create a seal between two or more parts ². When compressed, the O-Ring deforms to fill the space and block the passage of fluids or gases. Materials commonly used for O-Ring Seals include nitrile rubber, silicone, and fluorocarbon, each offering unique properties such as temperature resistance, chemical compatibility, and durability.

Purpose of the Cummins 4019485 O-Ring Seal

The Cummins 4019485 O-Ring Seal ensures the integrity of seals in various truck systems or components where fluid or gas sealing is required ³. By preventing leaks and maintaining pressure, this part contributes to the efficient operation of these systems.

Key Features

This Cummins part is characterized by its durable elastomer composition, which provides excellent sealing properties ⁴. It is designed to resist a wide range of temperatures and chemicals, ensuring reliable performance in demanding environments.

Benefits

Using the Cummins 4019485 O-Ring Seal offers several benefits, including improved sealing efficiency, longevity, and resistance to wear and tear . Its compatibility with specific truck models or engine types ensures optimal performance and reliability.

Installation Considerations

Proper installation of the Cummins 4019485 O-Ring Seal requires preparing the sealing surface to ensure a clean and smooth fit . Handling the O-Ring carefully to avoid damage and ensuring a correct fit are vital for its effective function and reliable sealing ability.

Troubleshooting Common Issues

Common problems with O-Ring Seals, such as leaks or failure, can often be traced back to installation issues or environmental factors . Troubleshooting steps may include inspecting the sealing surface for damage, checking the O-Ring for signs of wear or deformation, and ensuring that the system operates within the recommended temperature and pressure ranges.

Maintenance Tips

Regular maintenance of the Cummins 4019485 O-Ring Seal is important to ensure its continued effectiveness . This includes regular inspection intervals to check for signs of wear, such as cracking or deformation. If signs of wear are detected, considering replacement of the O-Ring Seal is advisable to maintain system integrity and prevent potential leaks.

Cummins 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 history of innovation and commitment to quality, Cummins plays a significant role in the automotive and heavy-duty truck industry. Its focus on quality and innovation in manufacturing truck components ensures that products like the Cummins 4019485 O-Ring Seal meet the high standards required for reliable and efficient operation in demanding environments.

Compatibility of Cummins O-Ring Seal Part 4019485

The Cummins O-Ring Seal part number 4019485 is designed to fit seamlessly within various engine configurations . This seal is crucial for maintaining the integrity of the engine’s sealing system, ensuring that there are no leaks and that the engine operates efficiently.

For the K19 engine, the O-Ring Seal part 4019485 is engineered to fit precisely in areas where it needs to create a tight seal. This includes but is not limited to, the cylinder head, valve cover, and other critical junctures where fluid or gas leakage could compromise engine performance.

In the broader Cummins engine family, the O-Ring Seal part 4019485 is compatible with a range of engine models. This compatibility extends to various applications, ensuring that the seal can be used across different engine types without requiring modifications.

The design of this O-Ring Seal ensures it can withstand the high temperatures and pressures typical of engine environments, providing a reliable seal that enhances engine longevity and performance.

Role of Part 4019485 O-Ring Seal in Engine Systems

The 4019485 O-Ring Seal is a critical component in various engine systems, ensuring the integrity and efficiency of several critical functions .

• Filter System: The O-ring seal creates a tight seal between the filter housing and the engine block, preventing any bypass of unfiltered contaminants and ensuring that the lubricating oil remains clean and effective in reducing friction and wear on engine components.
• Lubricating Oil System: The O-ring seal is utilized at various connection points to maintain the pressure integrity of the oil flow, ensuring consistent lubrication to moving parts, which is vital for the longevity and performance of the engine.
• Inlet Manifold: The O-ring seal secures the connections between the manifold and the engine block or other components, maintaining the correct air-fuel mixture and preventing any leaks that could affect engine performance.
• Plumbing Applications: The O-ring seal is used in various fluid transfer systems within the engine, ensuring that coolant, oil, and other fluids are transferred efficiently without leakage, which is essential for maintaining engine temperature and lubrication.
• Thermostat Housing: The O-ring seal maintains a secure connection between the housing and the engine block, ensuring that the thermostat can accurately regulate the engine’s temperature by controlling the flow of coolant.
• Water Transfer Connection: The O-ring seal ensures a leak-free connection between the water pump and the engine block or other coolant pathways, which is essential for efficient coolant circulation, helping in regulating engine temperature and preventing overheating.

Conclusion

The Cummins 4019485 O-Ring Seal is a vital component in the maintenance and operation of heavy-duty trucks, ensuring the integrity of fluid and gas pathways within the vehicle. Its durable design, compatibility with various engine models, and critical role in engine systems make it an essential part for maintaining system efficiency, preventing leaks, and contributing to the overall performance and longevity of the truck.