3863488
O Ring Seal
Cummins®

The 3863488 O Ring Seal, a component manufactured by Cummins, is designed for use in various applications within commercial trucks, ensuring the integrity of seals in critical systems.

Basic Concepts of O Ring Seals

O Ring Seals are circular rings, typically made from elastomers, that create seals in mechanical systems by being compressed within a groove, forming a barrier that prevents the leakage of fluids or gases ¹. Their design allows them to conform to the surfaces they seal against, providing a reliable barrier in a wide range of applications.

Purpose of the 3863488 O Ring Seal in Truck Operations

This Cummins part is utilized in areas where fluid or gas sealing is required to maintain system efficiency and prevent leaks. This includes applications in fuel systems, hydraulic systems, and other areas where maintaining a seal is important for the proper functioning of the truck ².

Key Features of the 3863488 O Ring Seal

This part is characterized by its precise design and material composition. It is manufactured to specific dimensions to ensure a proper fit within the designated grooves. The material used is chosen for its ability to withstand the environmental conditions and pressures encountered in truck operations, providing durability and reliable performance ³.

Benefits of Using the 3863488 O Ring Seal

Utilizing this O Ring Seal offers several advantages. Its design contributes to improved sealing efficiency, reducing the risk of leaks. The material composition ensures durability, allowing it to withstand various environmental factors. Additionally, its reliable performance supports the overall efficiency and safety of the truck’s systems.

Installation and Maintenance Guidelines

Proper installation of this part involves preparing the sealing surfaces to ensure a clean and smooth fit. Following torque specifications during installation is important to achieve the correct compression without damaging the seal. Regular maintenance, including inspection for wear and proper lubrication, can help ensure the longevity and optimal performance of the seal.

Troubleshooting Common Issues

Common issues with O Ring Seals, such as leaks or failure, can often be traced back to installation errors or environmental factors. Troubleshooting steps may include inspecting the seal for damage, ensuring proper groove fit, and checking for compatibility with system fluids. Addressing these issues promptly can help maintain the integrity of the seal and the systems it supports.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products and strong reputation for quality and reliability. With a history of innovation and commitment to customer satisfaction, Cummins continues to be a trusted name in the industry, providing components that contribute to the efficient and safe operation of commercial trucks.

Cummins Engine Compatibility with O Ring Seal Part 3863488

This Cummins part is a crucial component designed to ensure a tight seal in various engine applications. This seal is integral to maintaining the integrity of the engine’s systems by preventing leaks and ensuring that the engine operates efficiently. Below is a detailed description of how this part fits with the specified Cummins engines.

QSB Series Engines

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB6.7 M CM2250
• QSB7 CM2880 B117

This seal is compatible with the QSB series engines, which include models such as the QSB4.5, QSB5.9, and QSB6.7. It is designed to fit precisely in these engines, ensuring that it provides a reliable barrier against oil, coolant, and other fluids. The seal’s placement is critical in maintaining the engine’s performance and longevity.

QSC Series Engines

• QSC8.3 CM850 (CM2850)

The QSC8.3 CM850 (CM2850) engine also utilizes this seal. It is engineered to fit seamlessly within the engine’s design, providing a secure seal that is essential for preventing leaks and maintaining system pressures.

QSL Series Engines

• QSC9 CM2250/QSL9 CM2250
• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM850 (CM2850)

The QSL series engines, including the QSL8.9, QSL9, and QSC9 models, are also compatible with this seal. It is designed to fit the specific requirements of these engines, ensuring that it provides a reliable seal that is critical for the engine’s operation.

Role of Part 3863488 O Ring Seal in Engine Systems

This part is integral to maintaining the integrity and efficiency of various engine components. One of its primary applications is within the flywheel housing.

In the flywheel housing, this seal ensures a tight and secure fit between the housing and the mating surfaces. This seal is responsible for preventing any leakage of fluids, such as oil or coolant, which could otherwise lead to contamination or damage to the flywheel and surrounding components.

Additionally, the O Ring Seal helps in maintaining the pressure integrity within the housing, ensuring that the flywheel operates under the correct conditions. This is particularly important in high-performance engines where even minor leaks can lead to significant performance issues.

The seal also plays a role in reducing vibrations and noise by providing a consistent and smooth interface between the housing and other components. This contributes to the overall stability and reliability of the engine system.

Conclusion

In summary, the 3863488 O Ring Seal is a key component in ensuring the flywheel housing functions correctly, thereby supporting the efficient operation of the entire engine system.