3686368
Rectangular Ring Seal
Cummins®

The Rectangular Ring Seal 3686368, manufactured by Cummins, is a specialized component designed for use in commercial trucks. This seal is integral to maintaining the integrity of various systems within these vehicles, ensuring efficient operation and reliability.

Basic Concepts of Rectangular Ring Seals

A Rectangular Ring Seal is a type of gasket designed to provide a reliable seal between two or more mating surfaces. It functions by creating a barrier that prevents the leakage of fluids or gases, ensuring that systems operate within specified parameters. These seals are commonly used in applications where high pressure and temperature are present, making them suitable for demanding environments such as those found in commercial trucks ¹.

Role of the 3686368 Rectangular Ring Seal in Truck Operation

The 3686368 Rectangular Ring Seal plays a specific role in the operation of commercial trucks by ensuring the integrity of seals within the engine or transmission system. It is designed to withstand the high pressures and temperatures encountered in these systems, providing a reliable barrier that prevents leaks and maintains system efficiency ².

Key Features

The 3686368 Rectangular Ring Seal is characterized by several key features that enhance its performance. It is composed of durable materials that offer resistance to wear and tear, ensuring longevity in demanding applications. The design of the seal includes precise dimensions and a rectangular cross-section that allows it to conform to mating surfaces, providing a tight seal. Additionally, the seal may incorporate unique characteristics such as anti-extrusion elements to further enhance its performance under pressure ³.

Benefits

The 3686368 Rectangular Ring Seal offers several benefits that contribute to the efficient operation of commercial trucks. Its design allows for improved sealing efficiency, reducing the risk of leaks and maintaining system integrity. The durable material composition ensures resistance to wear and tear, contributing to the seal’s longevity. Furthermore, the seal’s ability to withstand high pressures and temperatures makes it suitable for the demanding conditions encountered in commercial truck applications.

Troubleshooting and Maintenance

Common issues that may arise with the 3686368 Rectangular Ring Seal include leaks or failure due to wear and tear. To address these issues, it is important to conduct regular inspections and maintenance. This may involve checking for signs of wear, ensuring proper installation, and replacing the seal as needed to maintain optimal performance and longevity. Additionally, following manufacturer guidelines for maintenance and replacement can help prevent issues and ensure the seal continues to function effectively.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products designed to meet the needs of various applications, ensuring reliability and performance in demanding environments.

Cummins Rectangular Ring Seal 3686368 Compatibility

The Cummins Rectangular Ring Seal part number 3686368 is designed to fit seamlessly with a variety of Cummins engines, ensuring optimal performance and reliability. This part is integral in maintaining the integrity of the engine’s sealing system, preventing leaks and ensuring efficient operation.

ISX15 Series

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The ISX15 series engines, including the ISX15 CM2250, ISX15 CM2250 SN, and ISX15 CM2350 X101, are well-suited for the 3686368 Rectangular Ring Seal. This part ensures that the engine’s sealing system remains intact, providing a reliable barrier against leaks and contaminants.

QSX15 Series

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The QSX15 series engines, such as the QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105, also benefit from the use of the 3686368 Rectangular Ring Seal. This part is crucial in maintaining the sealing integrity of these engines, ensuring they operate efficiently and reliably.

X15 Series

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

The X15 series engines, including the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B, are compatible with the 3686368 Rectangular Ring Seal. This part is essential for maintaining the sealing system of these engines, preventing leaks and ensuring they perform at their best.

Role of Part 3686368 Rectangular Ring Seal in Engine Systems

The Rectangular Ring Seal, part number 3686368, is an essential component in various engine systems, ensuring the integrity and efficiency of the engine’s operation. This seal is strategically positioned in several key areas to maintain proper sealing and prevent leaks, which are vital for the engine’s performance.

Integration with Engine Block

In the engine block, the Rectangular Ring Seal is utilized to create a tight seal between different sections. This seal helps in maintaining the pressure within the block, ensuring that the combustion process is efficient and that there are no unwanted leaks of gases or fluids. Its placement is often around the cylinder bores or between the block and other attached components.

Cylinder and Cylinder Head Gasket Kit

When integrated with the cylinder and cylinder head gasket kit, the Rectangular Ring Seal plays a significant role in sealing the combustion chamber. It ensures that the high pressures and temperatures generated during combustion are contained within the cylinder, preventing any escape that could lead to loss of power or damage to other components.

Mounting Spacer

In conjunction with the mounting spacer, the Rectangular Ring Seal aids in maintaining the correct spacing and alignment between the engine block and the cylinder head. This precise alignment is necessary for the proper functioning of the engine, as it ensures that the combustion process occurs in the optimal location within the cylinder.

Overhaul Kit

Within an overhaul kit, the Rectangular Ring Seal is a key component for restoring the engine to its original sealing efficiency. During an engine overhaul, worn or damaged seals are replaced to ensure that the engine operates as efficiently as possible, with no leaks that could compromise performance or lead to further damage.

Upper Engine Gasket Kit and Set

In the upper engine gasket kit and set, the Rectangular Ring Seal is used to ensure a secure seal between the upper engine components and the cylinder head. This is particularly important in multi-cylinder engines, where maintaining consistent sealing across all cylinders is essential for balanced engine performance.

Conclusion

Overall, the Rectangular Ring Seal, part number 3686368, is a fundamental component in maintaining the sealing integrity of various engine systems. Its proper installation and maintenance are key to ensuring the engine operates efficiently and reliably.