3926722
Rectangular Ring Seal
Cummins®

The Rectangular Ring Seal 3926722, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems aimed at enhancing the efficiency and reliability of heavy-duty trucks. This Cummins part plays a role in maintaining the integrity of various systems within commercial trucks.

Basic Concepts of Rectangular Ring Seals

A Rectangular Ring Seal is a type of gasket designed to provide a seal between two or more mating surfaces. It functions by filling the gap between these surfaces, preventing the leakage of fluids or gases. These seals are commonly used in mechanical systems where maintaining a tight seal is necessary to ensure the proper operation of the system. Applications include engine and transmission systems, where they help maintain pressure and prevent leaks ¹.

Purpose of the 3926722 Rectangular Ring Seal in Truck Operations

The 3926722 Rectangular Ring Seal is utilized in commercial trucks to ensure the effective sealing of components within the engine or transmission system. Its role is to prevent the leakage of fluids, such as oil or coolant, which are vital for the lubrication and cooling of engine parts. By maintaining a secure seal, this part contributes to the overall efficiency and reliability of the truck’s operation ².

Key Features of the 3926722 Rectangular Ring Seal

The 3926722 Rectangular Ring Seal is characterized by its specific design elements and the materials used in its construction. It is made from high-quality materials that offer resistance to wear, corrosion, and extreme temperatures. The design of the seal ensures a tight fit within the application, enhancing its sealing capabilities and durability over time ³.

Benefits of Using the 3926722 Rectangular Ring Seal

Utilizing the 3926722 Rectangular Ring Seal offers several advantages. These include improved sealing performance, which helps in maintaining the integrity of the engine or transmission system. The seal’s durability ensures longevity, reducing the frequency of replacements. Additionally, its resistance to various operating conditions makes it suitable for the demanding environments typical of commercial truck operations.

Installation Considerations

Proper installation of the 3926722 Rectangular Ring Seal is vital for ensuring its optimal performance and longevity. Guidelines for installation include ensuring the mating surfaces are clean and free from debris, using the correct tools to avoid damaging the seal, and following the manufacturer’s recommendations for torque specifications when securing components. These practices help in achieving a secure and effective seal.

Troubleshooting Common Issues

Common problems associated with Rectangular Ring Seals may include leaks due to improper installation, wear and tear over time, or damage from extreme operating conditions. Troubleshooting steps involve inspecting the seal and mating surfaces for damage, ensuring the seal is correctly installed, and replacing the seal if necessary to restore the system’s integrity.

Maintenance Tips

Regular maintenance of the 3926722 Rectangular Ring Seal is recommended to prolong its service life and maintain efficient truck operation. This includes periodic inspection for signs of wear or damage, cleaning the mating surfaces during maintenance intervals, and replacing the seal according to the manufacturer’s guidelines or when signs of failure are observed.

Cummins: Manufacturer Overview

Cummins is a leading manufacturer in the commercial truck industry, known for its wide range of products that include engines, transmissions, and aftermarket parts. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and efficient components that contribute to the performance and longevity of commercial vehicles. The company’s commitment to excellence is reflected in its product offerings, including the 3926722 Rectangular Ring Seal.

Cummins Rectangular Ring Seal Part 3926722 Compatibility

The Cummins Rectangular Ring Seal part number 3926722 is designed to ensure proper sealing and performance in various engine applications. This part is compatible with a range of Cummins engines, providing a reliable seal that helps maintain engine efficiency and longevity.

Compatible Engines

• 6C8.3
• C GAS PLUS CM556
• C8.3 G
• G8.3
• G8.3 CM558
• GTA8.3 CM558
• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250
• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138
• L GAS PLUS CM556
• L8.9
• L8.9 L121
• L9.3 L105
• L9.5 L117
• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)
• QSC9 CM2250 / QSL9 CM2250
• QSL8.9 CM2150 L141

The Rectangular Ring Seal part 3926722 is engineered to fit seamlessly in these engines, ensuring that the seal is effective in preventing leaks and maintaining pressure integrity.

Role of Part 3926722 Rectangular Ring Seal in Engine Systems

The 3926722 Rectangular Ring Seal is a component in ensuring the integrity and efficiency of various engine systems. Its primary function is to provide a secure and leak-proof seal in areas where different engine components interface.

Integration with Key Components

1. Fuel Pump and Fuel Pump Coupling:

   • The Rectangular Ring Seal is utilized in the assembly of the fuel pump and its coupling. It ensures that the connection between the fuel pump and the fuel pump coupling remains sealed, preventing any fuel leaks that could compromise engine performance or pose safety risks.

2. Front Gear and Front Gear Cover:

   • In the front gear and front gear cover assembly, the seal plays a vital role in maintaining the pressure and lubrication necessary for the smooth operation of the front gear. This helps in reducing wear and tear on the gear components.

3. Housing and Mounting:

   • When installed in the housing and mounting areas, the seal prevents the ingress of contaminants and the egress of lubricants, ensuring that the engine components remain well-lubricated and free from debris.

4. Lower and Upper Engine Gasket Sets:

   • The seal complements the lower and upper engine gasket sets by providing an additional layer of security against leaks. This is particularly important in high-pressure areas where even a small leak can lead to significant performance issues.

5. Overhaul Kit:

   • Included in overhaul kits, the Rectangular Ring Seal is a replacement part that ensures the engine can be restored to its optimal condition. Its proper installation during an overhaul is key to maintaining the engine’s efficiency and longevity.

6. Approval and Agency Coupling:

   • In systems requiring approval from regulatory agencies, the seal’s reliable performance is often a factor in meeting the stringent standards set for engine safety and efficiency.

7. Pump and Fuel Systems:

   • Within the broader pump and fuel systems, the seal ensures that the fuel delivery remains consistent and free from leaks, which is essential for the engine’s combustion process.

By understanding the role of the 3926722 Rectangular Ring Seal in these various engine components, engineers and mechanics can better appreciate its importance in maintaining the overall health and performance of the engine.

Conclusion

The 3926722 Rectangular Ring Seal is a critical component in the maintenance and operation of commercial truck engines. Its design and material composition ensure durability and reliability in sealing applications, contributing to the efficiency and longevity of the engine systems it serves. Proper installation, maintenance, and understanding of its role within the engine components are essential for maximizing the benefits of this Cummins part.