5272819
Rectangular Ring Seal
Cummins®

The Rectangular Ring Seal, part number 5272819, is a component manufactured by Cummins. This seal is utilized in various applications within commercial trucks to ensure the integrity of fluid systems. The article provides an in-depth look at the function, features, and maintenance of this seal.

Basic Concepts of Rectangular Ring Seals

A Rectangular Ring Seal is a type of gasket designed to create a seal between two or more mating surfaces. It is typically made from elastomeric materials that can withstand high pressures and temperatures. The rectangular shape allows for a larger contact area compared to traditional O-rings, enhancing sealing performance ¹.

Function and Role in Truck Operation

The 5272819 Rectangular Ring Seal plays a role in maintaining the integrity of fluid systems within commercial trucks. It is commonly used in fuel systems, hydraulic systems, and engine compartments to prevent leaks and ensure efficient operation. By creating a reliable seal, it helps in maintaining system pressure and preventing contamination ².

Key Features

• Made from durable elastomeric materials
• Rectangular shape for increased contact area
• Designed to withstand high pressures and temperatures
• Compatible with various fluid types
• Easy to install and replace

Benefits

• Enhanced sealing performance due to larger contact area
• Resistance to wear and degradation
• Reliable performance in high-stress environments
• Contributes to the overall efficiency and safety of the truck’s fluid systems

Troubleshooting and Maintenance

Regular inspection of the Rectangular Ring Seal is recommended to ensure it remains in good condition. Signs of wear, cracking, or deformation should be addressed promptly. Maintenance practices include:

• Checking for proper installation
• Ensuring compatibility with system fluids
• Replacing the seal if any damage is detected
• Following manufacturer guidelines for service intervals

Compatibility with Cummins Engines

The Rectangular Ring Seal (Part 5272819) is compatible with a range of Cummins engines, including:

• 6C8.3, G8.3, G8.3 CM558, GTA8.3 CM558, L8.9, L8.9 L121, L8.9G CMOH2.0 L125B, L9.3 L105, L9.5 L117
• QSC8.3 CM850 (CM2850), QSC9 CM2250/QSL9 CM2250, QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM850 (CM2850)
• ISC CM2150, ISC CM850, ISC8.3 CM2250, ISL CM2150, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250, ISL9.5 CM2880 L138
• C GAS PLUS CM556, L GAS PLUS CM556

This seal is designed to fit precisely within the engine’s components, ensuring optimal performance and longevity ³.

Role in Engine Systems

The 5272819 Rectangular Ring Seal is utilized in various engine systems, including:

• Fuel Pump System: Ensures a secure and leak-proof connection between the fuel pump and its housing.
• Fuel Pump Coupling and Mounting Assemblies: Ensures a tight and leak-free coupling between the fuel pump and the engine’s front gear.
• Engine Gasket Kits: Included in lower and upper engine gasket kits to address specific sealing requirements.
• Overhaul Kit: Used to replace worn or damaged seals during engine maintenance or repair.
• Ignition System: Seals connections to prevent potential leaks that could affect system performance.

Conclusion

The 5272819 Rectangular Ring Seal is a versatile and reliable component that enhances the functionality and efficiency of multiple engine systems by providing essential sealing solutions. Regular maintenance and proper installation are crucial to ensure the seal’s effectiveness and the overall performance of the engine.

References