4980085
Rectangular Ring Seal
Cummins®

The 4980085 Rectangular Ring Seal, manufactured by Cummins, is a specialized component designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces a wide range of components that contribute to the efficiency and reliability of heavy-duty vehicles. Sealing components, such as the 4980085, play a significant role in maintaining the integrity of various systems within these trucks by preventing leaks and ensuring optimal performance.

Basic Concepts of Rectangular Ring Seals

Rectangular ring seals are sealing components characterized by their rectangular cross-section. They function by creating a barrier that prevents the leakage of fluids or gases between mating surfaces. These seals are commonly used in mechanical systems where a reliable seal is required under varying pressure and temperature conditions. The materials used in their construction typically include elastomers, which provide flexibility and resilience, and sometimes metal reinforcements for added strength and durability ¹.

Purpose of the 4980085 Rectangular Ring Seal in Truck Operations

The 4980085 Rectangular Ring Seal is integral to the operation of commercial trucks, particularly in systems where fluid or gas containment is necessary. It is often associated with hydraulic systems, fuel systems, and other critical components where maintaining a seal is vital for the system’s efficiency and safety. By ensuring that fluids or gases remain within their intended pathways, the seal contributes to the overall performance and reliability of the truck ².

Key Features of the 4980085 Rectangular Ring Seal

The 4980085 Rectangular Ring Seal is distinguished by its design and material properties. It is crafted from high-quality elastomers that offer excellent resistance to wear, compression set, and a range of operating conditions. The seal’s rectangular shape allows it to conform to irregular surfaces, providing a more effective seal than traditional O-rings in certain applications. Additionally, the manufacturing process ensures precision in dimensions and material consistency, contributing to its reliable performance ³.

Benefits of Using the 4980085 Rectangular Ring Seal

Utilizing the 4980085 Rectangular Ring Seal offers several advantages. Its design and material properties contribute to improved sealing efficiency, reducing the risk of leaks. The seal’s durability ensures long-term performance, even under demanding conditions. Furthermore, its resistance to various operating conditions, including temperature extremes and chemical exposure, makes it a reliable choice for commercial truck applications ⁴.

Installation Considerations

Proper installation of the 4980085 Rectangular Ring Seal is crucial for its effective performance. This involves preparing the mating surfaces to ensure they are clean, smooth, and free from imperfections that could compromise the seal. Torque specifications should be followed to avoid over-tightening, which can damage the seal, or under-tightening, which can lead to leaks. Common pitfalls during installation include improper handling of the seal, which can cause damage, and incorrect alignment, which can prevent the seal from functioning as intended.

Troubleshooting Common Issues

Typical problems associated with rectangular ring seals include leaks and failure due to wear or damage. Troubleshooting these issues involves inspecting the seal and mating surfaces for signs of wear, damage, or misalignment. Addressing leaks may require replacing the seal or adjusting the system to ensure proper alignment and pressure. Diagnosing issues related to the 4980085 Rectangular Ring Seal involves a thorough examination of the seal and its environment to identify the root cause of the problem.

Maintenance and Replacement

Maintaining the 4980085 Rectangular Ring Seal involves regular inspections to check for signs of wear or damage. Replacement should be considered if the seal shows signs of degradation, such as cracking or hardening, or if leaks are detected. Safe and effective replacement procedures include ensuring the mating surfaces are clean and undamaged before installing a new seal. Following these practices helps ensure the continued reliability and performance of the seal.

Cummins: A Brief Overview

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’s commitment to excellence is evident in its wide range of products, which are designed to meet the demanding requirements of heavy-duty applications. Cummins’ dedication to quality and innovation ensures that its components, including the 4980085 Rectangular Ring Seal, contribute to the efficiency, reliability, and performance of commercial trucks.

Cummins Rectangular Ring Seal Part 4980085 Compatibility

The Cummins Rectangular Ring Seal part number 4980085 is designed to fit a variety of Cummins engines. Here is a detailed look at its compatibility across different engine models:

Cummins 6B5.9 Engines

The Rectangular Ring Seal part 4980085 is compatible with the Cummins 6B5.9 engines. This seal is crucial for maintaining the integrity of the engine’s sealing system, ensuring optimal performance and longevity.

Cummins 6C8.3 Engines

Similarly, the part 4980085 is also suitable for the Cummins 6C8.3 engines. This seal is engineered to withstand the operational demands of these engines, providing a reliable barrier against leaks and contaminants.

Cummins L8.9 and L8.9 L121 Engines

The Cummins Rectangular Ring Seal part 4980085 fits both the L8.9 and L8.9 L121 engines. This compatibility ensures that the seal can be used across different configurations within the same engine family, offering flexibility in maintenance and repair.

Cummins L9.3 L105 and L9.5 L117 Engines

The part 4980085 is also compatible with the Cummins L9.3 L105 and L9.5 L117 engines. These seals are designed to fit seamlessly into the engine’s architecture, ensuring that the sealing system remains effective and reliable.

Cummins 4B3.9 and B4.5 Engines

While the primary focus is on the larger engine models, the Cummins Rectangular Ring Seal part 4980085 is also compatible with the smaller Cummins 4B3.9 and B4.5 engines. This compatibility extends the usability of the seal across a broader range of Cummins engine models, providing a versatile solution for sealing needs.

Grouping for Ease of Use

For ease of reference, the engines can be grouped as follows:

• 6B5.9 and 6C8.3 Engines: These larger engines benefit from the robust sealing capabilities of the part 4980085.
• L8.9 and L8.9 L121 Engines: These engines, often used in heavy-duty applications, require reliable sealing solutions, which the part 4980085 provides.
• L9.3 L105 and L9.5 L117 Engines: These engines, typically found in medium-duty applications, also benefit from the high-quality sealing performance of the part 4980085.
• 4B3.9 and B4.5 Engines: These smaller engines, while less common, still require effective sealing solutions, which the part 4980085 can provide.

Role of Part 4980085 Rectangular Ring Seal in Engine Systems

The 4980085 Rectangular Ring Seal is an essential component in ensuring the integrity and efficiency of various engine systems. Its primary function is to provide a secure and leak-proof seal in applications where components interface, particularly in the fuel system and engine installation processes.

Fuel System Integration

In the fuel system, the 4980085 Rectangular Ring Seal is often utilized at the fuel filter location to ensure that the connection between the fuel filter and the fuel lines is airtight. This seal prevents any fuel leakage, which is vital for maintaining the system’s efficiency and safety. Additionally, during the fuel filter mounting process, this seal plays a significant role in securing the filter in place, ensuring it operates within the designed parameters.

Engine Installation and Lower Engine Gasket Kit

During engine installation, the 4980085 Rectangular Ring Seal is employed in conjunction with the lower engine gasket kit to create a robust seal between the engine block and other mating surfaces. This application is particularly important in preventing coolant or oil leaks, which could lead to engine damage or reduced performance. The seal ensures that fluids remain contained within their respective systems, contributing to the overall reliability of the engine.

Plumbing and Component Interfaces

In the context of plumbing within the engine system, the 4980085 Rectangular Ring Seal is used at various interfaces where pipes and fittings connect. This includes connections in the fuel lines, coolant passages, and oil circuits. The seal’s design allows it to accommodate slight misalignments and vibrations, which are common in engine operations, thereby maintaining a consistent seal over time.

Kit Applications

When included in a kit, the 4980085 Rectangular Ring Seal is often paired with other sealing components to address multiple sealing points within the engine system. These kits are designed to simplify the replacement or maintenance process, ensuring that all necessary seals are updated simultaneously to maintain system integrity.

Conclusion

The 4980085 Rectangular Ring Seal is a versatile and essential component in the operation of commercial trucks, particularly in systems where fluid or gas containment is necessary. Its design and material properties contribute to improved sealing efficiency, reducing the risk of leaks and ensuring long-term performance under demanding conditions. Proper installation, maintenance, and troubleshooting are crucial for maximizing the effectiveness of this Cummins part. The compatibility of the 4980085 across various Cummins engine models further underscores its importance in ensuring the reliability and performance of commercial trucks.