4994273
Rectangular Ring Seal
Cummins®

The 4994273 Rectangular Seal Ring is a component manufactured by Cummins, a well-established name in the commercial truck industry. This seal ring is designed for use in various truck models, playing a significant role in ensuring the efficient operation of these vehicles.

Basic Concepts of Rectangular Seal Rings

Rectangular seal rings are mechanical components used to create a seal between two surfaces. They function by filling the gap between mating parts, preventing the leakage of fluids or gases. These seals are commonly employed in hydraulic systems, engine components, and other mechanical assemblies where maintaining pressure and preventing leaks is necessary ¹.

Purpose of the 4994273 Rectangular Seal Ring

The 4994273 Rectangular Seal Ring is utilized in commercial trucks to ensure the integrity of seals within the engine and other critical systems. It supports the operation of these systems by maintaining pressure and preventing leaks, which is vital for the overall performance and reliability of the truck.

Key Features

The 4994273 Rectangular Seal Ring is constructed from high-quality materials, ensuring durability and resistance to wear. Its design includes specific dimensions and a rectangular cross-section that allows it to fit snugly into the designated grooves, providing an effective seal. Additionally, the seal ring may feature unique characteristics such as anti-extrusion elements to enhance its performance under high-pressure conditions ².

Benefits

The advantages of using the 4994273 Rectangular Seal Ring include improved sealing efficiency, which contributes to the reliable operation of the truck’s systems. Its durable construction leads to longer service life, reducing the frequency of replacements. Furthermore, the seal ring’s design can contribute to cost-effectiveness in maintenance and operation by minimizing the risk of leaks and associated downtime.

Installation Process

Proper installation of the 4994273 Rectangular Seal Ring involves several steps to ensure it functions correctly. The process includes cleaning the groove where the seal will be placed, lubricating the seal to facilitate insertion, and using the appropriate tools to seat the seal properly without damage. Following these steps helps maintain the seal’s integrity and performance ³.

Troubleshooting Common Issues

Common problems with rectangular seal rings may include leaks due to improper installation, wear from extended use, or damage from contaminants. Troubleshooting these issues involves inspecting the seal and its groove for signs of wear or damage, ensuring proper installation techniques are used, and cleaning the area to remove any contaminants that could affect the seal’s performance.

Maintenance Tips

Regular maintenance of the 4994273 Rectangular Seal Ring is crucial for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, cleaning the seal and its groove to prevent contamination, and replacing the seal as necessary to maintain the integrity of the seal.

Cummins: Manufacturer 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 product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Cummins Rectangular Seal Ring Part 4994273 Compatibility

The Cummins Rectangular Seal Ring part number 4994273 is designed to fit seamlessly within various engine configurations, ensuring optimal sealing and performance. This seal ring is compatible with several engine models, including the ISB (Chrysler) and the QSB6.7 series.

ISB (Chrysler)

The ISB engine, developed by Chrysler, incorporates the 4994273 seal ring to maintain the integrity of the engine’s sealing system. This part is crucial in preventing leaks and ensuring that the engine operates efficiently.

QSB6.7 Series

The QSB6.7 series, which includes models such as the CM2250 and CM2350 B105, also utilizes the 4994273 seal ring. This part is integral to the engine’s sealing mechanism, providing a reliable barrier against fluid and air leaks.

• QSB6.7 CM2250: The 4994273 seal ring is specifically engineered to fit the sealing requirements of the CM2250 model, ensuring that the engine maintains its performance and longevity.
• QSB6.7 CM2350 B105: Similarly, the CM2350 B105 model benefits from the use of the 4994273 seal ring, which is designed to meet the stringent sealing needs of this particular engine configuration.

By integrating the 4994273 seal ring into these engines, Cummins ensures that the sealing system remains robust and reliable, contributing to the overall efficiency and durability of the engines.

Role of Part 4994273 Rectangular Seal Ring in Engine Systems

The 4994273 Rectangular Seal Ring is an essential component in various engine systems, ensuring the integrity and efficiency of fluid and gas pathways. Its primary function is to create a secure seal between mating surfaces, preventing leaks and maintaining system pressure.

Integration with Turbocharger Systems

In turbocharger applications, the 4994273 Rectangular Seal Ring is often used in conjunction with the turbocharger gasket kit and turbocharger plumbing. It ensures that the connections between the turbocharger and the engine remain sealed, which is vital for maintaining the boost pressure and overall performance of the turbocharger. The seal ring fits into the female connector of the turbocharger plumbing, mating with the male union to create a leak-proof joint.

Use in Upper Engine Gasket Kits

When incorporated into an upper engine gasket kit, the 4994273 Rectangular Seal Ring plays a significant role in sealing the connections between various engine components. It is commonly used in the hardware kit to ensure that fluid passages, such as coolant and oil lines, remain sealed. This prevents any cross-contamination or loss of fluids, which could lead to engine damage or reduced efficiency.

Application in Plumbing Systems

In general plumbing applications within the engine, the 4994273 Rectangular Seal Ring is used to seal connections in both high-pressure and low-pressure systems. Whether it’s part of the turbocharger plumbing or the engine’s internal fluid pathways, the seal ring ensures that all connections are tight and secure. This is particularly important in systems where even a small leak can lead to significant performance issues or component failure.

Summary of Component Interactions

• Turbocharger: The seal ring ensures that the turbocharger’s plumbing connections are leak-free, maintaining boost pressure.
• Upper Engine Gasket Kit: It seals fluid passages to prevent leaks and contamination.
• Plumbing Systems: Used in various connections to ensure system integrity and prevent fluid loss.

The 4994273 Rectangular Seal Ring is a versatile component that enhances the reliability and performance of engine systems by providing essential sealing capabilities.

Conclusion

The 4994273 Rectangular Seal Ring is a critical component in the maintenance and operation of commercial trucks, particularly those equipped with Cummins engines. Its role in preventing leaks and maintaining system pressure is essential for the efficient and reliable performance of these vehicles. Proper installation, regular maintenance, and understanding its applications within various engine systems are key to maximizing the benefits of this Cummins part.