4984808
O Ring Seal
Cummins®

The 4984808 O Ring Seal, manufactured by Cummins, is a component used in the maintenance and operation of commercial trucks. Cummins, a well-established name in the commercial vehicle industry, produces a range of parts designed to enhance the performance and reliability of trucks. This Cummins part plays a significant role in ensuring the proper functioning of various truck systems.

Basic Concepts of O Ring Seals

O Ring Seals are circular rings, typically made from elastomers, that create a seal when compressed within a groove. They are widely used in mechanical systems to prevent the leakage of fluids and gases. The materials commonly used for O Rings include nitrile rubber, silicone, and fluorocarbon, each offering different levels of resistance to temperature, chemicals, and compression set. O Rings operate by deforming under pressure to fill the space between two or more mating surfaces, thereby creating an effective seal ¹.

Purpose of the 4984808 O Ring Seal in Truck Operation

The 4984808 O Ring Seal is specifically designed to play a role in the operation of commercial trucks by ensuring the integrity of seals in various systems or components. It is commonly associated with fuel systems, where it helps maintain the seal between components, preventing fuel leaks and ensuring efficient fuel delivery. Additionally, it may be used in other systems where fluid or gas sealing is required.

Key Features of the 4984808 O Ring Seal

The 4984808 O Ring Seal is characterized by its design and material properties, which make it suitable for demanding applications in commercial trucks. It is made from a durable elastomer that offers resistance to a range of substances, including fuels and lubricants. The seal is also designed to operate within a specific temperature range, ensuring reliable performance under varying conditions. Its durability and resistance properties contribute to its effectiveness in sealing applications.

Benefits of Using the 4984808 O Ring Seal

Utilizing the 4984808 O Ring Seal in truck systems offers several advantages. It contributes to improved system efficiency by ensuring tight seals, which prevents leaks and maintains system pressure. The seal’s durability and resistance to various substances enhance its longevity, reducing the need for frequent replacements. Additionally, its reliable performance ensures consistent sealing, contributing to the overall reliability of the truck’s systems.

Installation Considerations

Proper installation of the 4984808 O Ring Seal is vital to ensure optimal performance and longevity. Guidelines for installation include ensuring the groove is clean and free of debris before inserting the seal. The seal should be lubricated with a compatible lubricant to facilitate installation and reduce the risk of damage. Care should be taken to avoid twisting or pinching the seal during installation, as this can compromise its sealing ability ².

Troubleshooting Common Issues

Common problems associated with O Ring Seals include leaks, which may be caused by improper installation, damage to the seal, or degradation of the seal material. Troubleshooting steps include inspecting the seal and groove for damage, ensuring proper installation, and replacing the seal if necessary. Regular inspection and maintenance can help identify and address issues before they lead to system failures ³.

Maintenance Tips

Regular maintenance of O Ring Seals, including the 4984808 O Ring Seal, is important to prolong their service life and ensure continued reliable operation. Maintenance tips include periodic inspection for signs of wear or damage, cleaning the groove and seal as needed, and replacing the seal according to the manufacturer’s recommendations or when signs of degradation are observed. Proper maintenance helps maintain the integrity of seals and the efficiency of truck systems.

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 vehicle industry. The company offers a wide range of products, including engines, powertrains, and aftermarket parts, designed to meet the needs of various industries and applications. Cummins’ commitment to quality and customer satisfaction has made it a trusted name in the commercial vehicle sector.

O Ring Seal Part 4984808 Compatibility with Cummins Engines

The O Ring Seal part number 4984808 is designed to fit a variety of Cummins engines, ensuring a secure seal in various applications. This part is crucial for maintaining the integrity of the engine’s sealing systems, preventing leaks and ensuring optimal performance.

ISC Series Engines

• ISC CM2150
• ISC8.3 CM2250
• ISC CM2150
• ISL9 CM2150 SN
• ISL9 CM2250

These engines, part of the ISC and ISL series, benefit from the O Ring Seal part 4984808. This seal is particularly important in maintaining the pressure and preventing fluid leaks in these engines.

ISL Series Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

The ISL series engines also utilize the O Ring Seal part 4984808. This seal is essential for ensuring that the engine operates efficiently by preventing any unwanted fluid or air leaks.

ISX Series Engines

• ISX12 CM2350 X102
• ISX12/ISX11.9 CM2250
• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The ISX series engines, known for their high performance, require the O Ring Seal part 4984808 to maintain their sealing integrity. This part is crucial in ensuring that these engines perform reliably under demanding conditions.

ISZ Series Engines

• ISZ13 CM2150 Z105

The ISZ series engine also integrates the O Ring Seal part 4984808. This seal is vital for maintaining the engine’s sealing systems and ensuring optimal performance.

QSC and QSL Series Engines

• QSC9 CM2250/QSL9 CM2250
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM850(CM2850)

These engines from the QSC and QSL series also utilize the O Ring Seal part 4984808. This seal is essential for maintaining the sealing integrity of these engines, preventing leaks and ensuring efficient operation.

QSX Series Engines

• QSX11.9 CM2250 ECF
• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The QSX series engines benefit from the O Ring Seal part 4984808. This seal is crucial for maintaining the sealing systems of these engines, ensuring they operate efficiently and reliably.

QSZ Series Engines

• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

The QSZ series engines also incorporate the O Ring Seal part 4984808. This seal is essential for maintaining the sealing integrity of these engines, preventing leaks and ensuring optimal performance.

X15 Series Engines

• X15 CM2350 X116B

The X15 series engine utilizes the O Ring Seal part 4984808. This seal is crucial for maintaining the sealing systems of this engine, ensuring it operates efficiently and reliably.

The O Ring Seal part 4984808 is a versatile and essential component for maintaining the sealing integrity of a wide range of Cummins engines. Its compatibility with these engines ensures that they operate efficiently and reliably, preventing leaks and maintaining optimal performance.

Role of Part 4984808 O Ring Seal in Engine Systems

Part 4984808 O Ring Seal is integral to the efficient operation of various engine components, ensuring the integrity of fluid systems and the prevention of leaks. Its application spans across several key components within fuel systems, particularly in high-pressure and precision-driven assemblies.

Fuel Injection Pump

In the fuel injection pump, the O Ring Seal is positioned to create a tight seal between moving parts and stationary components. This ensures that high-pressure fuel is delivered without any leakage, maintaining the pump’s efficiency and reliability. The seal is particularly important in areas where the fuel injection pump interfaces with other components, such as the fuel pump adapter or the fuel pump body.

Fuel Pump and Fuel Pump Assembly

Within the fuel pump and fuel pump assembly, the O Ring Seal plays a significant role in sealing connections between the fuel pump body and its mounting points. This prevents fuel from escaping, which is essential for maintaining the desired fuel pressure and ensuring consistent fuel delivery to the engine. The seal is also used in the fuel pump adapter to ensure a secure connection to the fuel lines and other components.

Orifice Plug

The orifice plug, a small but vital component in fuel systems, relies on the O Ring Seal to maintain its position and function. The seal prevents fuel from bypassing the orifice, ensuring that the fuel flow is regulated as designed. This is particularly important in high-pressure systems where even minor leaks can lead to significant performance issues.

XPI JV Components

In XPI JV systems, including those for Cummins HD, Cummins MR, Scania HD, and Texas applications, the O Ring Seal is used extensively. These systems demand precise fuel delivery and high pressures, making the seal essential for maintaining system integrity. The seal is employed in various connections within the XPI JV system, such as between the high-pressure pump and the rail, ensuring that the system operates within specified parameters.

Fuel Pump Mounting

The fuel pump mounting points often incorporate O Ring Seals to ensure that the pump is securely attached to the engine or fuel system without any fuel leakage. This is vital for the longevity and performance of the fuel pump, as any leakage can lead to inefficient operation and potential damage to surrounding components.

Conclusion

In summary, the 4984808 O Ring Seal is a fundamental component in ensuring the sealing integrity across various engine systems, particularly within fuel injection and high-pressure fuel delivery systems. Its proper installation and maintenance are key to the efficient and reliable operation of these systems.