4954442
O Ring Seal
Cummins®

The 4954442 O Ring Seal, manufactured by Cummins, is a critical component designed for use in commercial trucks. Cummins, a renowned name in the automotive industry, produces this seal to ensure reliable performance in various truck systems. This Cummins part is integral to maintaining the integrity of seals in mechanical systems, contributing to the overall efficiency and reliability of truck operations.

Basic Concepts of O Ring Seals

An O Ring Seal is a type of gasket consisting of a jointless ring of elastomeric material used for sealing applications. Its construction involves a circular cross-section, which, when compressed between two or more mating surfaces, creates a seal. Common materials for O Ring Seals include nitrile rubber, silicone, and fluorocarbon, each offering different properties suitable for various applications. The primary function of an O Ring Seal is to prevent the leakage of fluids or gases in mechanical systems by filling the gap between moving or static parts ¹.

Role of the 4954442 O Ring Seal in Truck Operation

The 4954442 O Ring Seal plays a crucial role in the operation of a truck by ensuring the integrity of seals in various systems or components. It is commonly associated with fuel systems, hydraulic systems, and engine components where it helps maintain pressure and prevent leaks. By creating a reliable seal, the 4954442 O Ring Seal contributes to the efficient operation of these systems, ensuring that fluids and gases remain contained within their intended pathways ².

Key Features

The 4954442 O Ring Seal is characterized by its robust design and material properties. Crafted from high-quality elastomeric materials, it offers excellent resistance to wear and tear, as well as compatibility with a wide range of fluids and operating conditions. Its design ensures a snug fit in applications, enhancing its sealing efficiency. Additionally, the seal may feature unique characteristics such as anti-extrusion properties, which further enhance its performance and durability in demanding environments ³.

Benefits

The 4954442 O Ring Seal provides several benefits, including improved sealing efficiency, which helps maintain system pressure and prevent leaks. Its resistance to wear and tear ensures longevity, reducing the need for frequent replacements. Furthermore, its compatibility with various fluids and operating conditions makes it a versatile choice for different truck systems. These attributes contribute to the overall reliability and performance of the truck.

Troubleshooting and Maintenance

Identifying common issues with the 4954442 O Ring Seal, such as leaks or signs of degradation, is important for maintaining optimal performance. Regular inspection and replacement of the seal, as needed, are recommended maintenance practices. Additionally, ensuring that the seal is correctly installed and that mating surfaces are clean and free of debris can help prevent issues and extend the life of the seal.

About Cummins

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 reliability in the commercial truck industry. Its product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles. The 4954442 O Ring Seal, as a Cummins product, benefits from the company’s commitment to quality and innovation, ensuring it meets the high standards expected in the industry.

Cummins O Ring Seal 4954442 Compatibility

The Cummins O Ring Seal part number 4954442 is a crucial component designed to ensure a secure seal in various engine applications. This seal is compatible with a range of Cummins engines, providing essential sealing properties to prevent leaks and maintain engine efficiency.

ISX15 Series

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101
• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The ISX15 series engines benefit from the O Ring Seal 4954442 in maintaining the integrity of various sealing applications, ensuring optimal performance and reliability.

X15 Series

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

The X15 series engines also utilize the O Ring Seal 4954442, providing essential sealing for critical engine components and ensuring the longevity of the engine.

Other Cummins Engines

• K19
• K38
• K50
• L10 MECHANICAL
• M11 CELECT PLUS
• M11 MECHANICAL
• N14 MECHANICAL
• NH/NT 855
• QST30 CM552
• V28
• V903

The O Ring Seal 4954442 is also compatible with a variety of other Cummins engines, including the K, L, M, N, QST, and V series engines. This compatibility ensures that the seal can be used across a broad range of engine applications, providing consistent sealing performance and reliability.

Role of Part 4954442 O Ring Seal in Engine Systems

The part 4954442 O Ring Seal is instrumental in ensuring the integrity and efficiency of various engine systems by providing essential sealing functions. Here’s how it integrates with the provided components:

Aftercooler Variable Speed Hydraulic Assembly

In the aftercooler variable speed hydraulic assembly, the O Ring Seal prevents leaks between moving parts and stationary components, maintaining the hydraulic fluid’s pressure and ensuring efficient cooling of the compressed air.

American Bosch Governor

Within the American Bosch Governor, the O Ring Seal is positioned to seal the governor’s housing, preventing any hydraulic fluid leakage. This ensures precise control over engine speed and performance.

Block and Cylinder

In the engine block and cylinder, the O Ring Seal is used to seal connections between the block and various ancillary components, such as sensors or fuel lines, preventing coolant or oil leaks that could compromise engine operation.

Cover and Bushing, Cover and Bushing Assembly

For the cover and bushing assemblies, the O Ring Seal ensures a tight seal around bushings and covers, preventing the ingress of contaminants and the egress of lubricants, which is vital for the longevity and performance of these components.

F.P. Gasket Set

In conjunction with the F.P. Gasket Set, the O Ring Seal provides an additional layer of sealing, particularly in areas where gaskets alone may not suffice, such as around fuel pump connections or high-pressure zones.

Fuel and W-W Governor Pump

The O Ring Seal is critical in the fuel and W-W Governor Pump to seal connections and prevent fuel leaks, ensuring the pump operates efficiently and delivers the correct fuel pressure to the engine.

Fuel Filter and Damper, Fuel Filter Head and Damper

In fuel filter and damper systems, the O Ring Seal ensures that there are no leaks in the connections, maintaining the integrity of the fuel supply and preventing contamination.

Fuel Pump & Cal Code, Fuel Pump @ Cal Code, Fuel Pump AFC-VS, Fuel Pump and Cal.Code, Fuel Pump, VS & TC, Fuel Pump, TMD

Across various fuel pump configurations, including those with calibration codes and different types like AFC-VS and TMD, the O Ring Seal is used to seal fuel lines and pump housings, ensuring consistent fuel delivery and preventing leaks.

Fuel Tubing

In fuel tubing systems, the O Ring Seal is employed at connection points to ensure a leak-free fuel path, which is essential for safe and efficient engine operation.

Kit On Board Spares, Kit, MVS Fuel Pump (Mil)

For on-board spares kits and military vehicle-specific fuel pump kits, the O Ring Seal is included to ensure that replacement parts can be installed with confidence, maintaining the seal integrity of the fuel system.

Non AFC-VS/TMD, Non-AFC VS FP/Gov. Sump

In non-AFC-VS/TMD and sump configurations, the O Ring Seal plays a role in sealing various connections and housings, ensuring that the fuel governance system remains leak-free and functions correctly.

Parts, Base, Pump Fuel, Valve, Fuel Shutoff

Finally, in general parts, base components, fuel pumps, valves, and fuel shutoff mechanisms, the O Ring Seal is utilized to ensure that all connections are sealed properly, preventing leaks and ensuring the reliable operation of the fuel system.

Conclusion

The 4954442 O Ring Seal is a vital component in the operation and maintenance of commercial trucks. Its robust design, material properties, and compatibility with a wide range of fluids and operating conditions make it an essential part for ensuring the integrity and efficiency of various engine systems. Regular maintenance and proper installation of this part are crucial for preventing leaks and ensuring the reliable operation of truck systems.