4982451
O-Ring Seal
Cummins®

Introduction

The Cummins 4982451 O-Ring Seal is a vital component in commercial trucks, designed to ensure the integrity of fluid systems by providing a reliable seal in various applications, thereby preventing leaks and maintaining system pressure ¹.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a toroidal elastomer with a circular cross-section, used to create a seal when compressed between mating surfaces. O-Rings are essential in mechanical systems for sealing joints, preventing fluid leakage, and maintaining system pressure due to their simplicity, effectiveness, and versatility ².

Role of the 4982451 O-Ring Seal in Truck Operation

This Cummins part ensures the sealing of specific fluid pathways within a truck, located in areas requiring a tight seal to maintain performance and prevent leaks. Its function is crucial for the operation of the truck’s systems, contributing to the vehicle’s overall efficiency and reliability ³.

Key Features

The 4982451 O-Ring Seal is made from a durable elastomer material, chosen for its resistance to operating conditions. It has precise dimensions for a proper fit and is designed to withstand specific pressures and temperatures, ensuring reliable sealing performance ⁴.

Benefits of Using the 4982451 O-Ring Seal

Using this part offers improved sealing efficiency, maintaining system pressure and preventing fluid leaks. Its durability ensures long-term performance under demanding conditions, and its resistance to temperature fluctuations and fluid exposure contributes to its reliability ¹.

Installation Considerations

Proper installation of the 4982451 O-Ring Seal involves ensuring clean mating surfaces, using correct tools to avoid damage, and verifying proper seating within the system to ensure a proper fit and function ².

Troubleshooting Common Issues

Common issues with O-Ring Seals include leaks, seal failure, and improper seating. Diagnosing these involves inspecting the seal and mating surfaces for damage, ensuring correct installation, and verifying system operation within specified pressure and temperature parameters ³.

Maintenance Tips

Regular maintenance of the 4982451 O-Ring Seal, including periodic inspection for wear or damage, cleaning as needed, and replacement according to manufacturer recommendations or observed degradation signs, can prolong its lifespan and ensure reliable performance ⁴.

About Cummins

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and over 7,200 dealer locations ¹.

Cummins O-Ring Seal Part 4982451 in Engine Applications

The Cummins O-Ring Seal part number 4982451 is crucial in various engine systems, ensuring engine operation integrity and efficiency by preventing leaks and maintaining pressure ².

B3.3 Engine

In the B3.3 engine, 4982451 plays a vital role in sealing critical areas where fluid or gas passages meet other engine components, ensuring no leaks compromise engine performance. Its precise fit and durability are essential for maintaining operational efficiency and reliability ³.

Group Applications

This O-Ring Seal is also utilized in various engine groups with similar sealing requirements, ensuring consistent performance characteristics across different engine models. Its ability to withstand high temperatures and pressures makes it a reliable choice for these applications ⁴.

Role of Part 4982451 O-Ring Seal in Engine Systems

This part is instrumental in maintaining the integrity and efficiency of various engine components by providing a reliable seal, preventing leaks, and ensuring optimal performance across different engine systems ¹.

Cover and Front Gear

In the engine cover and front gear, 4982451 seals the interface between these components and the engine block, maintaining pressure integrity and preventing oil or fuel leaks that could lead to performance issues or safety hazards ².

Fuel Injection Pump and Fuel Pump

For the fuel injection pump and fuel pump, this O-Ring Seal ensures fuel lines remain leak-free, sealing connections between the pump and fuel lines, as well as within the pump itself, maintaining precise fuel delivery for efficient combustion ³.

Gasket Kit

When incorporated into a gasket kit, 4982451 complements other gaskets by providing additional sealing at specific points where standard gasket material may not suffice, enhancing the overall sealing effectiveness of the kit, particularly in areas prone to high pressure or temperature variations ⁴.

Long Block

In a long block assembly, this Cummins part is used at various junctures to ensure the block remains sealed against coolant, oil, and fuel leaks, especially at the points where the block interfaces with other components, such as the cylinder head or the oil pan ¹.

Overhaul Kit

Within an overhaul kit, 4982451 is a key component for restoring the engine to its original sealing specifications, ensuring all refurbished or replaced parts are properly sealed, contributing to the engine’s longevity and performance post-overhaul ².

Pump and Fuel System

In the broader fuel system, including the pump and associated lines, this O-Ring Seal maintains the integrity of fuel delivery by sealing connections and interfaces, ensuring fuel is delivered without leaks, which is essential for consistent engine operation and efficiency ³.

Conclusion

The Cummins 4982451 O-Ring Seal is a critical component in ensuring the reliability and efficiency of commercial truck and engine systems. Its role in preventing leaks, maintaining system pressure, and ensuring optimal performance across various applications underscores its importance in the operation and maintenance of these systems ⁴.