4982954
O Ring Seal
Cummins®

The 4982954 O-Ring Seal, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins, a well-established name in the commercial vehicle industry, produces a range of parts and systems aimed at enhancing the performance and reliability of heavy-duty trucks. This Cummins part is one such component, playing a role in ensuring the integrity of various systems within these vehicles.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket with a circular cross-section, designed to create a seal between two or more parts ¹. In mechanical systems, O-Ring Seals are used to prevent the leakage of fluids and gases, ensuring the efficient operation of the system. They work by being compressed between flanges or in a groove, creating a barrier that blocks the passage of substances.

Purpose of the 4982954 O-Ring Seal in Truck Operations

In the context of commercial trucks, the 4982954 O-Ring Seal serves a specific function within the vehicle’s systems. It is applied at points where fluid or gas sealing is required to maintain system efficiency and prevent leaks. This includes applications in the engine, transmission, and other critical systems where sealing is necessary for optimal performance.

Key Features of the 4982954 O-Ring Seal

This part is engineered with features that make it suitable for heavy-duty applications. Its design and material characteristics contribute to its durability, allowing it to withstand the rigors of commercial truck operations. It exhibits resistance to a variety of fluids commonly found in truck systems and can operate within a broad temperature range, ensuring reliable performance under diverse conditions.

Benefits of Using the 4982954 O-Ring Seal

Utilizing the 4982954 O-Ring Seal in truck applications offers several advantages. It contributes to improved system reliability by ensuring effective seals, which can lead to reduced maintenance needs. Additionally, its design enhances the performance of truck systems under demanding conditions, supporting the overall efficiency and longevity of the vehicle.

Installation Considerations

Proper installation of the 4982954 O-Ring Seal is vital for ensuring its optimal performance and longevity. Guidelines for installation include ensuring the seal is correctly positioned in its groove and that there is no damage to the seal during the installation process. Avoiding common pitfalls, such as over-lubrication or incorrect sizing, is also important for the seal’s effectiveness.

Troubleshooting Common Issues

O-Ring Seals, including the 4982954, may encounter issues over time. Typical problems can include leaks due to wear or improper installation. Troubleshooting steps involve inspecting the seal for signs of damage, ensuring it is correctly installed, and replacing it if necessary to resolve sealing issues.

Maintenance and Replacement

Regular maintenance and inspection of the 4982954 O-Ring Seal are recommended to ensure its continued effectiveness. Signs of wear or failure, such as leaks or physical damage to the seal, indicate the need for replacement. Adhering to a maintenance schedule can help prevent unexpected failures and ensure the seal continues to perform its intended function.

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. Its product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial and industrial applications ².

Cummins O-Ring Seal 4982954 Compatibility

The O-Ring Seal part number 4982954, manufactured by Cummins, is designed to fit a variety of Cummins engines. This seal is crucial for maintaining the integrity of fluid systems within these engines, ensuring that there are no leaks and that the engine operates efficiently.

Compatible Engines

• B3.3: This seal is compatible with the B3.3 engine, providing a reliable seal in various fluid systems.
• ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12/ISX11.9 CM2250: The O-Ring Seal 4982954 fits seamlessly with these ISX12 series engines, ensuring optimal performance and longevity.
• QSX11.9 CM2250 ECF: This seal is also compatible with the QSX11.9 CM2250 ECF engine, providing a critical seal in its fluid systems.
• X12 CM2670 X121B, X13 CM2670 X122B: The seal is designed to fit the X12 and X13 series engines, ensuring that these engines maintain their operational efficiency and reliability.

This O-Ring Seal is an essential component for maintaining the fluid systems in these engines, ensuring that they operate smoothly and efficiently.

Role of Part 4982954 O-Ring Seal in Engine Systems

The part 4982954 O-Ring Seal is integral to the functionality and efficiency of various engine components. Its primary role is to ensure a secure and leak-free seal in systems where fluid or air movement is essential.

In the Air Heater Starting system, the O-Ring Seal is used to maintain the integrity of the air pathways, ensuring that heated air is effectively directed to the engine for easier starting in cold conditions.

Within the Long Block assembly, this seal is employed in several critical junctions, such as between the Lower Engine Gasket Kit components, to prevent any coolant or oil leakage that could compromise engine performance.

For the Mounting of the Fan Drive, the O-Ring Seal helps in securing the connections, ensuring that the fan operates efficiently without any coolant escape, which is vital for maintaining optimal engine temperature.

In the Overhaul Kit, the O-Ring Seal is a replacement part that ensures all refurbished components are sealed properly, contributing to the longevity and reliability of the engine post-overhaul.

The Pump systems, particularly the Water Pump, rely on the O-Ring Seal to maintain the seal around the impeller and other moving parts. This is essential for consistent coolant flow, which is critical for engine thermal management.

The Coolant Temperature Sensor often utilizes the O-Ring Seal to ensure accurate readings by preventing coolant leakage around the sensor housing.

In the Threaded Plug applications, the O-Ring Seal is used to ensure that any openings in the engine block or head are properly sealed, preventing coolant or oil from escaping.

Lastly, in the Water Pump Volute Housing, the O-Ring Seal plays a key role in ensuring that the coolant is directed efficiently through the pump without any leaks, which is essential for the overall cooling system efficiency.

Conclusion

The 4982954 O-Ring Seal by Cummins is a critical component in the maintenance and operation of commercial truck engines. Its design and material properties ensure durability and reliability under demanding conditions, contributing to the overall efficiency and longevity of the vehicle. Proper installation, regular maintenance, and timely replacement are key to maximizing the benefits of this part, ensuring that truck systems operate smoothly and efficiently.