4947912
O-Ring Seal
Cummins®

The 4947912 O-Ring Seal, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins is a well-established name in the industry, known for its quality engine components and systems. Seals play a significant role in maintaining the integrity of various systems within a truck, ensuring that fluids and gases remain contained within their designated pathways. This Cummins part is integral to this function, providing reliable sealing solutions in demanding environments.

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. Typically made from elastomers, these seals are effective in both dynamic and static applications. The principle behind their function is simple: when compressed between two surfaces, the O-Ring deforms to fill any irregularities, creating a barrier that prevents leakage. Common materials for O-Rings include nitrile rubber, fluorocarbon, and silicone, each chosen for specific applications based on their resistance to temperature, chemicals, and pressure ¹.

Role of the 4947912 O-Ring Seal in Truck Operation

This part is utilized in various systems within a truck, including fuel, hydraulic, and engine cooling systems. Its role is to ensure that fluids and gases are contained within these systems, preventing leaks that could lead to system failure or environmental contamination. By maintaining the integrity of these systems, the O-Ring Seal contributes to the overall efficiency and reliability of the truck.

Key Features of the 4947912 O-Ring Seal

The 4947912 is characterized by its specific material composition, dimensions, and design features that enhance its performance and durability. Made from a high-quality elastomer, it is designed to withstand the harsh conditions found in commercial truck environments. Its precise dimensions ensure a proper fit within the systems it is intended for, while any unique design characteristics may include reinforced edges or specialized compounds to improve its sealing capabilities.

Benefits of Using the 4947912 O-Ring Seal

Utilizing this Cummins part offers several advantages. It contributes to improved system efficiency by ensuring that fluids and gases remain within their designated pathways. Its durability and reliability in demanding environments mean that it can withstand the rigors of commercial truck operation, reducing the likelihood of leaks or failures. This results in enhanced longevity and reliability for the systems it is part of.

Installation Considerations

Proper installation of the 4947912 is crucial for ensuring its optimal performance and longevity. Guidelines and best practices recommended by Cummins include using the appropriate tools and procedures to avoid damaging the seal during installation. This may involve lubricating the seal before insertion, ensuring that mating surfaces are clean and free of debris, and avoiding over-tightening of components that could distort the seal.

Troubleshooting Common Issues

Common problems associated with O-Ring Seals, such as leaks or failures, can often be traced back to installation errors, material degradation, or environmental factors. Troubleshooting steps may include inspecting the seal and mating surfaces for damage, ensuring that the seal is the correct size and material for the application, and checking for any signs of wear or degradation that may indicate the need for replacement.

Maintenance and Replacement Guidelines

Regular maintenance and inspection of the 4947912 are recommended to ensure its continued reliability. Signs that may indicate the need for replacement include visible wear or damage to the seal, leaks in the system it is part of, or a decrease in system performance. Proper procedures for replacement involve carefully removing the old seal, cleaning the mating surfaces, and installing a new seal according to Cummins’ guidelines.

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 truck industry. Its commitment to developing reliable and efficient engine components and seals is evident in products like the 4947912, which are designed to meet the demanding requirements of commercial truck applications.

Cummins O-Ring Seal 4947912 Compatibility

The O-Ring Seal part number 4947912, manufactured by Cummins, is designed to fit seamlessly within the engine systems of the B3.3, QSB3.3 CM2150, and QSB3.3 CM2250 EC engines. This seal is integral to maintaining the integrity of the engine’s sealing system, ensuring that there are no leaks or failures that could compromise engine performance.

In the B3.3 engine, the 4947912 is utilized in critical areas where it needs to withstand the engine’s operational stresses. Its placement is crucial for maintaining the pressure and preventing fluid or gas from escaping where it shouldn’t.

For the QSB3.3 CM2150 and QSB3.3 CM2250 EC engines, the seal’s role is similarly vital. These engines, known for their robust performance, require high-quality seals to maintain their efficiency and longevity. The 4947912 is engineered to fit precisely in these engines, ensuring that all components work in harmony without any leakage issues.

The compatibility of the 4947912 across these engines highlights its versatility and the importance of using the correct seal for each specific engine model. Cummins has designed this seal to meet the stringent requirements of these engines, ensuring optimal performance and reliability.

Role of Part 4947912 O-Ring Seal in Engine Systems

Housing

The part 4947912 O-Ring Seal is instrumental in ensuring the integrity of the housing within engine systems. It is positioned at the interface between the housing and other mating components, providing a reliable seal that prevents fluid leakage. This seal is particularly important in systems where fluids under pressure are present, such as hydraulic or lubrication systems. The O-Ring’s elasticity allows it to conform to irregularities on mating surfaces, ensuring a consistent seal even under varying operational conditions.

Flywheel

In the context of the flywheel, the part 4947912 O-Ring Seal plays a significant role in maintaining the seal between the flywheel and the housing or other adjacent components. This is essential in applications where the flywheel is part of a sealed system, such as in certain types of transmissions or engine compartments. The O-Ring helps to contain lubricants or other fluids, ensuring they remain within the system and do not contaminate other parts of the engine. Additionally, it aids in preventing external contaminants from entering the system, which could lead to increased wear or failure of the flywheel and associated components.

Conclusion

The 4947912 O-Ring Seal is a critical component in the maintenance and operation of commercial truck engines. Its role in preventing leaks and maintaining system integrity is vital for the efficiency and reliability of these vehicles. Proper installation, maintenance, and understanding of its compatibility with specific engine models are essential for maximizing the benefits of this Cummins part.