3093964
O-Ring Seal
Cummins®

The Cummins 3093964 O-Ring Seal is a component designed to ensure the integrity of fluid systems within heavy-duty trucks. Its role is to provide a reliable seal in various applications, contributing to the overall efficiency and reliability of the vehicle. Understanding the function and significance of this part is vital for maintaining the performance and longevity of heavy-duty trucks.

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. It functions by being compressed within a groove, forming a barrier that prevents the leakage of fluids or gases. O-Ring Seals are widely used in mechanical systems due to their simplicity, effectiveness, and versatility in various applications ¹.

Purpose of the 3093964 O-Ring Seal

This part plays a specific role in the operation of heavy-duty trucks by ensuring the sealing of fluid passages within the engine and other components. It is associated with systems that require a reliable seal to maintain pressure and prevent leaks, contributing to the efficient operation of the truck.

Key Features

This Cummins part is characterized by its material composition, typically made from durable elastomers that can withstand high temperatures and pressures. Its design ensures a tight fit within the designated groove, providing a robust seal. These features make it suitable for the demanding conditions encountered in heavy-duty applications.

Benefits

Utilizing the 3093964 O-Ring Seal offers several advantages, including enhanced sealing efficiency, which contributes to the overall performance of the truck. Its durability ensures a longer service life, reducing the frequency of replacements. Additionally, its resistance to various operating conditions, such as extreme temperatures and pressures, ensures reliable operation in diverse environments ².

Installation Considerations

Proper installation of the 3093964 O-Ring Seal is crucial for its effectiveness. Guidelines recommend ensuring the groove is clean and free of debris before installation. The O-Ring should be lubricated to facilitate insertion and prevent damage. Careful handling during installation helps maintain the integrity of the seal and ensures optimal performance.

Troubleshooting Common Issues

Common issues with O-Ring Seals include leaks, which can arise from improper installation, wear, or damage. Troubleshooting steps involve inspecting the seal for signs of wear or damage, ensuring the groove is clean, and verifying that the O-Ring is correctly seated. Addressing these issues promptly helps maintain the seal’s effectiveness and prevent further complications.

Maintenance Tips

Regular maintenance of the 3093964 O-Ring Seal involves periodic inspection for signs of wear or damage. It is advisable to check the seal during routine maintenance intervals and replace it if any deterioration is observed. Keeping the groove clean and free of contaminants also contributes to the longevity of the seal.

Compatibility and Application

This part is designed for use in Cummins engines and other heavy-duty truck components where reliable sealing is required. Its compatibility with various systems ensures it can be effectively utilized in a range of applications, contributing to the efficient operation of the vehicle.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines, known for its commitment to quality and innovation. The company’s product lineup includes a variety of components, such as the 3093964 O-Ring Seal, which play a role in ensuring the reliability and performance of their engines. Cummins’ focus on quality components underscores their dedication to providing durable and efficient solutions for the heavy-duty truck industry.

Cummins Engine O-Ring Seal 3093964 Compatibility

The O-Ring Seal part number 3093964, manufactured by Cummins, is designed to fit seamlessly within several of their engine models. This seal is crucial for maintaining the integrity of various engine components by preventing leaks and ensuring optimal performance.

B3.3 and QSB3.3 CM2250 EC Engines

The O-Ring Seal 3093964 is compatible with the B3.3 and QSB3.3 CM2250 EC engines. These engines are known for their reliability and efficiency, often used in a range of applications from agricultural machinery to industrial equipment. The seal ensures that the engine’s internal components remain sealed, preventing any fluid or gas leakage that could compromise engine performance.

QST30 CM2350 T101 and QST30 CM552 Engines

Similarly, the O-Ring Seal 3093964 is also suitable for the QST30 CM2350 T101 and QST30 CM552 engines. These engines are part of Cummins’ QST series, which is designed for heavy-duty applications. The seal’s precision fit is essential in these engines to maintain the high-pressure environments and demanding operational conditions they encounter.

By using the O-Ring Seal 3093964, these engines can operate with enhanced reliability and longevity, ensuring that the seal’s role in preventing leaks and maintaining pressure integrity is fulfilled effectively.

Role of Part 3093964 O-Ring Seal in Engine Systems

This part is integral to maintaining the integrity and efficiency of various engine systems. Its primary function is to ensure a tight seal between moving and stationary parts, preventing leaks and maintaining pressure within the system.

Integration with Engine Components

• Balancer: The O-Ring Seal is used in the balancer to prevent oil leaks, ensuring that the balancer operates smoothly and efficiently.
• Engine: Within the engine block, the O-Ring Seal is employed to seal connections between the engine and various components, such as the oil level gauge and lower engine gasket kit, ensuring optimal performance and longevity.
• Gauge: Specifically, the O-Ring Seal is critical in the oil level gauge system, where it prevents oil from escaping, thus providing accurate readings and maintaining system pressure.
• Oil Level: In the oil level system, the O-Ring Seal ensures that oil levels are maintained without leakage, which is essential for lubrication and cooling of engine parts.
• Lever: When integrated with levers, particularly those connected to the rocker arms, the O-Ring Seal prevents oil leakage, ensuring that the lever mechanism functions without interference from oil contamination.
• Rocker: The seal is also used in the rocker arm assembly to maintain oil integrity and prevent leaks, which is vital for the proper operation of the valve train.
• Location: Proper placement of the O-Ring Seal at various locations within the engine, such as between the engine block and the lower engine gasket set, is essential for preventing oil leaks and maintaining system efficiency.
• Oil Level Gauge: The O-Ring Seal ensures that the oil level gauge provides accurate readings by preventing oil from escaping around the gauge’s connection points.
• Lower Engine Gasket Kit: Within the lower engine gasket kit, the O-Ring Seal plays a role in creating a secure seal between the engine block and other components, preventing oil and coolant leaks.
• Lower Engine Gasket Set: Similarly, in the lower engine gasket set, the O-Ring Seal ensures that all connections are leak-proof, maintaining the engine’s operational integrity.
• Package: When included in a product installation package, the O-Ring Seal ensures that all components are properly sealed upon installation, contributing to the overall reliability of the engine system.
• Product Installation: During the installation process, the O-Ring Seal is crucial for ensuring that all connections are secure and leak-free, which is essential for the engine’s performance and durability.
• Single Head Gasket Set: In the single head gasket set, the O-Ring Seal helps to maintain the seal between the cylinder head and the engine block, preventing combustion gases from escaping.
• Upper Engine Gasket Kit: The O-Ring Seal is also utilized in the upper engine gasket kit to ensure that all upper engine components are properly sealed, contributing to the engine’s overall efficiency and reliability.

Conclusion

The Cummins 3093964 O-Ring Seal is a critical component in the maintenance and operation of heavy-duty trucks. Its role in ensuring the integrity of fluid systems, preventing leaks, and maintaining pressure within engine components is essential for the efficient and reliable performance of these vehicles. Proper installation, maintenance, and understanding of its compatibility and application are key to maximizing the benefits of this part in heavy-duty truck engines.