3933072
O-Ring Seal
Cummins®

The Cummins 3933072 O-Ring Seal is a critical component designed to ensure the integrity of fluid systems in commercial trucks. Its purpose is to create a reliable seal in various applications, preventing leaks and maintaining system efficiency. The significance of this O-Ring Seal lies in its ability to contribute to the overall performance and reliability of truck operations.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a toroidal (ring-shaped) elastomer with a circular cross-section used to create a seal between two or more parts. It functions by deforming under compression to fill the gap between mating surfaces, thus preventing the passage of fluids or gases. O-Ring Seals are widely used in mechanical systems due to their simplicity, effectiveness, and versatility in various applications, including hydraulic, pneumatic, and fuel systems ¹.

Role of the 3933072 O-Ring Seal in Truck Operation

The 3933072 O-Ring Seal plays a specific role in the operation of commercial trucks by ensuring the integrity of fluid pathways within the truck’s systems. It is typically placed in areas where fluid transfer occurs, such as fuel injectors, hydraulic systems, and engine components. Its function is to maintain a tight seal, which is vital for the efficient operation of these systems and for preventing fluid leaks that could lead to performance issues or safety hazards ².

Key Features of the 3933072 O-Ring Seal

The 3933072 O-Ring Seal is characterized by several key features that enhance its performance and durability. It is made from high-quality elastomer materials, which provide resistance to a wide range of temperatures and chemical environments. The design specifications of this O-Ring Seal ensure it can withstand the pressures and dynamic conditions present in truck systems, contributing to its longevity and reliability ³.

Benefits of Using the 3933072 O-Ring Seal

Using the 3933072 O-Ring Seal offers several benefits. It provides improved sealing efficiency, which helps maintain system performance and reduce the risk of leaks. The durability of the material ensures a longer service life, even under demanding conditions. Additionally, its resistance to various environmental factors, such as temperature extremes and chemical exposure, makes it a reliable choice for commercial truck applications.

Installation and Maintenance

Proper installation of the 3933072 O-Ring Seal is crucial for ensuring its effectiveness. This involves preparing the sealing surfaces to be clean and free of debris, using the appropriate tools to install the O-Ring without damage, and ensuring it is properly seated in its groove. Regular maintenance, including periodic inspection for signs of wear or damage, can help ensure the longevity and optimal performance of the O-Ring Seal.

Troubleshooting Common Issues

Common problems associated with O-Ring Seals include leaks and wear. These issues can often be traced back to improper installation, exposure to incompatible fluids, or natural wear over time. Troubleshooting steps may involve inspecting the seal and its seating area for damage, ensuring compatibility with system fluids, and replacing the O-Ring Seal if necessary to restore system integrity.

Manufacturer: Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a reputation for excellence. The company’s dedication to advancing technology and meeting the needs of its customers underscores its position as a leader in the industry.

Cummins Engine Part 3933072 O-Ring Seal Compatibility

The Cummins part 3933072 O-Ring Seal is designed to fit a variety of Cummins engines, ensuring a tight and reliable seal in various applications. This O-Ring Seal is crucial for maintaining the integrity of the engine’s sealing system, preventing leaks and ensuring optimal performance.

Engines Compatible with Part 3933072

• B5.9 G
• B5.9 GAS PLUS CM556
• C GAS PLUS CM556
• C8.3 G
• G5.9
• ISB5.9G CM2180
• ISB6.7 G CM2180 B118
• ISL G CM2180
• ISX12 G CM2180 EJ
• KTA19GC
• KTA19GC CM558
• KTA38GC CM558
• L GAS PLUS CM556
• L10 GAS

Grouping of Compatible Engines

Group 1: B Series Engines

• B5.9 G
• B5.9 GAS PLUS CM556

Group 2: C Series Engines

• C GAS PLUS CM556
• C8.3 G

Group 3: G Series Engines

• G5.9

Group 4: ISB Series Engines

• ISB5.9G CM2180
• ISB6.7 G CM2180 B118

Group 5: ISL and ISX Series Engines

• ISL G CM2180
• ISX12 G CM2180 EJ

Group 6: KTA Series Engines

• KTA19GC
• KTA19GC CM558
• KTA38GC CM558

Group 7: L Series Engines

• L GAS PLUS CM556
• L10 GAS

This O-Ring Seal is engineered to provide a precise fit for each of these engines, ensuring that it performs effectively in various operating conditions. Whether used in industrial, agricultural, or transportation applications, the Cummins part 3933072 O-Ring Seal is a reliable choice for maintaining engine efficiency and longevity.

Role of Part 3933072 O-Ring Seal in Engine Systems

The O-Ring Seal, designated as part 3933072, is integral to maintaining the integrity and efficiency of various engine systems. Its application spans across multiple components, ensuring that each system operates within optimal parameters.

Air Fuel Mixer

In the air fuel mixer, the O-Ring Seal is employed to create a tight seal between the mixer body and its components. This ensures that the air-fuel mixture is precisely controlled, enhancing combustion efficiency and reducing emissions.

Assembly Kit

Within assembly kits, the O-Ring Seal is utilized to seal connections between various parts. This is particularly important in ensuring that the assembly is leak-free, which is essential for the proper functioning of the engine.

Fuel Control and Fuel Control Module

The O-Ring Seal plays a significant role in the fuel control and fuel control module by sealing fuel lines and connections. This prevents fuel leaks and ensures that the fuel delivery system maintains consistent pressure and flow.

Fuel Pressure Regulator

In the fuel pressure regulator, the O-Ring Seal is critical for maintaining the regulator’s ability to control fuel pressure. A secure seal ensures that the regulator can accurately adjust fuel pressure, which is vital for engine performance.

Fuel Shutoff Valve

The O-Ring Seal in the fuel shutoff valve ensures that the valve can effectively stop fuel flow when needed. This is important for safety and for preventing fuel leaks during engine shutdown.

Turbocharger and Turbocharger Kit

In turbochargers and turbocharger kits, the O-Ring Seal is used to seal various connections, including those in the turbocharger oil system. This ensures that the turbocharger operates efficiently and that oil leaks are minimized.

Turbocharger Oil and Oil Drain Mounting

For the turbocharger oil system, the O-Ring Seal is essential in sealing oil lines and the oil drain mounting. This prevents oil leaks and ensures that the turbocharger is properly lubricated, enhancing its longevity and performance.

Plumbing and Turbocharger Oil Plumbing

In plumbing applications related to the turbocharger oil system, the O-Ring Seal ensures that all connections are leak-free. This is vital for maintaining the integrity of the oil system and ensuring that the turbocharger receives adequate lubrication.

HHP Overhaul Turbo/International Gasket

In the context of an HHP overhaul turbo or an international gasket application, the O-Ring Seal is used to ensure that all gasketed surfaces are properly sealed. This is important for maintaining the structural integrity of the engine and preventing leaks.

Fuel Pressure Set

In fuel pressure sets, the O-Ring Seal is used to ensure that all components are securely sealed. This is essential for maintaining consistent fuel pressure, which is critical for engine performance and efficiency.

The O-Ring Seal, part 3933072, is a versatile component that enhances the functionality and reliability of various engine systems. Its application across different components underscores its importance in maintaining engine performance and efficiency.

Conclusion

The Cummins 3933072 O-Ring Seal is a vital component in the maintenance and efficiency of commercial truck and engine systems. Its role in preventing leaks, ensuring system integrity, and contributing to overall performance makes it an indispensable part of truck operations. Proper installation, regular maintenance, and understanding its applications across various engine components are key to maximizing the benefits of this O-Ring Seal.