3933073
O-Ring Seal
Cummins®

The 3933073 O-Ring Seal, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces a range of parts and systems aimed at enhancing the performance and reliability of heavy-duty vehicles. This Cummins part is one such component, playing a role in ensuring the integrity of various systems within these 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. In mechanical systems, O-Ring Seals are commonly used to prevent the leakage of fluids and gases, ensuring the efficient operation of the system. They work by being compressed between two surfaces, creating a barrier that blocks the passage of substances. The effectiveness of an O-Ring Seal depends on its material properties, the design of the sealing surfaces, and the conditions under which it operates ¹.

Purpose of the 3933073 O-Ring Seal in Truck Operations

In the context of commercial trucks, the 3933073 O-Ring Seal is utilized in systems where fluid or gas sealing is required. This includes applications in the engine, transmission, and hydraulic systems, among others. By providing a reliable seal, this part contributes to the overall efficiency and reliability of these systems, helping to maintain performance and prevent leaks that could lead to system failure or inefficiency.

Key Features of the 3933073 O-Ring Seal

The 3933073 O-Ring Seal is characterized by its design and material properties, which are tailored to meet the demands of its applications. It is made from materials that offer durability and resistance to a range of chemicals and temperatures, ensuring it can withstand the harsh conditions found in commercial truck operations. These features make this Cummins part a reliable choice for sealing applications in this environment ².

Benefits of Using the 3933073 O-Ring Seal

The use of the 3933073 O-Ring Seal in commercial trucks offers several advantages. It contributes to improved system efficiency by ensuring that fluids and gases remain contained within their intended paths. This seal also enhances the longevity and reliability of the systems it is part of, reducing the likelihood of leaks and the need for frequent maintenance. The robust design and material of the 3933073 O-Ring Seal support these benefits, making it a valuable component in truck operations.

Installation Considerations

Proper installation of the 3933073 O-Ring Seal is important for ensuring its optimal performance and longevity. Cummins provides guidelines and recommendations for the installation process, which may include the use of specific tools and procedures. Following these guidelines helps to ensure that the seal is correctly positioned and compressed, maximizing its effectiveness in creating a reliable seal.

Troubleshooting Common Issues

Common issues associated with O-Ring Seals, including the 3933073 model, can arise from improper installation, wear and tear, or exposure to incompatible substances. Identifying these problems involves checking for signs of leaks, examining the condition of the seal, and assessing the environment in which it operates. Addressing these issues may require replacing the seal, adjusting the system to reduce wear, or selecting a seal material that is more resistant to the specific conditions encountered.

Maintenance Tips

Regular maintenance of the 3933073 O-Ring Seal can help prolong its service life and ensure continued effective performance. This includes periodic inspection for signs of wear or damage, cleaning the seal and its mating surfaces to remove contaminants, and replacing the seal as necessary. Adhering to Cummins’ maintenance recommendations can contribute to the reliability and efficiency of the systems in which the seal is used.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a trusted partner for businesses relying on heavy-duty vehicles.

Cummins O-Ring Seal Part 3933073 Compatibility

The Cummins O-Ring Seal part 3933073 is designed to ensure a secure seal in various engine applications. This seal is engineered to fit seamlessly with a range of Cummins engines, providing reliable performance and preventing leaks. Below is a detailed overview of the engines with which this O-Ring Seal is compatible.

Compatible Engines

• 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
• L GAS PLUS CM556
• L10 GAS
• N14 G

Grouping of Compatible Engines

The compatibility of the O-Ring Seal part 3933073 spans across several engine families and models. Here, we group the engines based on their series and common features:

1. B Series Engines

   • B5.9 G
   • B5.9 GAS PLUS CM556

2. C Series Engines

   • C GAS PLUS CM556
   • C8.3 G

3. G Series Engines

   • G5.9

4. ISB Series Engines

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

5. ISL Series Engines

   • ISL G CM2180

6. ISX Series Engines

   • ISX12 G CM2180 EJ

7. L Series Engines

   • L GAS PLUS CM556
   • L10 GAS

8. N Series Engines

   • N14 G

This O-Ring Seal is designed to meet the stringent requirements of Cummins engines, ensuring optimal performance and longevity. Its compatibility with a wide range of engines underscores its versatility and importance in maintaining engine integrity.

Role of Part 3933073 O-Ring Seal in Engine Systems

The part 3933073 O-Ring Seal is instrumental in maintaining the integrity and efficiency of various engine components. Its primary function is to create a reliable seal, preventing leaks and ensuring optimal performance across different systems.

Air Fuel Mixer

In the air fuel mixer, the O-Ring Seal ensures that the mixture of air and fuel is precisely controlled. By sealing the connections between components, it prevents any unwanted air or fuel leakage, which could otherwise disrupt the mixture ratio and affect engine performance.

Arrangement and Assembly Kit

When incorporated into an arrangement or assembly kit, the O-Ring Seal plays a vital role in securing the fitment of various parts. This ensures that all components within the kit are tightly sealed, reducing the risk of fluid or air leaks during operation.

Charge Air Bypass

Within the charge air bypass system, the O-Ring Seal is essential for maintaining the pressure integrity of the bypass route. It ensures that pressurized air is correctly directed, without any loss, which is important for efficient engine operation and turbocharging systems.

Fuel Control and Fuel Control Module

In fuel control and fuel control module applications, the O-Ring Seal is used to seal fuel lines and connections. This prevents fuel leakage, which is not only a safety concern but also ensures that the fuel delivery system operates efficiently, providing the engine with the correct fuel supply.

Fuel Pressure Regulator

The fuel pressure regulator relies on the O-Ring Seal to maintain consistent fuel pressure. By sealing the regulator’s connections, it ensures that fuel pressure is accurately regulated, which is essential for stable engine performance and fuel efficiency.

Fuel Shutoff Valve

In the fuel shutoff valve, the O-Ring Seal ensures that the valve can effectively stop fuel flow when needed. This is important for safety, as it prevents fuel leakage in the event of an emergency shutdown or during maintenance procedures.

Module and Regulator

For modules and regulators that control various engine functions, the O-Ring Seal ensures that all fluid and air pathways are securely sealed. This is important for the accurate operation of these modules, as any leakage could result in incorrect readings or malfunctions.

Overall, the part 3933073 O-Ring Seal is a fundamental component in ensuring the reliable operation of engine systems by providing essential seals that prevent leaks and maintain system integrity.

Conclusion

The 3933073 O-Ring Seal by Cummins is a critical component in the maintenance and operation of commercial truck engines. Its design and material properties are tailored to withstand the harsh conditions of truck operations, ensuring reliable sealing across a variety of engine systems. Proper installation, regular maintenance, and understanding its role in different engine components are essential for maximizing the effectiveness and longevity of this seal. Cummins’ commitment to quality and innovation is reflected in the design and functionality of the 3933073 O-Ring Seal, making it a valuable asset in the commercial truck industry.