3901467
O Ring Seal
Cummins®

The 3901467 O-Ring Seal, a component manufactured by Cummins, plays a significant role in the commercial truck industry. This part is designed to ensure the integrity of various systems within commercial 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. They operate by being compressed within a groove, which creates a seal as the O-Ring deforms to fill any gaps between mating surfaces ¹.

Purpose of the 3901467 O-Ring Seal in Truck Operations

This Cummins part is utilized in commercial trucks to maintain the seal in various engine components or systems. Its placement is critical in areas where fluid or gas leakage could lead to system failure or inefficiency. By ensuring a tight seal, this O-Ring contributes to the overall performance and reliability of the truck’s engine and associated systems.

Key Features of the 3901467 O-Ring Seal

The 3901467 O-Ring Seal is engineered with specific design and material characteristics that make it suitable for heavy-duty applications. It is constructed from materials that offer durability, resistance to high temperatures, and compatibility with a range of fluids commonly found in truck engines. These features ensure that the O-Ring can withstand the demanding conditions of commercial truck operations ².

Benefits of Using the 3901467 O-Ring Seal

Utilizing this part in truck engines and systems offers several advantages. These include improved sealing efficiency, which helps in maintaining system pressure and preventing leaks. Additionally, the durability and material properties of this O-Ring contribute to its longevity, reducing the need for frequent replacements and enhancing the overall reliability of the truck’s systems.

Installation and Maintenance Guidelines

Proper installation of the 3901467 O-Ring Seal is vital for its effective function. This involves preparing the surfaces where the O-Ring will be placed, ensuring they are clean and free from any debris that could compromise the seal. Tools required for installation should be appropriate to avoid damaging the O-Ring. Regular maintenance checks are recommended to ensure the O-Ring remains in good condition, which includes inspecting for signs of wear or damage and replacing it as necessary to maintain system integrity.

Troubleshooting Common Issues

Common issues with O-Ring Seals, such as leaks or failures, can often be traced back to installation errors or environmental factors that exceed the O-Ring’s design specifications. Diagnosing these issues involves a thorough inspection of the seal and its surrounding components. Resolutions may include re-installation with proper techniques, or in cases where the O-Ring has exceeded its service life, replacement with a new seal.

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 strong reputation in the commercial truck industry for producing reliable and high-performance components. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of commercial and industrial applications.

Cummins O-Ring Seal 3901467 Compatibility

The Cummins O-Ring Seal part number 3901467 is designed to fit a variety of Cummins engines, ensuring a secure seal in various applications. This O-ring is engineered to provide a reliable barrier against leaks, maintaining the integrity of the engine’s systems.

Compatible Engines

• 4B3.9
• 6B5.9
• 6C8.3
• B3.9 G
• B5.9 G
• B5.9 GAS PLUS CM556
• G5.9
• G5.9 CM558
• ISB5.9G CM2180

Grouped Compatibility

• B3.9 Series:

  • 4B3.9
  • B3.9 G

• B5.9 Series:

  • 6B5.9
  • B5.9 G
  • B5.9 GAS PLUS CM556
  • G5.9
  • G5.9 CM558

• ISB5.9G Series:

  • ISB5.9G CM2180

• 6C8.3

The O-Ring Seal 3901467 is engineered to fit seamlessly within the specified engine models, ensuring compatibility across different engine configurations and applications. This part is crucial for maintaining the performance and longevity of the engine by preventing leaks and ensuring a tight seal in various components.

Role of Part 3901467 O-Ring Seal in Engine Systems

The part 3901467 O-Ring Seal is instrumental in ensuring the integrity and efficiency of various engine components. Its application spans across multiple critical areas within the engine system, providing essential sealing functions that prevent leaks and maintain optimal performance.

Connection Points

At connection points throughout the engine, the O-Ring Seal plays a significant role in creating a tight seal between mating surfaces. This is particularly important in areas where different materials or components meet, such as between the engine block and various housings. The seal prevents the escape of fluids and gases, ensuring that the engine operates within specified parameters.

Water Inlet

In the water inlet system, the O-Ring Seal is used to secure the connection between the water pump and the engine block. This seal is vital for maintaining the coolant flow, which is essential for regulating engine temperature. A properly sealed water inlet ensures that coolant circulates efficiently, preventing overheating and potential engine damage.

Couplings

Couplings within the engine system often require O-Ring Seals to ensure a leak-free connection. These seals are used in applications such as turbocharger couplings and accessory drive couplings. By providing a robust seal, the O-Ring prevents the loss of lubricants or coolant, which could lead to reduced efficiency or component failure.

Fuel Pump

The fuel pump area is another critical location where the O-Ring Seal is employed. It ensures that the fuel lines and connections remain sealed, preventing fuel leaks that could pose a safety hazard. Additionally, a secure seal maintains the integrity of the fuel system, ensuring consistent fuel delivery to the engine.

Cover Assemblies

Cover assemblies, such as valve covers and timing cover, utilize O-Ring Seals to prevent oil leaks. These seals are essential for maintaining the lubrication system’s integrity, ensuring that oil remains contained within the engine and continues to lubricate moving parts effectively.

Front Gear

In the front gear area, O-Ring Seals are used to secure connections and prevent the leakage of lubricants. This is particularly important in maintaining the efficiency and longevity of the front gear assembly, which is subject to high stresses and temperatures.

Lower Engine Gasket Set

The lower engine gasket set incorporates O-Ring Seals to ensure a comprehensive seal between various engine components. This includes seals between the cylinder block, oil pan, and other lower engine components. The O-Rings help maintain the integrity of the engine’s lower section, preventing oil leaks and ensuring that all components function as designed.

Conclusion

The 3901467 O-Ring Seal is a critical component in the maintenance and operation of commercial truck engines. Its design and material properties ensure durability and reliability in heavy-duty applications. Proper installation and maintenance of this part are essential for the efficient and safe operation of truck engines.