4001927
O Ring Seal
Cummins®

The Cummins 4001927 O Ring Seal is a component designed to ensure the integrity of seals in commercial trucks. O Ring Seals, in general, are vital in sealing applications across various industries, including automotive. They prevent leaks, maintain system pressure, and protect against contaminants. This Cummins part specifically contributes to the reliable operation of commercial trucks by providing a secure seal in critical areas ¹.

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. Its basic design allows it to be compressed during installation, creating a tight seal that prevents fluid or gas leakage. O Ring Seals are commonly manufactured from materials such as nitrile rubber, silicone, Viton, and EPDM, each offering unique properties like resistance to chemicals, temperature, and pressure ².

Purpose of the 4001927 O Ring Seal in Truck Operation

This part plays a specific role in the operation of commercial trucks by ensuring the integrity of seals in various systems or components. It is associated with fuel systems, hydraulic systems, and other critical areas where maintaining a seal is necessary for optimal performance. By providing a reliable seal, it contributes to the efficient function of these systems ³.

Key Features of the 4001927 O Ring Seal

This Cummins part is characterized by its robust design and material composition. It is typically made from high-quality elastomers that offer excellent resistance to the operating conditions found in commercial trucks. Its unique characteristics enhance performance and durability, making it a reliable component for demanding applications.

Benefits of Using the 4001927 O Ring Seal

Incorporating this O Ring Seal in truck maintenance and operation offers several benefits. These include improved sealing efficiency, which helps maintain system pressure and prevent leaks. Its longevity ensures that it can withstand the rigors of commercial truck operation, and its resistance to various operating conditions makes it a versatile choice for different applications.

Installation and Maintenance Guidelines

Proper installation of this Cummins part involves ensuring it is correctly seated in the groove without damage. Maintenance tips to ensure its longevity include regular inspection for signs of wear or damage and replacement as needed. Common issues may include leaks or reduced sealing efficiency, which can often be addressed by re-seating or replacing the O Ring Seal.

Performance Under Various Conditions

The 4001927 is designed to perform under a range of operating conditions. It can withstand temperature variations, pressure changes, and exposure to chemicals, making it suitable for use in diverse environments. Its performance under these conditions contributes to the reliability of the systems it is part of.

Safety and Handling

When handling this Cummins part, it is important to follow safety guidelines to ensure personal safety and the integrity of the component. This includes proper storage in a cool, dry place and avoiding exposure to extreme temperatures or chemicals that could degrade the material. Awareness of potential hazards and how to mitigate them is crucial for safe use.

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 of innovation and commitment to quality, Cummins plays a significant role in the commercial truck industry. Its components, including the 4001927 O Ring Seal, are designed with a focus on reliability and performance, contributing to the efficiency and durability of commercial trucks.

Cummins O Ring Seal 4001927 Compatibility

The Cummins O Ring Seal part number 4001927 is designed to fit seamlessly with several engine models, ensuring a reliable seal in various applications. This part is compatible with the following engines:

• ISX CM570
• ISX CM870
• ISX CM871

These ISX series engines are known for their robust performance and reliability, often used in heavy-duty applications. The O Ring Seal 4001927 is engineered to provide a tight seal, preventing leaks and maintaining system integrity.

• QSK19 CM500

The QSK19 series engines, including the CM500 model, are also compatible with the O Ring Seal 4001927. These engines are designed for demanding applications, and the seal ensures that critical components remain protected from contaminants and pressure variations.

• VTA903 CM2250 V105

The VTA903 CM2250 V105 engine is another model that benefits from the O Ring Seal 4001927. This engine is part of the VTA series, which is engineered for high-performance and durability in various industrial applications. The seal ensures that the engine’s components remain sealed and protected.

The O Ring Seal 4001927 is a critical component in maintaining the operational efficiency and longevity of these engines, providing a reliable seal in demanding environments.

Role of Part 4001927 O Ring Seal in Engine Systems

The 4001927 O Ring Seal is integral to the efficient operation of various fuel system components within an engine. Its primary function is to ensure a secure and leak-free seal between mating surfaces, which is essential for maintaining the integrity of the fuel system.

Fuel Control Housing

In the fuel control housing, the 4001927 O Ring Seal is positioned to prevent fuel leakage at the connection points. This seal ensures that the pressurized fuel within the housing is contained, allowing for precise control over fuel delivery to the engine.

Fuel Control Module

When integrated into the fuel control module, the O Ring Seal plays a significant role in sealing the interfaces where the module connects to other components. This prevents any fuel from escaping, which could otherwise lead to inefficient fuel management and potential safety hazards.

Fuel Pump

For the fuel pump, the 4001927 O Ring Seal is used at the pump’s inlet and outlet connections. This ensures that the fuel path remains sealed, allowing the pump to operate efficiently without any loss of fuel pressure, which is vital for consistent engine performance.

Fuel Pump and Drive

In the assembly of the fuel pump and drive, the O Ring Seal is critical at the points where the pump connects to the drive mechanism. This seal helps in maintaining the structural integrity and operational efficiency of the fuel delivery system.

Gear Fuel Pump

Within the gear fuel pump, the 4001927 O Ring Seal is employed to seal the gear housing. This prevents any fuel from leaking out, ensuring that the pump can generate the necessary pressure to deliver fuel to the engine effectively.

Gear Fuel Pump Kit

In a gear fuel pump kit, the O Ring Seal is included to ensure all connections within the kit are sealed properly. This comprehensive sealing is essential for the kit’s overall performance and durability in the fuel system.

Pump

Generically, for any pump within the fuel system, the 4001927 O Ring Seal is used to create a tight seal at connection points. This is fundamental for preventing fuel leaks and ensuring that the pump can maintain the required pressure for optimal engine function.

Conclusion

The Cummins 4001927 O Ring Seal is a critical component in the maintenance and operation of commercial trucks. Its robust design, material composition, and compatibility with various engine models make it a reliable choice for ensuring the integrity of seals in critical systems. By preventing leaks, maintaining system pressure, and protecting against contaminants, this part contributes significantly to the efficient and safe operation of commercial trucks.