3867481
O Ring Seal
Cummins®

The Cummins 3867481 O-Ring Seal is a component designed to ensure the integrity of fluid systems within commercial trucks. Its role is significant in maintaining the efficiency and reliability of truck operations, particularly in environments where durability and performance are paramount ¹.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket that forms a seal by being compressed within a groove. It functions by creating a barrier that prevents the leakage of fluids and gases. O-Ring Seals are widely used in mechanical systems due to their simplicity, effectiveness, and versatility in various applications ².

Purpose of the 3867481 O-Ring Seal

The Cummins 3867481 O-Ring Seal is specifically designed to maintain the seal in certain fluid pathways within a truck’s system. Its location and function are critical to ensuring that fluids are contained within their intended paths, thereby supporting the overall operation of the truck’s mechanical systems ³.

Key Features

This part is constructed from materials that offer high durability and resistance to various operating conditions. Its design characteristics, including precise dimensions and material composition, make it well-suited for heavy-duty applications, ensuring reliable performance under demanding conditions ⁴.

Benefits

Using the 3867481 O-Ring Seal provides several advantages, including enhanced sealing efficiency, extended longevity, and robust resistance to a range of operating conditions. These benefits contribute to the overall reliability and performance of the truck’s fluid systems ⁵.

Installation Process

Proper installation of the 3867481 O-Ring Seal involves several steps to ensure it functions correctly. This includes cleaning the groove, lubricating the O-Ring, and carefully placing it into the groove without damage. Following manufacturer guidelines for tools and procedures is recommended to achieve the best results ⁶.

Troubleshooting Common Issues

Common problems with O-Ring Seals can include leaks, wear, and damage. Diagnosing these issues involves inspecting the seal for signs of deterioration or improper installation. Addressing these problems may require replacement of the O-Ring Seal or adjustment of the system to prevent further issues ⁷.

Maintenance Tips

Regular maintenance of the 3867481 O-Ring Seal is important for ensuring optimal performance and longevity. This includes periodic inspections for wear or damage, cleaning the seal and its groove, and replacing the seal according to manufacturer guidelines or when signs of failure are observed ⁸.

Cummins 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 a broad product range, Cummins has established a strong reputation in the commercial truck industry for quality, reliability, and performance ⁹.

O-Ring Seal 3867481 Compatibility with Cummins Engines

The O-Ring Seal part number 3867481, manufactured by Cummins, is a critical component designed to ensure a secure seal in various engine applications. This seal is engineered to fit seamlessly within the engine systems, providing essential sealing properties that prevent leaks and maintain system integrity.

Compatibility with Specific Engine Models

• G855 CM558, GTA855 CM558 (CM2358) G101, ISX CM570, ISX CM870, ISX CM871, QSC8.3 CM554, QSL9 CM554

These engines share a common design and sealing requirement, making the O-Ring Seal 3867481 a suitable fit. The seal’s precision engineering ensures it can handle the specific pressures and conditions within these engines, providing a reliable barrier against fluid leaks.

• ISC CM554, ISL CM554, QSK50 CM2350 K108

These engines, while differing in some specifications, also benefit from the O-Ring Seal 3867481. The seal’s adaptability allows it to conform to the unique sealing requirements of these models, ensuring optimal performance and longevity.

By integrating the O-Ring Seal 3867481 into these engines, users can expect enhanced sealing efficiency, reduced maintenance needs, and improved overall engine performance. This part is a testament to Cummins’ commitment to providing high-quality, reliable components for their engine systems ¹⁰.

Role of Part 3867481 O-Ring Seal in Engine Systems

The Part 3867481 O-Ring Seal is instrumental in maintaining the integrity and efficiency of various engine systems by providing essential sealing functions. Its application spans across multiple components, ensuring that fluids and gases are contained within their designated pathways, thereby optimizing engine performance and reliability ¹¹.

Actuator Kit

In the Actuator Kit, the O-Ring Seal is utilized to prevent leaks at connection points, ensuring that hydraulic or pneumatic pressures are maintained for precise actuator operation.

Cam Housing Module

Within the Cam Housing Module, the O-Ring Seal plays a key role in sealing the interface between the cam housing and other engine components, preventing oil leaks and maintaining lubrication efficiency.

Engine Control Module

Although the Engine Control Module (ECM) is primarily electronic, O-Ring Seals are often used in its mounting brackets or connectors to prevent moisture ingress, which could otherwise lead to electronic failures.

Equalizer Kit

The Equalizer Kit relies on O-Ring Seals to ensure that pressure equalization occurs without leaks, maintaining consistent fuel delivery and engine performance.

Fuel Control Housing

In the Fuel Control Housing, O-Ring Seals are critical for sealing fuel pathways, ensuring that fuel is delivered under the correct pressure and without contamination.

Fuel Control Module

Similar to the Fuel Control Housing, the Fuel Control Module uses O-Ring Seals to maintain the integrity of fuel lines and prevent leaks, which is essential for accurate fuel metering.

Fuel Control Valve

The Fuel Control Valve incorporates O-Ring Seals to ensure that fuel flow is regulated without any bypass or leakage, contributing to efficient engine operation.

Fuel Distributor Valve

In the Fuel Distributor Valve, O-Ring Seals are used to prevent fuel leakage and ensure that fuel is evenly distributed to all cylinders, enhancing combustion efficiency.

Fuel Injection Pump

The Fuel Injection Pump relies on O-Ring Seals to maintain pressure within the fuel lines and prevent leaks, which is vital for consistent fuel injection timing and quantity.

Fuel Pump and Fuel Pump Kit

Both the Fuel Pump and Fuel Pump Kit use O-Ring Seals to ensure that fuel is pumped without leakage, maintaining the desired fuel pressure for optimal engine performance.

Gear Fuel Pump and Gear Fuel Pump Kit

These components utilize O-Ring Seals to prevent fuel leakage and ensure that the gear pump operates efficiently, delivering fuel under the correct pressure.

Injection Control Valve/Distributor

The Injection Control Valve/Distributor depends on O-Ring Seals to maintain the integrity of fuel pathways, ensuring precise fuel injection into the combustion chambers.

Integrated Fuel System Module Kit and Service/Repair Kit

These kits incorporate O-Ring Seals to ensure that all fuel system components are sealed properly, preventing leaks and maintaining system efficiency during both normal operation and repairs.

ISC ICV Kit and ISX Actuator

In these kits, O-Ring Seals are used to prevent fluid or air leaks at connection points, ensuring that the actuators operate under the correct conditions.

Metering Actuator

The Metering Actuator uses O-Ring Seals to maintain the integrity of fluid pathways, ensuring accurate metering and delivery of fluids or gases.

Pressure Regulator Valve

This valve relies on O-Ring Seals to prevent leaks and maintain the correct pressure within the system, ensuring consistent performance.

Stator Replacement Kit

In the Stator Replacement Kit, O-Ring Seals are used to ensure that the stator is properly sealed, preventing fluid ingress and maintaining electrical insulation.

Timing Actuator

The Timing Actuator incorporates O-Ring Seals to prevent leaks at connection points, ensuring that timing adjustments are made without fluid loss or contamination.

Conclusion

The Cummins 3867481 O-Ring Seal plays a vital role in the maintenance and efficiency of fluid systems within commercial trucks. Its design, compatibility with various Cummins engines, and application across multiple engine components highlight its importance in ensuring reliable and optimal engine performance. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.