4935805
O Ring Seal
Cummins®

The 4935805 O-Ring Seal, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, produces a range of parts and systems aimed at enhancing the performance and reliability of commercial vehicles. This part is specifically engineered to meet the demanding requirements of truck operations, ensuring efficient and reliable performance in various mechanical systems.

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. It operates by being compressed within a groove, forming a barrier that prevents the leakage of fluids or gases. O-Ring Seals are widely used in mechanical systems due to their simplicity, effectiveness, and versatility in creating reliable seals in a variety of applications ¹.

Purpose of the 4935805 O-Ring Seal in Truck Operations

This Cummins part plays a specific role in the operation of commercial trucks by ensuring the integrity of seals within the truck’s systems. It is typically located in areas where fluid or gas containment is necessary, such as in the engine, transmission, or hydraulic systems. Its function is to prevent leaks, maintain system pressure, and ensure the efficient operation of the truck’s components.

Key Features of the 4935805 O-Ring Seal

The design and material characteristics of the 4935805 O-Ring Seal make it well-suited for its intended application. It is crafted from materials that offer durability and resistance to a wide range of fluids and operational conditions. The seal is designed to withstand high pressures and temperatures, ensuring reliable performance in the demanding environment of commercial truck operations.

Benefits of Using the 4935805 O-Ring Seal

Utilizing the 4935805 O-Ring Seal in commercial trucks offers several advantages. It contributes to improved system reliability by ensuring effective seals, which helps in maintaining system pressure and preventing leaks. Additionally, the seal’s durability reduces the need for frequent replacements, leading to lower maintenance requirements. The enhanced performance of the truck’s components is also a notable benefit, as the seal helps in maintaining the efficiency and longevity of the systems it is part of ².

Installation and Maintenance Tips

Proper installation of the 4935805 O-Ring Seal is crucial for its effective function. This involves preparing the sealing surfaces to ensure they are clean and free from imperfections. Torque specifications should be followed to ensure the seal is properly compressed within its groove. Regular maintenance, including inspection for wear or damage, is recommended to ensure the longevity and proper function of the seal.

Troubleshooting Common Issues

Common problems associated with O-Ring Seals, such as leaks or failures, can often be traced back to installation errors or environmental factors. Diagnosing these issues involves inspecting the seal and its groove for signs of damage or improper fit. Resolving these issues may require reinstallation of the seal or addressing environmental factors that contribute to seal degradation.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s extensive product range and commitment to excellence make it a trusted name among commercial vehicle manufacturers and operators ³.

Compatibility of O-Ring Seal 4935805 with Cummins Engines

The O-Ring Seal part number 4935805, manufactured by Cummins, is designed to fit a variety of Cummins engines. This seal is crucial for maintaining the integrity of fluid systems within these engines, ensuring that there are no leaks and that the system operates efficiently.

ISB/ISD Series

• ISB/ISD 4.5 CM2150 B119
• ISB/ISD 6.7 CM2150 SN

These engines, part of the ISB/ISD series, utilize the O-Ring Seal 4935805 in various applications. The seal is typically used in areas where fluid containment is critical, such as in the fuel injection system or other fluid pathways.

ISBE Series

• ISBE CM2150
• ISBE4 CM850

The ISBE series engines also benefit from the O-Ring Seal 4935805. This seal is integral in maintaining the pressure and fluid integrity within the engine’s systems, ensuring optimal performance and longevity.

ISL Series

• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

The ISL series engines, including the ISL9 and ISL9.5, incorporate the O-Ring Seal 4935805 in their design. This seal is essential for preventing leaks in high-pressure fluid systems, ensuring the engine operates smoothly and efficiently.

ISM Series

• ISM11 CM876 SN

The ISM11 engine uses the O-Ring Seal 4935805 in critical areas where fluid containment is necessary. This seal helps maintain the engine’s performance by preventing leaks and ensuring that the fluid systems operate as intended.

ISX Series

• ISX15 CM2250 SN

The ISX15 engine, part of the ISX series, also relies on the O-Ring Seal 4935805. This seal is used in various fluid pathways within the engine, ensuring that the system remains sealed and operates efficiently.

ISZ Series

• ISZ13 CM2150 Z105

The ISZ13 engine incorporates the O-Ring Seal 4935805 in its design. This seal is crucial for maintaining the integrity of the fluid systems within the engine, ensuring that there are no leaks and that the engine operates at peak performance.

Role of Part 4935805 O-Ring Seal in Aftertreatment Systems

The O-Ring Seal, identified by part number 4935805, is instrumental in ensuring the integrity and efficiency of various aftertreatment components within engine systems.

In the aftertreatment device, the O-Ring Seal is utilized to create a secure seal between components, preventing the escape of exhaust gases and ensuring that the aftertreatment processes occur within a controlled environment. This is particularly important in maintaining the efficiency of catalytic converters and particulate filters.

Within the aftertreatment system, the O-Ring Seal plays a significant role in the connections between the diesel exhaust fluid (DEF) tank and other system components. It ensures that the DEF is delivered without leaks, which is essential for the proper functioning of the Selective Catalytic Reduction (SCR) system.

The doser pump, which injects DEF into the exhaust stream, relies on O-Ring Seals to maintain pressure and prevent DEF leakage. This ensures that the correct amount of DEF is dosed into the exhaust, optimizing the reduction of nitrogen oxides (NOx).

In the fluid doser system, O-Ring Seals are critical in the connections between the doser and the exhaust system. They help maintain the precise control of DEF injection, which is vital for compliance with emissions regulations.

Overall, the O-Ring Seal (part 4935805) is a fundamental component in the reliable operation of aftertreatment systems, contributing to the effectiveness of emissions control technologies in modern engine systems.

Conclusion

The 4935805 O-Ring Seal by Cummins is a critical component in the maintenance and operation of commercial trucks. Its role in preventing leaks, maintaining system pressure, and ensuring the efficient operation of various mechanical systems cannot be overstated. Proper installation and maintenance of this part are essential for the longevity and performance of commercial vehicles. Cummins’ commitment to quality and innovation is evident in the design and functionality of this O-Ring Seal, making it a reliable choice for truck operators and mechanics alike.