3085759
O-Ring Plug
Cummins®

Introduction

The Cummins 3085759 O-Ring Plug is a specialized component designed for use in commercial truck maintenance. This part is integral to ensuring the proper functioning of various systems within a truck, particularly in the engine and fuel systems. Its role is to provide a reliable seal, preventing leaks and ensuring the system operates efficiently.

Basic Concepts of O-Ring Plugs

O-ring plugs are sealing components commonly used in mechanical systems to prevent fluid or gas leakage. They consist of a circular ring made from elastomeric materials, which deforms under compression to create a seal when installed in a groove. O-ring plugs are widely utilized in various applications, including automotive, aerospace, and industrial machinery, due to their effectiveness in sealing dynamic and static applications ¹.

Purpose of the Cummins 3085759 O-Ring Plug

The Cummins 3085759 O-Ring Plug serves a specific function within the truck’s engine or fuel system. It is designed to seal openings or passages where fluids or gases need to be contained. By ensuring a tight seal, this O-ring plug helps maintain system integrity, preventing leaks that could lead to performance issues or safety hazards ⁴.

Key Features

The Cummins 3085759 O-Ring Plug is characterized by several key features that enhance its performance. It is made from high-quality elastomeric materials, ensuring durability and resistance to various operating conditions. The design specifications of this O-ring plug include precise dimensions to fit snugly into the designated grooves, providing an effective seal. Additionally, it may possess unique attributes such as resistance to specific chemicals or temperatures, depending on the application requirements ².

Benefits

Utilizing the Cummins 3085759 O-Ring Plug offers several advantages. It provides improved sealing efficiency, which is crucial for maintaining system performance and preventing leaks. The durability of the material ensures long-lasting use, even under demanding conditions. Furthermore, its resistance to various operating conditions, including temperature fluctuations and exposure to chemicals, enhances its reliability and effectiveness in commercial truck applications ³.

Installation and Usage

Proper installation of the Cummins 3085759 O-Ring Plug is vital to ensure it functions correctly. Before installation, it is important to clean the groove where the O-ring will be placed to remove any debris or contaminants that could compromise the seal. Using the appropriate tools, the O-ring should be carefully seated into the groove without twisting or damaging it. Following manufacturer guidelines for torque specifications and any additional preparatory steps will help ensure a secure and effective seal ⁴.

Troubleshooting and Maintenance

Common issues with O-ring plugs include leaks due to wear, damage, or improper installation. Diagnosing problems may involve inspecting the O-ring for signs of wear or damage and checking the groove for cleanliness and proper seating. Regular maintenance, such as periodic inspection and replacement of the O-ring plug as needed, can help ensure longevity and optimal performance. Additionally, adhering to recommended service intervals and using high-quality replacement parts can prevent issues and maintain system efficiency ².

Compatibility and Applications

The Cummins 3085759 O-Ring Plug is designed for use in specific types of trucks and engine models. It is commonly applied in Cummins engines, where it plays a role in sealing critical components within the engine or fuel system. Specific application notes may include compatibility with certain engine series or model years, ensuring that the O-ring plug meets the precise requirements of the intended application ³.

Safety Considerations

When handling and installing the Cummins 3085759 O-Ring Plug, it is important to observe several safety practices. These include wearing appropriate personal protective equipment (PPE) to protect against any potential hazards. Additionally, ensuring that the work area is clean and free from contaminants will help prevent issues during installation. Following manufacturer guidelines and safety instructions will contribute to a safe and effective installation process ⁴.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the commercial truck industry. The company’s extensive product range includes engines for on-highway and off-highway applications, as well as components and systems that enhance performance and efficiency ³.

Compatibility of O-Ring Plug Part 3085759 with Cummins Engines

The O-Ring Plug part 3085759, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral for sealing and ensuring the integrity of the engine’s systems. Here’s a detailed look at its compatibility across different engine models:

K-Series Engines

• K19
• K38
• K50

The O-Ring Plug part 3085759 is compatible with the K-series engines, including the K19, K38, and K50. These engines are known for their robust design and are often used in various industrial applications.

KTA19 Series Engines

• KTA19GC
• KTA19GC CM558

The KTA19GC and KTA19GC CM558 engines also support the use of the O-Ring Plug part 3085759. These engines are typically used in power generation and marine applications, where reliability and durability are critical.

QSK19 Series Engines

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G

The QSK19 series engines, including the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM500, QSK19 CM850 MCRS, and QSK19G, are compatible with the O-Ring Plug part 3085759. These engines are widely used in heavy-duty trucking and construction equipment, known for their high performance and efficiency.

QSK38 Series Engines

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS

The QSK38 series engines, such as the QSK38 CM2150 MCRS and QSK38 CM850 MCRS, also fit the O-Ring Plug part 3085759. These engines are often utilized in large industrial and power generation applications.

QSK45 and QSK50 Series Engines

• QSK45 CM500
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108

The O-Ring Plug part 3085759 is also suitable for the QSK45 CM500 and QSK50 series engines, including the QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108. These engines are designed for heavy-duty applications, providing high power output and reliability.

This compatibility ensures that the O-Ring Plug part 3085759 can be effectively used across a broad range of Cummins engines, providing a reliable sealing solution for various industrial and commercial applications ³.

Role of Part 3085759 O-Ring Plug in Engine Systems

The part 3085759 O-Ring Plug is instrumental in ensuring the integrity and efficiency of various engine systems. In the manifold, this O-Ring Plug seals connections, preventing leaks that could compromise engine performance. Its application in the water system is similarly significant, where it maintains the seal at joints and connections, ensuring consistent water flow and pressure, which is essential for cooling and other hydraulic functions.

In plumbing applications, the O-Ring Plug is used to create watertight seals in various connections, contributing to the overall reliability of the system. For the cabin heater, this component ensures that hot water or coolant flows without leakage, maintaining the efficiency of the heating system and ensuring a comfortable environment for occupants.

Overall, the part 3085759 O-Ring Plug plays a key role in maintaining seals across these systems, enhancing their performance and longevity ⁴.

Conclusion

The Cummins 3085759 O-Ring Plug is a critical component in maintaining the efficiency and reliability of commercial truck engine systems. Its high-quality construction, precise design, and compatibility with a wide range of Cummins engines make it an essential part for ensuring system integrity and preventing leaks. Proper installation, regular maintenance, and adherence to safety practices are vital for maximizing the performance and longevity of this O-ring plug.