3028349
O Ring Seal
Cummins®

Introduction

The Cummins 3028349 O Ring Seal is a component designed to ensure the integrity of fluid systems within commercial trucks. Its purpose is to provide a reliable seal in various applications, contributing to the efficient operation of the vehicle. The significance of this seal lies in its ability to prevent leaks and maintain system pressure, which is vital for the performance and longevity of truck components ¹.

Basic Concepts of O Ring Seals

An O Ring Seal is a type of gasket consisting of a toroidal piece of elastomer with a circular cross-section. It functions by creating a seal when compressed between two or more mating surfaces. O Ring Seals are widely used in mechanical systems to prevent the leakage of fluids and gases, ensuring that systems operate under the correct pressure and without contamination ².

Purpose of the Cummins 3028349 O Ring Seal

The Cummins 3028349 O Ring Seal plays a specific role in the operation of a truck by sealing connections in fluid systems. It is typically placed in areas where fluid transfer occurs, such as in fuel lines, hydraulic systems, or coolant passages. The seal’s function is to maintain a tight barrier that prevents fluid escape and ensures that the system operates efficiently ³.

Key Features

The Cummins 3028349 O Ring Seal is characterized by its material composition, usually a durable elastomer that can withstand a range of temperatures and pressures. Its design specifications include precise dimensions to ensure a proper fit within the truck’s systems. Unique characteristics may include resistance to specific chemicals or enhanced flexibility for better sealing performance.

Benefits

Utilizing the Cummins 3028349 O Ring Seal offers several advantages, including improved sealing efficiency which leads to reduced fluid loss and enhanced system performance. Its durability ensures a longer service life, contributing to the overall reliability of the truck’s systems. The seal’s design also aids in maintaining consistent system pressure, which is important for the optimal functioning of various truck components.

Installation Process

Proper installation of the Cummins 3028349 O Ring Seal involves several steps to ensure a correct fit. The process typically requires cleaning the mating surfaces, lubricating the seal, and carefully placing it into the groove without twisting or damaging it. Tools such as seal installation tools may be used to aid in the process and ensure that the seal is seated properly.

Troubleshooting Common Issues

Common problems with O Ring Seals include leaks due to wear or improper installation. Troubleshooting steps may involve inspecting the seal for signs of damage, checking the mating surfaces for cleanliness and proper alignment, and ensuring that the seal is correctly seated. Replacement of the seal may be necessary if any issues are detected.

Maintenance Tips

Regular maintenance of the Cummins 3028349 O Ring Seal is important to ensure its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning the seal and mating surfaces as needed, and replacing the seal according to manufacturer guidelines or when signs of degradation are present.

Compatibility with Cummins Engines

This Cummins part is designed to fit a variety of Cummins engines. Below is a detailed look at the compatibility of this part with specific Cummins engine models.

M11 Series Engines

• M11 CELECT PLUS
• M11 MECHANICAL

QSK19 Series Engines

• QSK19 CM500
• QSK19G

QSK45 Series Engines

• QSK45 CM500

QSK50 and QSK60 Series Engines

• QSK50 CM2350 K108
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60 G CM2358 K110
• QSK60G
• QSK95 CM2350 K111
• QSK95 CM2350 K113

X15 Series Engines

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

By ensuring that the O Ring Seal part 3028349 is correctly installed in these engines, operators can maintain the integrity of their engine seals, preventing leaks and ensuring optimal engine performance.

Role of Part 3028349 O Ring Seal in Engine Systems

The O Ring Seal, identified by part number 3028349, is integral to maintaining the integrity and efficiency of various engine components. Its application spans across several key areas within the engine system, ensuring that each component operates within optimal parameters.

Fuel System Components

In the Fuel Control Module, the O Ring Seal is utilized to prevent fuel leaks and maintain the precise fuel delivery required for efficient combustion. Similarly, within the Fuel Filter and Fuel Pump assemblies, it ensures that the fuel system remains sealed, preventing any contamination or loss of fuel pressure that could affect engine performance.

Lubrication System

For the HVT Injection Lubrication Oil Supply, the O Ring Seal is essential in maintaining the correct oil pressure and flow. This is particularly important for the moving parts within the system, such as the Rocker Lever and Rocker Lever Assembly, where lubrication is key to reducing friction and wear.

Rocker Lever System

In the Rocker Lever Kit and Rocker Lever Top Level Assembly Shaft, the O Ring Seal plays a role in sealing the connections between the various components. This ensures that there is no oil leakage, which could lead to insufficient lubrication and increased wear on the Rocker Top Level Assembly Lever.

Maintenance and Repair Tools

When it comes to maintenance and repair, tools such as the Slide Hammer Remover may incorporate O Ring Seals to ensure that they fit securely onto components like the Threaded Insert, facilitating easier and more effective removal processes.

High-Pressure Injection Systems

In advanced engine systems like the XPI JV System Cummins HD and XPI JV System Scania HD, the O Ring Seal is used in high-pressure environments to ensure that the fuel injection system remains sealed. This is vital for maintaining the high pressures required for efficient fuel atomization and combustion.

Electrical Components

Although not directly related to the fuel or lubrication systems, the Alternator Location may also utilize O Ring Seals in its mounting or connections to prevent electrical shorts and ensure that the alternator operates efficiently without interference from external elements.

Base Parts

Lastly, in the Base Parts of the engine, O Ring Seals are used to ensure that all connections and joints are sealed properly. This is important for maintaining the structural integrity of the engine and preventing any fluid leaks that could compromise engine performance.

Conclusion

In summary, the O Ring Seal (part 3028349) is a versatile component that plays a significant role in the efficient operation of various engine systems. Its application across different components underscores its importance in maintaining the overall performance and reliability of the engine.