3406947
O Ring Seal
Cummins®

The 3406947 O Ring Seal, manufactured by Cummins, is a component used in commercial trucks. Cummins is a well-established manufacturer known for its robust and reliable engine and component solutions for the trucking industry. Seals play a role in maintaining system integrity by preventing leaks and ensuring that fluids and gases remain contained within their designated pathways. The 3406947 O Ring Seal is designed to fulfill this function in specific applications within commercial trucks ¹.

Basic Concepts of O Ring Seals

An O Ring Seal is a type of gasket consisting of a ring with a circular cross-section. It is typically made from elastomers or rubber-like materials and is used to create a seal between two or more parts. The general structure of an O Ring Seal allows it to be compressed during installation, forming a tight seal that can withstand pressure and prevent leakage. Materials commonly used for O Ring Seals include nitrile rubber, silicone, and fluorocarbon, each offering different levels of resistance to chemicals, temperatures, and compression set ².

Purpose of the 3406947 O Ring Seal in Truck Operations

The 3406947 O Ring Seal plays a role in the operation of commercial trucks by ensuring the integrity of seals in various systems or components. It is associated with specific applications where maintaining a seal is crucial for the proper functioning of the truck’s systems. This may include fuel systems, hydraulic systems, or engine components where fluid containment is necessary.

Key Features of the 3406947 O Ring Seal

The 3406947 O Ring Seal is characterized by its design and material properties, which make it suitable for its intended applications. It is crafted from materials that offer durability and resistance to specific fluids encountered in truck operations. Additionally, it is designed to operate within a certain temperature range, ensuring reliable performance under varying conditions.

Benefits of Using the 3406947 O Ring Seal

Utilizing the 3406947 O Ring Seal provides several advantages. It contributes to improved system reliability by ensuring that seals remain intact, reducing the likelihood of leaks. This, in turn, can lead to reduced maintenance needs, as systems are less prone to failure due to seal issues. Furthermore, the enhanced performance of associated truck components can be attributed to the reliable sealing provided by the 3406947 O Ring Seal.

Installation Considerations

Proper installation of the 3406947 O Ring Seal is vital to ensure optimal performance and longevity. Guidelines provided by Cummins should be followed to achieve the best results. This may include using specific tools or following recommended procedures to ensure that the seal is correctly positioned and compressed during installation.

Troubleshooting Common Issues

Typical problems that may arise with O Ring Seals, such as leaks or failures, can often be traced back to installation issues or environmental factors. Diagnostic actions may involve inspecting the seal for signs of wear, checking for proper installation, and assessing the condition of the surrounding components. Remedial actions could include replacing the seal, ensuring correct installation, or addressing any environmental factors that may be contributing to the issue.

Maintenance Tips

Regular inspection and maintenance of the 3406947 O Ring Seal are recommended to prolong its service life and maintain system efficiency. This may involve periodic checks for signs of wear or damage, ensuring that the seal remains properly seated, and addressing any issues promptly to prevent system failures.

Cummins: A Brief Overview

Cummins is a manufacturer with a history of providing reliable engine and component solutions for the commercial truck industry. The company offers a wide range of products designed to meet the demanding requirements of truck operations. Cummins has established a reputation for quality and durability, making it a trusted name in the industry ³.

Cummins Engine Part 3406947 O Ring Seal Compatibility

The Cummins part 3406947, an O Ring Seal, is a crucial component in maintaining the integrity of various engine systems. This seal is designed to fit seamlessly within a range of Cummins engines, ensuring that there are no leaks or unwanted fluid movement, which can lead to performance issues or engine damage.

Engine Compatibility

• B6.7 CM2670 B153B
• ISBE CM2150
• ISBE4 CM850
• ISC8.3 CM2250
• ISL9 CM2250
• ISM CM570
• ISX12 CM2350 X102
• ISX12/ISX11.9 CM2250
• ISX15 CM2250
• ISX15 CM2350 X101
• M11 CELECT PLUS
• M11 MECHANICAL
• QSC9 CM2250/QSL9 CM2250
• QSG12/X12 CM2350 G110
• QSK95 CM2350 K111
• QSK95 CM2350 K113
• QSL9 CM2250
• QSM11 CM570
• QSX11.9 CM2250 ECF
• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105
• X12 CM2350 X119B
• X15 CM2350 X116B
• X15 CM2450 X134B

This O Ring Seal is engineered to fit within the specified dimensions and tolerances required by these engines, ensuring a perfect seal where it is most needed. The seal’s material is chosen for its durability and resistance to the various fluids and conditions it will encounter, providing long-lasting performance and reliability.

Grouping of Compatible Engines

The O Ring Seal part 3406947 is compatible with a variety of Cummins engines, grouped primarily by their model series and specifications:

• ISBE Series: ISBE CM2150, ISBE4 CM850
• ISC/ISL Series: ISC8.3 CM2250, ISL9 CM2250
• ISM/ISX Series: ISM CM570, ISX12 CM2350 X102, ISX12/ISX11.9 CM2250, ISX15 CM2250, ISX15 CM2350 X101
• M11 Series: M11 CELECT PLUS, M11 MECHANICAL
• QSC/QSL/QSK/QSM/QSX Series: QSC9 CM2250/QSL9 CM2250, QSG12/X12 CM2350 G110, QSK95 CM2350 K111, QSK95 CM2350 K113, QSL9 CM2250, QSM11 CM570, QSX11.9 CM2250 ECF, QSX15 CM2250, QSX15 CM2250 ECF, QSX15 CM2350 X105
• X12/X15 Series: X12 CM2350 X119B, X15 CM2350 X116B, X15 CM2450 X134B

This grouping helps in understanding the broad application of the part across different engine models, facilitating easier maintenance and repair processes.

Role of Part 3406947 O Ring Seal in Engine Systems

The part 3406947 O Ring Seal is integral to maintaining the integrity and efficiency of various engine systems. It ensures that connections remain sealed, preventing leaks and maintaining pressure where necessary.

Connecting Rod and Piston

In the assembly of the connecting rod and piston, the O Ring Seal is positioned to create a tight seal between the rod and the piston. This seal is essential for maintaining the lubrication necessary for smooth operation and reducing wear on these components.

Cylinder Head

When installed in the cylinder head, the O Ring Seal prevents coolant or oil leaks, ensuring that the engine operates within optimal temperature ranges. This is particularly important in high-performance engines where thermal management is key.

Filter Head Adapter

In the filter head adapter, the O Ring Seal ensures that the filtration system remains sealed. This is vital for the efficient operation of the full flow oil filter and lubricating oil filter head kit, as any leaks could compromise the filtration efficiency and lead to contaminated oil.

Flywheel Housing

Within the flywheel housing, the O Ring Seal plays a role in sealing the interface between the housing and other components. This helps in maintaining the integrity of the lubrication system and preventing any oil leaks that could affect the performance of the flywheel.

Full Flow Oil Filter

The O Ring Seal is used in the full flow oil filter to ensure a secure connection between the filter and the engine block. This seal is important for maintaining the pressure within the oil system, ensuring that oil is effectively circulated throughout the engine.

Lubricating Oil Filter Head Kit

In the lubricating oil filter head kit, the O Ring Seal ensures that the filter head is securely attached to the engine. This seal is necessary for maintaining the pressure in the lubrication system, which is essential for the proper functioning of all moving parts within the engine.

Oil Filter Cooler Head

For the oil filter cooler head, the O Ring Seal is used to create a leak-proof connection. This is important for maintaining the efficiency of the cooling system, ensuring that the oil is effectively cooled before it is recirculated through the engine.

Performance Parts

In performance parts, the O Ring Seal is often used to enhance the sealing capabilities of high-stress areas. This is particularly important in aftermarket performance parts where the engine may be operating at higher pressures and temperatures than standard.

Product Installation Package

When included in a product installation package, the O Ring Seal ensures that all components are properly sealed upon installation. This is important for the initial setup of the engine, ensuring that there are no leaks and that all systems are operating efficiently from the start.

Conclusion

The 3406947 O Ring Seal is a critical component in the maintenance and operation of Cummins engines across various commercial truck applications. Its role in preventing leaks, maintaining system integrity, and ensuring efficient operation underscores its importance in the trucking industry. Proper installation, regular maintenance, and prompt troubleshooting of issues are essential to maximize the performance and longevity of this Cummins part.