3519641
Retaining Ring
Cummins®

The 3519641 Retaining Ring is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This retaining ring is specifically designed for use in commercial trucks, where it plays a role in securing various components within the engine system.

Basic Concepts of Retaining Rings

Retaining rings, also known as circlips, are mechanical fasteners that secure components in place within an assembly. They are commonly used in various mechanical systems to prevent parts from moving out of position. Retaining rings function by fitting into a groove and exerting a radial force that holds components in place ¹.

Purpose of the 3519641 Retaining Ring

The 3519641 Retaining Ring is utilized in commercial trucks to secure specific components within the engine system. It ensures that parts remain in their designated positions, which is vital for the proper operation and efficiency of the truck. This retaining ring supports various systems by maintaining the integrity of component placement, which can affect overall performance and reliability ².

Key Features

The 3519641 Retaining Ring is engineered with specific design and material characteristics to meet the demands of its application. It is made from high-quality materials that offer durability and resistance to wear. The design specifications of this retaining ring ensure a secure fit within the designated grooves, contributing to its effectiveness in commercial truck engines ³.

Benefits

Using the 3519641 Retaining Ring provides several advantages. It enhances the reliability of the engine system by ensuring components remain in place. The design of the ring allows for ease of installation, reducing downtime during maintenance procedures. Additionally, its durable construction contributes to lower maintenance requirements over time.

Installation Process

Proper installation of the 3519641 Retaining Ring involves several steps to ensure correct placement and function. First, the groove where the ring will be placed should be clean and free of debris. Using appropriate tools, the ring is then inserted into the groove, ensuring it is seated correctly to exert the necessary radial force. Careful attention to these steps ensures the retaining ring functions as intended.

Troubleshooting Common Issues

Common issues with retaining rings include displacement or wear, which can lead to component misalignment. To address these problems, regular inspections should be conducted to check the condition of the retaining ring. If wear or displacement is detected, the ring should be replaced to maintain the integrity of the engine system.

Maintenance Tips

To ensure the ongoing performance and longevity of the 3519641 Retaining Ring, regular inspections are recommended. Checking for signs of wear, corrosion, or displacement can help identify potential issues before they lead to more significant problems. Additionally, ensuring the grooves are clean and free of debris during inspections can contribute to the retaining ring’s effectiveness.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer with a long history in the automotive and heavy-duty truck industry. Known for their commitment to quality and innovation, Cummins produces a wide range of components designed to meet the rigorous demands of commercial applications. Their reputation is built on a foundation of reliable products and a dedication to advancing automotive technology.

Cummins Retaining Ring Part 3519641 Compatibility

The Cummins retaining ring part number 3519641 is a critical component designed to fit various Cummins engines. This part is essential for the proper functioning of the engine’s internal mechanisms by ensuring that certain parts remain securely in place. Below is a detailed description of the compatibility of this retaining ring with the listed engines:

Cummins QSK Series

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK45 CM500
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60G
• QSK78 CM500
• QSK95 CM2350 K111
• QST30 CM2350 T101
• QST30 CM552

The Cummins retaining ring part 3519641 is compatible with the QSK series engines, which include various models such as QSK19, QSK38, QSK45, QSK50, QSK60, QSK78, QSK95, and QST30. These engines are known for their robust performance and reliability, often used in heavy-duty applications.

Cummins K Series

• K19
• K38
• K50

The retaining ring part 3519641 is also compatible with the Cummins K series engines, including K19, K38, and K50. These engines are typically used in a variety of applications, from agricultural to industrial uses, and are valued for their durability and efficiency.

Cummins N14 MECHANICAL

• N14 MECHANICAL

The Cummins retaining ring part 3519641 fits the N14 MECHANICAL engine, which is a well-known model in the Cummins lineup. This engine is often used in heavy-duty trucks and industrial applications due to its powerful performance and reliability.

Cummins NH/NT 855

• NH/NT 855

The retaining ring part 3519641 is also compatible with the NH/NT 855 engine, which is commonly used in agricultural and construction equipment. This engine is known for its robust design and efficient performance.

By ensuring that the retaining ring part 3519641 is correctly installed, engine owners can maintain the integrity and performance of their engines, preventing potential issues related to part displacement or failure.

Role of Part 3519641 Retaining Ring in Engine Systems

The Part 3519641 Retaining Ring is an essential component in various engine systems, ensuring the secure placement and operation of multiple parts. Here’s how it integrates with the provided components:

• Turbocharger Systems: In turbochargers like the 49 State 444 Turbocharger, Core Turbocharger, and EBM Turbocharger, the retaining ring secures critical components such as the turbine wheel and compressor wheel within the housing. This ensures that these components remain in place under high-speed rotation and thermal stress.

• Heat Exchangers: For the Core Assembly Heat Exchanger 82 and Heat Exchanger 83 Core Assembly, the retaining ring plays a role in securing the fins and tubes. This helps maintain the structural integrity and efficiency of the heat transfer process.

• Piston and Connecting Rod Assembly: In the Connecting Rod and Piston and Engine Piston Kit, the retaining ring is used to secure circlips that hold the piston pins in place. This ensures smooth operation and prevents pin displacement during engine operation.

• Seal Kits: In seal kits like the HT4B/HC5A Seal Kit and Turbo Repair HC5A Kit, retaining rings are employed to hold seals in position, ensuring a tight fit and preventing leaks around moving parts.

• Fuel Systems: Within the Gear Fuel Pump Kit and Integrated Fuel System Module Service/Repair Kit, retaining rings secure components such as gears and springs, ensuring precise fuel delivery and system reliability.

• Core Assemblies and Overhaul Kits: In the Core Assembly Heat 80 and Overhaul High Pressure 70 Kit, retaining rings are utilized to secure various small components, ensuring they remain in the correct position during operation and maintenance.

• Turbocharger Repair Kits: In kits like the Kit Turbocharger Repair and Kit TA Luft Turbocharger, retaining rings are crucial for securing turbocharger components, facilitating easier repairs and maintenance.

• Onboard Spares and Main Bearing Set: The Kit On Board Spares and Main Bearing (Standard) Set use retaining rings to secure spare parts and main bearings, respectively, ensuring they are readily available and correctly positioned when needed.

• Intake Manifold and Rocker Housing: In the Intake Manifold and Rocker Housing, retaining rings help secure gaskets and seals, maintaining the integrity of the air intake system and valve train.

• Turbocharger Gasket Kit: In the Turbocharger Gasket Kit, retaining rings are used to hold gaskets in place, ensuring a proper seal between turbocharger components and preventing leaks.

The Part 3519641 Retaining Ring, through its applications across these components, contributes significantly to the reliability and efficiency of engine systems.

Conclusion

The 3519641 Retaining Ring by Cummins is a vital component in the maintenance and operation of commercial truck engines. Its role in securing various engine components ensures the reliability and efficiency of the engine system. Proper installation, regular maintenance, and timely replacement of this part are essential for the continued performance of heavy-duty engines.