3643019
Retaining Ring
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7.49 $8.91

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3643019 Retaining Ring is a specialized component designed for use in commercial trucks. Its primary function is to secure various parts within the truck’s mechanical systems, ensuring they remain in place under operational conditions. This retaining ring is integral to maintaining the integrity and efficiency of the truck’s components, contributing to overall vehicle performance and reliability 1.

Basic Concepts of Retaining Rings

Retaining rings, also known as circlips, are mechanical fasteners used to prevent components from moving along a shaft or within a housing. They are commonly employed in various mechanical systems to secure bearings, gears, and other parts. Retaining rings function by fitting into a groove and exerting a radial force that holds the component in place. This simple yet effective mechanism is essential for the proper functioning of many mechanical assemblies 2.

Purpose of the 3643019 Retaining Ring

The Cummins 3643019 Retaining Ring plays a specific role in the operation of commercial trucks. It is designed to secure components within the truck’s engine and transmission systems. By holding parts in place, it ensures that these components operate correctly and efficiently. The retaining ring is associated with critical systems, contributing to the smooth and reliable performance of the truck 3.

Key Features

The Cummins 3643019 Retaining Ring is characterized by several key features that enhance its functionality. It is typically made from high-strength materials, ensuring durability under demanding conditions. The design of the ring includes precise dimensions and a robust construction, allowing it to withstand significant forces without deformation. Additionally, the ring may feature unique attributes such as corrosion resistance, which further enhances its performance in various environments 1.

Benefits

Using the Cummins 3643019 Retaining Ring offers several advantages. Its high-strength material composition contributes to improved reliability, ensuring that components remain securely in place during operation. The design of the ring allows for ease of installation, reducing downtime during maintenance procedures. Furthermore, the ring’s durability and resistance to wear contribute to lower maintenance requirements, providing long-term cost savings for fleet operators 2.

Installation Process

Proper installation of the Cummins 3643019 Retaining Ring is crucial for ensuring its effectiveness. The process involves several steps:

  1. Ensure the groove where the ring will be installed is clean and free of debris.
  2. Use appropriate tools, such as retaining ring pliers, to place the ring into the groove.
  3. Verify that the ring is seated correctly and exerts the necessary radial force to secure the component.
  4. Conduct a visual inspection to confirm proper installation 3.

Common Issues and Troubleshooting

Typical problems with retaining rings may include displacement or damage due to wear and tear. If a retaining ring becomes dislodged or shows signs of damage, it should be replaced promptly to prevent further issues. Regular inspections during maintenance checks can help identify potential problems early, allowing for timely corrections 1.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3643019 Retaining Ring, regular inspection and maintenance are recommended. Inspect the ring during routine maintenance checks for signs of wear, corrosion, or damage. Clean the groove and surrounding areas to prevent debris from affecting the ring’s performance. Additionally, ensure that all associated components are in good condition to maintain the overall efficiency of the system 2.

Replacement Guidelines

Determining when to replace the Cummins 3643019 Retaining Ring involves assessing signs of wear or damage. If the ring shows significant corrosion, deformation, or if it no longer securely holds the component in place, replacement is necessary. Using genuine Cummins parts ensures compatibility and maintains the performance standards of the truck’s mechanical systems 3.

Cummins 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 is committed to innovation, quality, and customer satisfaction. The company’s extensive product range and dedication to excellence make it a trusted name in the commercial truck industry 1.

Cummins Engine Part 3643019: Retaining Ring Compatibility

The Cummins part 3643019, a Retaining Ring, is designed to fit seamlessly into various Cummins engine models. This retaining ring is a critical component that ensures the proper alignment and function of several engine parts. Below is a detailed description of its compatibility across different Cummins engines:

QSK45 CM500 and QSK60 CM500

The Retaining Ring part 3643019 is compatible with both the QSK45 CM500 and QSK60 CM500 engines. These engines are part of Cummins’ QSK series, known for their robust design and high performance. The retaining ring ensures that the engine’s internal components remain securely in place, preventing any misalignment that could lead to operational issues 2.

QSK60 CM850 MCRS and QSK78 CM500

The part 3643019 also fits the QSK60 CM850 MCRS and QSK78 CM500 engines. These engines are part of Cummins’ QSK series, which is designed for heavy-duty applications. The retaining ring plays a crucial role in maintaining the integrity of the engine’s components, ensuring smooth and reliable operation 3.

QSK95 CM2350 K111 and QSK95 CM2350 K113

For the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines, the Retaining Ring part 3643019 is an essential component. These engines are part of Cummins’ QSK95 series, which is known for its high power output and durability. The retaining ring ensures that the engine’s components are held firmly in place, contributing to the engine’s overall performance and longevity 1.

QST30 CM2350 T101 and QST30 CM552

Lastly, the Retaining Ring part 3643019 is compatible with the QST30 CM2350 T101 and QST30 CM552 engines. These engines are part of Cummins’ QST series, which is designed for a range of applications, from industrial to marine. The retaining ring is crucial for maintaining the alignment and stability of the engine’s components, ensuring efficient and reliable operation 2.

Role of Part 3643019 Retaining Ring in Engine Systems

The 3643019 Retaining Ring is an essential component in various engine systems, ensuring the secure attachment and proper functioning of several parts.

In the alternator system, the retaining ring is used to hold the alternator guard in place, protecting the alternator from external damage. It also plays a part in securing components within the alternator service kit, ensuring all parts are correctly positioned and function as intended.

For the belt system, the retaining ring is integral in the assembly of the belt guard and belt guard bracket. It helps maintain the structural integrity of the belt guard kit, ensuring the belt operates smoothly and efficiently.

In the compressor system, the retaining ring is employed in the compressor guard to keep it firmly in place, safeguarding the compressor from potential harm.

The cover plate and damper systems also benefit from the retaining ring. It secures the damper guard and damper guard bracket, contributing to the stability and effectiveness of the vibration damper.

Furthermore, in the drive alternator and guard alternator systems, the retaining ring ensures that the guard package remains intact, providing necessary protection to the alternator.

Lastly, in the power take-off flange cover and service kit, the retaining ring plays a role in maintaining the assembly’s integrity, while in the vibration isolator bracket, it ensures the bracket remains securely attached, reducing vibrations and enhancing engine performance 3.

Conclusion

The Cummins 3643019 Retaining Ring is a vital component in the maintenance and operation of commercial trucks. Its role in securing various engine and transmission components ensures the reliability and efficiency of the vehicle. Proper installation, regular maintenance, and timely replacement of this part are essential for optimal performance and longevity of the truck’s mechanical systems.


  1. Sully, F. K. (1998). Motor Vehicle Mechanics Textbook, Fifth Edition. Heinemann Professional Publishing.

  2. Lakshminarayanan, P. A., & Kumar, A. (2020). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer Nature.

  3. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

SPECIFICATIONS

Package Dimensions
2.0 x 2.0 x 0.1 in
Weight
0.003 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.