3638711
Retaining Ring
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$144.95 $172.49

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

Introduction

The Cummins 3638711 Retaining Ring is a specialized component designed for use in heavy-duty truck systems. Its purpose is to secure various parts within the truck’s mechanical systems, ensuring they remain in place under operational conditions. The significance of this retaining ring lies in its ability to enhance the reliability and performance of truck components, contributing to the overall efficiency and safety of the vehicle.

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 operate by fitting into a groove and exerting a retaining force that keeps parts in position. Retaining rings are essential in various mechanical systems, providing a simple yet effective solution for securing parts without the need for additional fasteners or complex assemblies 1.

Purpose of the 3638711 Retaining Ring

The Cummins 3638711 Retaining Ring plays a specific role in the operation of heavy-duty trucks. It is designed to secure components such as bearings, gears, and other parts within the truck’s transmission and engine systems. By ensuring these parts remain in place, the retaining ring contributes to the smooth operation and longevity of the truck’s mechanical systems. Its application extends to various truck systems, including the drivetrain and engine components, where it helps maintain alignment and prevent wear.

Key Features

The Cummins 3638711 Retaining Ring is characterized by several key features that enhance its functionality. It is typically made from high-strength steel, providing durability and resistance to wear. The design specifications of the ring include precise dimensions and a spring-like structure that allows it to fit securely into grooves. Additionally, the ring may feature unique attributes such as corrosion resistance, which further enhances its performance in demanding environments 2.

Benefits of Using the 3638711 Retaining Ring

The use of the Cummins 3638711 Retaining Ring offers several advantages in truck operations. It provides improved performance by ensuring components remain securely in place, reducing the risk of misalignment and wear. The ring’s durability and reliability contribute to the overall efficiency of the truck, while its design allows for easy installation and removal, facilitating maintenance procedures 3.

Installation Process

Proper installation of the Cummins 3638711 Retaining Ring is crucial for its effective function. The process involves using appropriate tools such as retaining ring pliers to place the ring into the designated groove. It is important to ensure the ring is seated correctly and that there is no excessive force applied during installation, which could damage the ring or the component it is securing. Following best practices for installation helps ensure the retaining ring performs its intended function reliably.

Common Issues and Troubleshooting

Common problems associated with retaining rings include improper seating, damage during installation, and wear over time. These issues can lead to component misalignment or failure. Troubleshooting tips include inspecting the ring and groove for damage before installation, using the correct tools to avoid excessive force, and regularly checking the ring’s condition during maintenance to address any signs of wear or damage promptly 4.

Maintenance Tips

Regular maintenance of the Cummins 3638711 Retaining Ring is important to ensure its longevity and optimal performance. This includes inspecting the ring during routine maintenance checks for signs of wear, corrosion, or damage. Care instructions may involve cleaning the ring and groove to remove any debris that could affect the ring’s fit or function. Adhering to recommended inspection intervals helps identify potential issues early, allowing for timely replacement or repair.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive and heavy-duty truck industry. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles and industrial applications.

Cummins Part 3638711: Retaining Ring Compatibility with Cummins Engines

The Cummins part 3638711, a Retaining Ring, is a critical component that ensures the proper functioning of various engine parts by maintaining their position and preventing unwanted movement. This retaining ring is compatible with several Cummins engines, including:

  • QSK38 Series Engines

    • QSK38 CM2150 MCRS
    • QSK38 CM850 MCRS
    • QSK60 CM850 MCRS
  • QSK50 Series Engines

    • QSK50 CM2150 MCRS
    • QSK50 CM2150 K107
    • QSK50 CM2350 K108
  • QSK95 Series Engines

    • QSK95 CM2350 K111
    • QSK95 CM2350 K113

The retaining ring is designed to fit snugly within the specified engine models, ensuring that it provides the necessary support and stability to the components it secures. Its compatibility across multiple engine models highlights its versatility and importance in maintaining engine integrity and performance.

Role of Part 3638711 Retaining Ring in Engine Systems

The retaining ring, identified by part number 3638711, is an essential component in ensuring the secure assembly and operation of various engine systems. Its primary function is to hold components in place, preventing them from dislodging or moving during engine operation.

Base Parts

In the context of base parts, the retaining ring is often used to secure bearings, gears, or other rotating components. By fitting into a groove on the shaft or housing, it ensures that these parts remain in their designated positions. This is particularly important for maintaining the alignment and balance of rotating assemblies, which are fundamental to the smooth operation of the engine.

Water Pump

For the water pump, the retaining ring plays a significant role in securing the impeller to the pump shaft. The impeller is responsible for moving coolant through the engine, and any movement or misalignment can lead to inefficient cooling or even pump failure. The retaining ring ensures that the impeller remains firmly attached, allowing for consistent and reliable coolant circulation.

Water Pump Kit

In a water pump kit, which typically includes the water pump, gaskets, and other necessary components, the retaining ring is used to secure various parts within the pump assembly. This includes not only the impeller but also other components such as seals and bearings. By ensuring that all parts are held in place, the retaining ring contributes to the overall durability and performance of the water pump kit, making it a vital element in the successful installation and operation of the pump.

Conclusion

The Cummins 3638711 Retaining Ring is a vital component in the maintenance and operation of heavy-duty truck engines. Its role in securing various engine parts ensures the smooth and reliable operation of the engine, contributing to the overall efficiency and safety of the vehicle. Proper installation, regular maintenance, and understanding its compatibility with different Cummins engine models are key to maximizing the benefits of this part.


  1. Martyr, A.J. (2007). Engine Testing: Theory and Practice: Third Edition. SAE International.

  2. Happian-Smith, Julian (2002). An Introduction to Modern Vehicle Design. Butterworth-Heinemann.

  3. Mom, Gijs (2023). The Evolution of Automotive Engineering: A Handbook. SAE International.

  4. Caines, Arthur J., Haycock, Roger F., & Hillier, John E. (2004). Automotive Lubricants Reference Book. SAE International.

SPECIFICATIONS

Notes
Item Not Shown In Art.
Package Dimensions
9.5 x 9.5 x 0.2 in
Weight
0.029 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.