3528221
Retaining Ring
Cummins®

The Cummins 3528221 Retaining Ring is a specialized component designed for use in commercial trucks. Its primary role is to secure various components in place within the truck’s mechanical systems, ensuring they function correctly and safely. This retaining ring is part of Cummins Inc.’s extensive lineup of high-quality parts aimed at enhancing the performance and reliability of commercial vehicles ².

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 exerting a constant pressure against the inner diameter of a bore or the outer diameter of a shaft, securing parts in place without the need for additional fasteners. There are two main types of retaining rings: internal and external. Internal retaining rings fit into grooves within a bore, while external ones fit over the outside of a shaft. These rings are widely used across various industries, including automotive, aerospace, and manufacturing, due to their simplicity, effectiveness, and ease of installation ¹.

Purpose and Function of the 3528221 Retaining Ring

The Cummins 3528221 Retaining Ring plays a specific role in the operation of commercial trucks by securing components within the engine and transmission systems. It ensures that parts remain in their designated positions, which is vital for the proper function and safety of the truck’s systems. By preventing components from shifting or dislodging, this retaining ring contributes to the overall reliability and performance of the vehicle ².

Key Features

The Cummins 3528221 Retaining Ring is engineered with several key features that enhance its performance and durability. It is typically made from high-strength steel, which provides the necessary resilience to withstand the rigors of commercial truck operation. The design specifications of this retaining ring include precise dimensions and a robust construction that ensures a secure fit. Additionally, it may feature unique attributes such as a corrosion-resistant coating, which extends its lifespan in harsh operating environments ².

Benefits

Using the Cummins 3528221 Retaining Ring offers several advantages. Its design contributes to improved reliability by ensuring components remain securely in place. The ease of installation is another significant benefit, as retaining rings can be quickly fitted or removed without specialized tools. Furthermore, the maintenance benefits of using this retaining ring include reduced downtime and lower repair costs, as it helps prevent component failure and the need for frequent replacements ².

Troubleshooting and Maintenance

Common issues with retaining rings may include deformation, corrosion, or improper installation. To troubleshoot these problems, it is important to inspect the ring for signs of wear or damage and ensure it is correctly seated in the groove. Regular maintenance practices, such as cleaning the grooves and inspecting the retaining ring during routine service intervals, can help ensure the longevity and proper function of the Cummins 3528221 Retaining Ring ².

About Cummins

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 itself as a trusted name in the automotive industry, particularly in the commercial truck sector. The company is committed to quality and innovation, continuously developing new technologies and solutions to meet the evolving needs of its customers. Cummins’ expertise in manufacturing commercial truck parts, including the 3528221 Retaining Ring, underscores its dedication to enhancing the performance, reliability, and safety of commercial vehicles ².

Integration with Specific Engines

The Cummins part 3528221, a Retaining Ring, is a critical component in several engine configurations. This part is designed to secure and stabilize various engine parts, ensuring optimal performance and longevity. Here is how it fits with the specified engines:

• 15N CM2380 M104B, 4B3.9, 6B5.9, 6C8.3, B3.3, B4.5, B5.6, B5.9, B6.7, F3.8, F4.5: The Retaining Ring 3528221 is integral to these engines, providing essential support and alignment for moving parts. It ensures that components such as bearings and shafts remain in place, reducing wear and preventing mechanical failure.

• CM2670 B152B, CM2670 B153B, CM2670 B164C, CM2670 B166C: In these engines, the Retaining Ring 3528221 plays a crucial role in maintaining the integrity of the crankshaft and connecting rods. Its precise fit and robust design are vital for the smooth operation of these high-performance engines.

• CMOH6.0 B125, G8.3, D4.0 CM2620 D103B, F2.8 CM2620 F135B, F3.8 CM2350 F120B, F3.8 CM2350 F128C, F3.8 CM2620 F137B, F3.8 F102, F4.5 CM2620 F139B, F4.5 CM2620 F141C: For these engines, the Retaining Ring 3528221 is essential for the proper functioning of the turbocharger and other high-speed components. It helps to keep these parts securely in place, enhancing the engine’s efficiency and reliability.

• C GAS PLUS CM556, B5.9 GAS PLUS CM556: In these gas-powered engines, the Retaining Ring 3528221 ensures that the gas injection system components are properly aligned and secured, contributing to the engine’s overall performance and fuel efficiency.

• B5.9 G, C8.3 G: For these gas engines, the Retaining Ring 3528221 is crucial in maintaining the alignment of the gas injection system and other critical components, ensuring smooth operation and reducing the risk of mechanical issues.

Each of these engines relies on the Retaining Ring 3528221 to maintain the alignment and stability of various parts, contributing to the overall performance and durability of the engine ².

Role of Part 3528221 Retaining Ring in Engine Systems

The retaining ring, identified by part number 3528221, is an essential component in various engine systems, ensuring the secure assembly and operation of multiple parts. Here’s how it integrates with different components:

• Actuator Kit and Actuator Service Kit: The retaining ring is used to hold the actuator components in place, ensuring that the actuator functions correctly by maintaining the precise alignment of internal parts.

• Wastegate Turbocharger and Heat Exchanger: In wastegate turbochargers and heat exchangers, the retaining ring secures the turbine housing to the wastegate, preventing any unwanted movement that could affect performance or lead to failure.

• Turbine Housing and Pre-set Turbine Housing Kit: The retaining ring plays a key role in securing the turbine housing to the turbocharger, ensuring a tight seal and proper operation of the turbocharger system.

• Turbocharger Actuator and Actuator Kit: Within the turbocharger actuator, the retaining ring ensures that the actuator components remain in the correct position, allowing for accurate control of the turbocharger’s operation.

• Mounting Kit and Assembly Kit: These kits often include the retaining ring to secure various components during the assembly process, ensuring that all parts are correctly aligned and fastened.

• Aftermarket Turbocharger and Turbocharger Core Repair Kit: In aftermarket turbochargers and repair kits, the retaining ring is vital for securing new or replacement parts, ensuring they function as intended within the engine system.

• Wastegate Actuator Kit and W/G Actuator Repair Kit: These kits utilize the retaining ring to secure the actuator components, guaranteeing that the wastegate operates efficiently and responds accurately to engine conditions.

• Turbocharger Campaign Kit and Turbocharger Repair Kit: In these kits, the retaining ring is used to secure repaired or replacement parts, ensuring that the turbocharger system is reassembled correctly and functions optimally.

The retaining ring’s role across these components underscores its importance in maintaining the integrity and performance of engine systems ².

Conclusion

The Cummins 3528221 Retaining Ring is a vital component in the maintenance and operation of commercial truck engines. Its design and features ensure the secure assembly and operation of various engine parts, contributing to the overall reliability and performance of the vehicle. Regular maintenance and proper installation are essential to maximize the benefits of this retaining ring, ensuring the longevity and efficiency of the engine systems it supports ².