4349739
Retaining Ring
Cummins®

The 4349739 Retaining Ring, manufactured by Cummins, is a component used in commercial trucks. Cummins is a well-established manufacturer known for its quality and innovation in the automotive industry. Retaining rings play a role in mechanical systems by securing components in place, ensuring the proper functioning and longevity of the machinery ¹.

Basic Concepts of Retaining Rings

Retaining rings, also known as circlips, are mechanical fasteners that secure components within a housing or on a shaft. They function by exerting a radial force that holds parts in position, preventing them from moving out of place. This is particularly important in dynamic systems where vibrations and operational stresses could otherwise dislodge components ².

Purpose of the 4349739 Retaining Ring in Truck Operations

This Cummins part is designed to play a specific role in the operation of commercial trucks. It is associated with various systems or components within the truck, ensuring that parts remain securely in place under operational conditions. This retaining ring is typically used in applications where maintaining the position of a component is crucial for the system’s performance and reliability.

Key Features of the 4349739 Retaining Ring

The 4349739 is characterized by its design and material properties, which include durability, resistance to wear, and ease of installation. These features make it suitable for the demanding environments found in commercial truck operations. The material selection ensures that the ring can withstand the stresses and temperatures encountered in truck applications, while its design allows for straightforward installation and removal when necessary ³.

Benefits of Using the 4349739 Retaining Ring

Utilizing this part offers several advantages in truck maintenance and operation. These include enhanced reliability, prolonged component longevity, and improved performance. The ring’s design and material contribute to these benefits by ensuring that components remain securely in place, reducing the likelihood of operational failures and the need for frequent maintenance.

Installation and Usage Guidelines

Proper installation of the 4349739 involves several steps to ensure effectiveness and safety. The process requires specific tools, such as retaining ring pliers, to correctly position and secure the ring. Best practices include inspecting the ring and the installation site for any defects or debris that could affect performance, ensuring a snug fit without over-tightening, and verifying the ring’s position after installation.

Troubleshooting Common Issues

Typical problems with retaining rings may include displacement or damage. These issues can often be diagnosed through visual inspection or by observing operational symptoms such as unusual noises or vibrations. Resolution methods may involve replacing the retaining ring, ensuring proper installation techniques are followed, or addressing underlying issues that may have contributed to the ring’s failure.

Maintenance Tips

Regular inspection and maintenance of the 4349739 are recommended to prolong its service life and ensure continued reliable performance. This includes checking for signs of wear or damage during routine maintenance checks, ensuring that the ring remains properly seated, and replacing it as necessary to prevent operational issues.

Cummins: A Brief Overview

Cummins is a manufacturer with a strong reputation in the industry for quality and innovation. The company has a history of producing reliable automotive components, including the 4349739. Cummins’ commitment to quality is evident in its rigorous testing and quality control processes, ensuring that its products meet the high standards required for commercial truck applications ⁴.

Cummins Part 4349739: Retaining Ring Compatibility

The Cummins part number 4349739, a Retaining Ring, is designed to fit seamlessly within the specified engine models. This retaining ring is a critical component that ensures the proper alignment and stability of various engine parts, contributing to the overall efficiency and longevity of the engine.

Engine Compatibility

The retaining ring part 4349739 is compatible with the following Cummins engine models:

• QSK95 CM2350 K111
• QSK95 CM2350 K113

These engines are part of Cummins’ QSK95 series, known for their robust performance and reliability in various industrial applications. The retaining ring is engineered to meet the specific requirements of these engines, ensuring a precise fit and optimal functionality.

Installation and Functionality

The retaining ring part 4349739 plays a vital role in maintaining the integrity of the engine’s internal components. It is typically installed in areas where it needs to secure rotating parts, prevent misalignment, and reduce wear and tear. The design of this retaining ring ensures that it can withstand the high stresses and operational conditions typical of these Cummins engines.

Importance in Engine Performance

The proper installation of the retaining ring part 4349739 is essential for the following reasons:

• Prevents Component Misalignment: Ensures that rotating parts remain aligned, reducing the risk of mechanical failure.
• Enhances Durability: By securing parts in place, it helps in prolonging the lifespan of the engine.
• Improves Efficiency: A well-fitted retaining ring contributes to smoother engine operation, enhancing overall efficiency.

By using the Cummins part number 4349739, engine operators can be assured of a component that is specifically designed to fit and function optimally within the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines.

Role of Part 4349739 Retaining Ring in Engine Systems

In the context of engine maintenance and repair, the 4349739 retaining ring is an essential component that ensures the secure assembly of various parts within the engine system. Its application is particularly significant in the following components:

Lubricating Oil Pump

The lubricating oil pump is a vital component responsible for circulating oil throughout the engine to reduce friction and wear on moving parts. The 4349739 retaining ring plays a role in securing the internal components of the pump, such as gears or rotors, ensuring they remain in place during operation. This helps maintain the pump’s efficiency and reliability, contributing to consistent oil flow and pressure.

Lubricating Oil Pump Kit

A lubricating oil pump kit typically includes various parts needed to repair or overhaul the oil pump. The 4349739 retaining ring is often included in such kits to facilitate the reassembly process. It ensures that all components are correctly positioned and secured, which is essential for the pump’s optimal performance and longevity.

Oil Pump Repair Kit

An oil pump repair kit is designed to address common issues that may arise with the oil pump, such as wear and tear on gears or seals. The 4349739 retaining ring is a key component in these kits, used to reassemble the pump after repairs. Its proper installation is vital for ensuring that the repaired pump functions as intended, providing reliable oil circulation.

Service Kit

A service kit for an engine typically includes a variety of components needed for routine maintenance or overhaul. The 4349739 retaining ring is often part of these kits, used in the reassembly of various engine components, including the oil pump. Its role in securing parts ensures that the engine can operate smoothly and efficiently after servicing.

Conclusion

The 4349739 Retaining Ring by Cummins is a critical component in the maintenance and operation of commercial trucks and engines. Its design and material properties ensure durability, resistance to wear, and ease of installation, contributing to the reliability and efficiency of the machinery. Proper installation, regular maintenance, and understanding its role in engine systems are essential for maximizing the performance and longevity of the equipment.