4942243
Retaining Ring
Cummins®

The Cummins 4942243 Retaining Ring is a specialized component designed for use in commercial trucks. Its primary purpose is to secure other parts within the engine or transmission system, ensuring they remain in place under operational conditions. This retaining ring is integral to maintaining the structural integrity and efficiency of the truck’s mechanical systems.

Basic Concepts of Retaining Rings

Retaining rings, also known as circlips, are mechanical fasteners that secure components within an assembly. They operate by fitting into a groove and exerting a radial force to hold parts in place. Retaining rings are widely used in various mechanical systems due to their simplicity, effectiveness, and ease of installation and removal ¹.

Purpose of the 4942243 Retaining Ring

The 4942243 Retaining Ring plays a specific role in the operation of commercial trucks. It is designed to secure components within the engine or transmission, preventing them from moving out of position during operation. This ensures that the mechanical systems function correctly and efficiently, contributing to the overall performance and reliability of the truck ³.

Key Features

The 4942243 Retaining Ring is characterized by several key features that enhance its performance. It is typically made from high-strength steel, which provides durability and resistance to wear. The design of the ring includes a spring-like structure that allows it to expand and contract, fitting securely into grooves without the need for additional fasteners. This design ensures a snug fit and reliable performance under various operational conditions ⁴.

Benefits

The advantages of using the 4942243 Retaining Ring include improved reliability, durability, and efficiency in truck operations. By securely holding components in place, it helps prevent mechanical failures and reduces the need for frequent maintenance. This contributes to the overall longevity and performance of the truck, making it a valuable component in commercial fleet management ².

Installation Process

Installing the 4942243 Retaining Ring involves several steps to ensure proper fit and function. First, the groove where the ring will be placed must be clean and free of debris. Using appropriate tools, such as retaining ring pliers, the ring is expanded and inserted into the groove. Care should be taken to ensure the ring is seated correctly and exerts the necessary radial force to hold the component in place. Proper installation is crucial for the ring to perform its intended function effectively ¹.

Troubleshooting and Maintenance

Common issues with retaining rings may include improper seating, deformation, or wear. To diagnose problems, inspect the ring for signs of damage or misalignment. Regular maintenance involves checking the condition of the retaining ring and ensuring it remains securely in place. If wear or damage is detected, the ring should be replaced to maintain the integrity of the mechanical system ⁴.

Compatibility and Application

The 4942243 Retaining Ring is commonly used in specific models and makes of trucks. Ensuring compatibility involves verifying the dimensions and specifications of the retaining ring against the requirements of the truck’s engine or transmission system. Proper compatibility ensures that the ring will fit correctly and perform its intended function without issues ².

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality engines and components. With a rich history of innovation and excellence, Cummins offers a wide range of products designed to enhance the performance and reliability of commercial vehicles. The company’s reputation for quality and durability makes its components, including the 4942243 Retaining Ring, a preferred choice for fleet managers and mechanics ².

Cummins Engine Retaining Ring 4942243 Compatibility

The Cummins part number 4942243, a Retaining Ring, is designed to fit a variety of Cummins engines. This retaining ring is a crucial component that ensures the proper alignment and function of various parts within the engine. Below is a detailed description of the engines with which this part is compatible:

B6.7 G CMOH6.0 B125

The B6.7 G CMOH6.0 B125 engine is part of the Cummins B Series family, known for its robust performance and reliability. The retaining ring 4942243 is integral to this engine, ensuring that the components it secures remain in place, contributing to the engine’s overall efficiency and longevity.

ISB5.9 G CM2180, ISB6.7 G CM2180 B118, ISL G CM2180

The ISB5.9 G CM2180, ISB6.7 G CM2180 B118, and ISL G CM2180 engines are part of the Cummins ISB and ISL Series, which are widely used in various applications due to their durability and power. The retaining ring 4942243 is essential in these engines, providing the necessary support and stability to the components it holds. This ensures that the engine operates smoothly and efficiently, maintaining its performance over time.

The compatibility of the retaining ring 4942243 across these engines highlights its versatility and importance in the Cummins engine lineup. Whether in the B Series or the ISB/ISL Series, this part plays a critical role in the engine’s functionality and reliability.

Role of Part 4942243 Retaining Ring in Engine Systems

The 4942243 retaining ring is an essential component in the assembly and maintenance of various engine systems. It ensures the secure positioning of components, thereby contributing to the overall efficiency and reliability of the engine.

Fuel Control System

In the fuel control system, the 4942243 retaining ring is utilized to hold the fuel control module in place. This ensures that the module remains securely attached to the fuel control unit, preventing any unwanted movement that could disrupt the precise fuel delivery required for optimal engine performance. The retaining ring’s role here is to maintain the integrity of the fuel control system, ensuring consistent and accurate fuel metering ³.

Fuel Control Module

When integrated with the fuel control module, the 4942243 retaining ring plays a significant role in securing the module within the engine’s fuel system. This security is vital for the module’s sensors and actuators to function correctly, providing the engine control unit (ECU) with accurate data for fuel management. The retaining ring helps in maintaining the module’s alignment and stability, which is essential for the module’s durability and performance over time ³.

Intake Manifold Cover

In the intake manifold system, the 4942243 retaining ring is employed to secure the intake manifold cover. This is important for sealing the manifold and ensuring that air enters the engine cylinders in a controlled and measured manner. The retaining ring prevents the cover from shifting or becoming dislodged, which could lead to air leaks and a subsequent decrease in engine efficiency. By keeping the intake manifold cover firmly in place, the retaining ring contributes to maintaining the engine’s air-fuel ratio, which is critical for combustion efficiency and overall engine performance ⁴.

Conclusion

The Cummins 4942243 Retaining Ring 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 truck’s mechanical systems. Proper installation, regular maintenance, and ensuring compatibility with specific engine models are crucial for the effective functioning of this part. The use of high-strength materials and its design features contribute to the durability and performance of the retaining ring, making it an indispensable part in the Cummins engine lineup.