4939928
Male Adapter Elbow
Cummins®

Introduction

The Male Adapter Elbow 4939928, manufactured by Cummins, is a vital component in the fluid systems of commercial trucks. This part ensures the efficient operation of various truck systems by facilitating the connection between different sections of the fluid system at an angle ¹.

Basic Concepts of Male Adapter Elbows

A Male Adapter Elbow is a fitting used in fluid systems to connect two pipes at an angle. It redirects fluid flow within a system, ensuring that the fluid reaches its intended destination without obstruction. These fittings are essential for maintaining the integrity and efficiency of fluid transfer systems in trucks ².

Purpose of the 4939928 Male Adapter Elbow

The 4939928 Male Adapter Elbow enables the connection between different sections of the fluid system at an angle. It is used in various truck systems, including fuel, hydraulic, and coolant systems, to ensure a smooth transition of fluids and efficient system operation ³.

Key Features

This part is constructed from durable materials that can withstand the pressures and temperatures typical of truck fluid systems. Its design includes precise threading and an angled connection, which are essential for its function. Additionally, it may incorporate unique technological aspects such as corrosion-resistant coatings or enhanced sealing mechanisms to improve performance and longevity ⁴.

Benefits

Utilizing the 4939928 Male Adapter Elbow offers several advantages. It contributes to the efficiency of fluid systems by ensuring a smooth and uninterrupted flow. Its durable construction and reliable design enhance the overall reliability of truck operations. Furthermore, the part’s ability to withstand harsh conditions ensures that it maintains performance over time, reducing the need for frequent replacements ⁵.

Installation Considerations

Proper installation of the 4939928 Male Adapter Elbow is vital for its effective function. Installation procedures should follow manufacturer guidelines to ensure a secure and leak-free connection. This may involve using specific tools for tightening and ensuring that the fitting is correctly aligned with the pipes it connects. Attention to these details during installation can prevent issues such as leaks or inefficient fluid flow ⁶.

Common Applications

The 4939928 Male Adapter Elbow is used in a variety of truck systems and configurations. It is commonly applied in fuel systems to connect fuel lines, in hydraulic systems for fluid power transmission, and in coolant systems to facilitate the circulation of coolant. Its versatility makes it a valuable component across different truck models and applications ⁷.

Troubleshooting and Maintenance

Identifying and resolving common issues with the 4939928 Male Adapter Elbow can help maintain its performance and longevity. Regular inspections for signs of wear, corrosion, or leaks are recommended. Maintenance practices may include cleaning the fitting, checking for proper alignment, and ensuring that connections are tight. Addressing these aspects can prevent more significant problems and ensure the efficient operation of truck systems ⁸.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. Its product range includes engines, filtration systems, and components like the 4939928 Male Adapter Elbow, all designed to enhance the performance and reliability of commercial vehicles ⁹.

Compatibility with Cummins Engines

The Male Adapter Elbow (4939928) is compatible with the following Cummins engines:

• QSB6.7 M CM2250
• QSC8.3 CM850 (CM2850)

QSB6.7 M CM2250

In the QSB6.7 M CM2250 engine, the Male Adapter Elbow (4939928) is used to connect different sections of the engine’s fuel and exhaust systems. Its precise fit and robust construction ensure that it can withstand the high pressures and temperatures typical of this engine model. This part plays a role in maintaining the integrity of the connections, thereby preventing leaks and ensuring efficient operation ¹⁰.

QSC8.3 CM850 (CM2850)

Similarly, for the QSC8.3 CM850 (CM2850) engine, the Male Adapter Elbow (4939928) is essential for linking various components of the engine’s systems. Given the larger size and higher power output of this engine model, the adapter must be able to handle greater stress and pressure. The design of this part ensures that it can maintain a secure connection, contributing to the engine’s overall reliability and performance ¹¹.

Role of Part 4939928 Male Adapter Elbow in Engine Systems

The 4939928 Male Adapter Elbow is a versatile component that facilitates the connection between various engine system components, ensuring efficient fluid transfer and system integrity.

Drain Systems

In drain systems, the Male Adapter Elbow is employed to connect the drain valve to the plumbing, allowing for the controlled release of fluids from the engine. This connection is essential for routine maintenance and ensures that the engine operates within optimal parameters by preventing fluid buildup that could lead to contamination or system failure ¹².

Remote Oil Systems

For remote oil systems, the Male Adapter Elbow plays a significant role in linking the remote oil filter housing to the engine’s oil passages. This setup allows for easier access to the oil filter during maintenance, reducing downtime and enhancing the efficiency of oil changes. The adapter ensures a secure connection, maintaining the integrity of the oil filtration process and contributing to the longevity of the engine ¹³.

Plumbing Applications

In plumbing applications, the Male Adapter Elbow is used to change the direction of fluid flow within the system. This is particularly useful in compact engine compartments where space is at a premium. By allowing pipes to turn corners, the adapter helps in organizing the layout of the plumbing, reducing the risk of kinks or stress on the pipes that could lead to leaks or reduced flow efficiency ¹⁴.

Marine Gear Oil Cooler

When integrated with a marine gear oil cooler, the Male Adapter Elbow connects the cooler to the engine’s lubrication system. This connection is vital for maintaining the optimal operating temperature of the gear oil, which is essential for the efficient operation of marine engines. The adapter ensures that the oil is effectively cooled before it is recirculated, enhancing the performance and reliability of the engine in demanding marine environments ¹⁵.

Conclusion

The 4939928 Male Adapter Elbow by Cummins is a critical component in the fluid systems of commercial trucks. Its durable construction, precise design, and versatile applications make it essential for maintaining the efficiency and reliability of truck operations. Proper installation, regular maintenance, and understanding its role in various engine systems are key to maximizing the benefits of this Cummins part.