4937839
Quick Disconnect Connector
Cummins®

Introduction

The 4937839 Quick Disconnect Connector, manufactured by Cummins, is a vital component in the automotive and heavy-duty truck industry. This connector is essential for facilitating efficient and safe connections and disconnections in various truck systems.

Basic Concepts of Quick Disconnect Connectors

Quick disconnect connectors are devices designed for rapid and secure joining and separation of components without the need for tools. They are commonly used in automotive fuel, air, and hydraulic systems. These connectors ensure a secure seal when connected and allow for quick release when needed, enhancing both safety and operational efficiency ¹.

Purpose of the 4937839 Quick Disconnect Connector

The 4937839 Quick Disconnect Connector is engineered to provide reliable connection points for various truck systems. Its applications include fuel lines, air brake systems, and hydraulic circuits. This connector ensures secure connections that can be quickly and safely disconnected, which is particularly beneficial during maintenance or emergency situations ².

Key Features

This Cummins part features a robust design with high-quality, corrosion-resistant materials, ensuring durability and reliability. Its easy-to-use locking mechanism provides a secure seal, and its design allows for quick disconnection without tools.

Benefits

Using the 4937839 Quick Disconnect Connector increases operational efficiency due to its rapid connection and disconnection capabilities. It also simplifies maintenance tasks, reduces the need for specialized tools, and minimizes the risk of system failures from loose connections ³.

Installation Process

To install this connector, ensure the system is depressurized and clean. Fit the connector onto the corresponding port using appropriate tools, ensuring a snug fit. Engage the locking mechanism to secure the connection. Follow safety precautions, such as wearing protective gloves and eyewear.

Troubleshooting Common Issues

Common issues with this connector may include difficulty in disconnection or a leaking seal. Ensure the locking mechanism is fully engaged or disengaged as appropriate. Inspect the connector for damage or debris if a leak is detected, and clean or replace it if necessary.

Maintenance Tips

Regular maintenance involves inspecting the connector for wear or damage, ensuring the locking mechanism functions correctly, and cleaning it to remove debris. Periodically test the seal integrity to maintain optimal performance.

Safety Considerations

When working with this connector, ensure the system is depressurized, use appropriate personal protective equipment, and follow all manufacturer guidelines to prevent accidents and ensure safe operation.

About Cummins

Cummins is a renowned manufacturer known for its commitment to quality and innovation in the automotive components industry. Their dedication to advancing technology and meeting customer needs underscores their leadership position.

Cummins Quick Disconnect Connector 4937839 Compatibility

The Cummins Quick Disconnect Connector part number 4937839 is designed for various Cummins engines, ensuring seamless integration and efficient operation. This part provides a reliable connection for various fluid lines, enhancing maintenance and repair processes.

Compatible Engines

• B6.7 CM2670 B153B
• ISB CM2150
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISBE CM2150
• ISBE4 CM850
• QSB4.5 CM2250 EC
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

This connector is particularly useful in engines requiring frequent servicing or where quick disconnection is necessary for maintenance. Its compatibility across these models ensures a consistent workflow without needing different parts for different engines.

Role of Part 4937839 Quick Disconnect Connector in Engine Systems

Part 4937839, the Quick Disconnect Connector, is integral to the seamless operation of various engine systems, particularly within the fuel system. This component facilitates efficient and secure connections between different parts of the fuel system, ensuring optimal performance and ease of maintenance.

Fuel System Integration

In the fuel system, the Quick Disconnect Connector links the fuel filter to the fuel lines. This connection is vital for maintaining consistent fuel flow from the tank to the engine. The connector allows for quick and easy detachment and reattachment, which is particularly beneficial during routine maintenance or when replacing the fuel filter.

Fuel Filter Location and Plumbing

The Quick Disconnect Connector is often situated at the inlet and outlet points of the fuel filter, enabling straightforward access for service technicians. This placement ensures that the fuel filter can be efficiently isolated from the fuel lines without complex disassembly.

The connector also simplifies the fuel filter plumbing process. By providing a secure yet easily detachable connection, it reduces the risk of fuel leaks and ensures that the fuel lines remain intact during maintenance procedures. This is especially important in high-pressure fuel systems where any disruption can lead to performance issues or safety hazards.

Accessories and Maintenance

Beyond its primary function within the fuel system, the Quick Disconnect Connector is compatible with various accessories. These may include diagnostic tools or additional fuel system components that require temporary connection to the fuel lines. The ease of use offered by this connector makes it a preferred choice for both professional mechanics and DIY enthusiasts.

Conclusion

The 4937839 Quick Disconnect Connector enhances the functionality and maintainability of engine systems by providing reliable and convenient connections within the fuel system. Its application in fuel filter locations and plumbing ensures that maintenance tasks are performed efficiently and safely.