4988129
Quick Disconnect Connector
Cummins®

Introduction

The Cummins 4988129 Quick Disconnect Connector is a specialized component designed for use in commercial truck operations. It facilitates the efficient and secure connection and disconnection of fluid transfer systems, which are integral to the operation of these vehicles. This connector enhances the ease of maintenance and operational efficiency of commercial trucks.

Basic Concepts of Quick Disconnect Connectors

Quick disconnect connectors are devices used to join two pipes or hoses quickly and easily without the need for tools. They are widely employed in automotive and industrial applications where fluid transfer systems are present. These connectors allow for rapid connection and disconnection, which is particularly useful in maintenance and repair scenarios where time efficiency is crucial ¹.

Purpose of the Cummins 4988129 Quick Disconnect Connector

The Cummins 4988129 Quick Disconnect Connector is specifically designed for use in commercial trucks. It plays a role in the fluid transfer systems by enabling quick and secure connections, which are vital for the efficient operation of these vehicles. This connector is used in various fluid systems, including fuel, hydraulic, and coolant systems, where reliable and rapid connections are necessary ².

Key Features

The Cummins 4988129 Quick Disconnect Connector is characterized by several key features that enhance its performance and reliability. Its design incorporates robust materials that withstand the demanding conditions of commercial truck operations. The connection mechanism is engineered to provide a secure seal, minimizing the risk of leaks. Additionally, the connector is designed for ease of use, allowing for quick and tool-free connections and disconnections.

Benefits

The Cummins 4988129 Quick Disconnect Connector offers several advantages. It simplifies the maintenance process by allowing for quick connections and disconnections, thereby saving time during repairs and inspections. The secure seal reduces the likelihood of leaks, enhancing safety and operational efficiency. Furthermore, the ease of use contributes to a safer working environment by minimizing the need for complex tools and procedures ³.

Installation Process

Installing the Cummins 4988129 Quick Disconnect Connector involves several steps to ensure a secure and effective connection. First, the mating surfaces should be clean and free of debris. The connector is then aligned with the corresponding port and pushed until it clicks into place, indicating a secure connection. It is important to follow the manufacturer’s guidelines to ensure proper installation.

Troubleshooting Common Issues

Common issues with quick disconnect connectors include leaks and difficulty in disconnection. To address leaks, inspect the connector for signs of wear or damage and ensure that it is properly seated. If disconnection is difficult, check for obstructions or debris around the connector and ensure that the release mechanism is functioning correctly. Regular inspection and maintenance can help prevent these issues.

Maintenance Tips

Regular maintenance of the Cummins 4988129 Quick Disconnect Connector is important for ensuring its longevity and optimal performance. This includes cleaning the connector and mating surfaces to remove any debris or contaminants. Inspecting the connector for signs of wear or damage and replacing any worn components can help maintain a secure and leak-free connection. Following the manufacturer’s maintenance guidelines is recommended.

Safety Considerations

When working with quick disconnect connectors, it is important to follow safety practices to ensure a safe working environment. This includes proper handling of the connector to avoid damage, using personal protective equipment as necessary, and adhering to the manufacturer’s guidelines for installation and maintenance. Being aware of the potential hazards associated with fluid transfer systems and taking appropriate precautions can help prevent accidents.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance products. The company’s commitment to innovation and customer satisfaction has made it a trusted name in the industry.

Cummins Quick Disconnect Connector 4988129 Compatibility

The Cummins Quick Disconnect Connector part number 4988129 is designed to fit a variety of Cummins engines, ensuring seamless integration and reliable performance across different engine models. Below is a detailed description of the compatibility of this part with various Cummins engines:

ISB/ISD Series

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN

The 4988129 connector is compatible with the ISB/ISD series, particularly the 4.5 and 6.7-liter variants. This ensures that the connector can be used in applications requiring robust and reliable connections for fuel, oil, or other fluid lines.

ISBE Series

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

The ISBE series engines benefit from the 4988129 connector, which is designed to fit seamlessly with these models. This compatibility is crucial for maintaining fluid line integrity in high-performance applications.

ISF Series

• ISF2.8 CM2220 F129
• ISF3.8 CM2220 AN
• ISF3.8 CM2220 F103
• ISF3.8 CM2350 F109
• ISF4.5 CM2220 F123

The ISF series engines, ranging from 2.8 to 4.5 liters, are also compatible with the 4988129 connector. This ensures that the connector can be used in various configurations, from smaller to larger ISF engines.

ISC Series

• ISC CM850

The ISC CM850 engine is compatible with the 4988129 connector, providing a reliable connection for fluid lines in this specific engine model.

ISG Series

• ISG11 CM2880 G108
• ISG12 CM2880 G107

The ISG series engines, with their higher displacement and power output, are also compatible with the 4988129 connector, ensuring that the connector can handle the demands of these high-performance engines.

ISL Series

• ISL9 CM2150 SN

The ISL9 CM2150 SN engine is compatible with the 4988129 connector, providing a reliable solution for fluid line connections in this engine model.

QSB Series

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)

The QSB series engines, particularly the 4.5-liter variants, are compatible with the 4988129 connector. This compatibility ensures that the connector can be used in various configurations, from smaller to larger QSB engines.

Other Models

• 15N CM2380 M104B
• B4.5 CM2350 B129B
• B6.7 CM2670 B153B
• D4.0 CM2620 D103B
• F3.8 CM2350 F120B
• F3.8 CM2350 F128C
• F3.8 CM2620 F137B
• F4.5 CM2620 F139B
• L9 CM2670 L128B

The 4988129 connector is also compatible with a range of other Cummins engine models, including the 15N, B4.5, B6.7, D4.0, F3.8, F4.5, and L9 series. This broad compatibility ensures that the connector can be used in a variety of applications, providing a reliable solution for fluid line connections.

Conclusion

The Cummins 4988129 Quick Disconnect Connector is a vital component in the maintenance and operation of commercial trucks. Its design ensures quick, secure, and reliable connections in fluid transfer systems, enhancing both safety and efficiency. Regular maintenance and proper installation are essential to maximize the benefits of this connector. With its wide compatibility across various Cummins engine models, the 4988129 connector stands as a testament to Cummins’ commitment to innovation and reliability in the commercial truck industry.