3939956
Male Connector
Cummins®

The Male Electrical Connector, part number 3939956, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the automotive and commercial truck industries, produces this connector to meet the demanding requirements of heavy-duty applications. This part plays a role in ensuring reliable electrical connections within the truck’s systems, contributing to the overall efficiency and functionality of the vehicle.

Basic Concepts of Male Electrical Connectors

Male electrical connectors are devices used to join two or more electrical circuits together. They consist of a plug that fits into a corresponding socket, allowing for the transfer of electrical signals and power. In automotive contexts, these connectors are vital for linking various electrical components and systems, ensuring seamless communication and operation. They are commonly used in wiring harnesses, sensor connections, and other critical electrical pathways ¹.

Role of the 3939956 Male Electrical Connector in Truck Operations

This Cummins part plays a specific role in the electrical system of a truck by providing a secure and reliable connection between different electrical components. It is designed to interface with sensors, control modules, and other electrical devices, facilitating the transmission of data and power. Its function is integral to the proper operation of the truck’s electrical systems, including engine management, lighting, and diagnostic systems.

Key Features of the 3939956 Male Electrical Connector

This connector is distinguished by several key features. Its design incorporates robust materials that ensure durability under harsh operating conditions. The connector is engineered to resist corrosion, vibration, and extreme temperatures, which are common in commercial truck environments. Additionally, it may feature unique technological aspects such as enhanced sealing mechanisms to prevent moisture ingress and improved contact surfaces for reliable electrical conductivity.

Benefits of Using the 3939956 Male Electrical Connector

The advantages of using this part include enhanced reliability, durability, and efficiency in electrical connections. Its robust construction and resistance to environmental factors contribute to a longer service life and reduced maintenance requirements. The connector’s design also ensures a secure fit and stable electrical connection, minimizing the risk of intermittent faults or failures in the truck’s electrical system.

Installation and Compatibility

Proper installation of the 3939956 Male Electrical Connector involves following manufacturer guidelines to ensure a secure and effective connection. It is important to verify compatibility with the specific truck model and electrical system to which it will be connected. Installation may require the use of specialized tools and techniques to ensure the connector is properly seated and locked into place, preventing accidental disconnections or poor electrical contacts.

Troubleshooting Common Issues

Identifying and resolving typical problems with the 3939956 Male Electrical Connector may involve checking for signs of wear, corrosion, or damage to the connector and its mating surfaces. Diagnostic tips include inspecting the connector for proper seating, ensuring there are no obstructions or debris within the connection, and verifying that the electrical contacts are clean and free from oxidation. Regular maintenance practices, such as cleaning and inspecting the connector, can help prevent issues and ensure optimal performance.

Maintenance Recommendations

Routine maintenance practices for the 3939956 Male Electrical Connector include periodic inspection for signs of wear or damage, cleaning the connector and its mating surfaces to remove any corrosion or debris, and ensuring that the connection remains secure and free from moisture ingress. Following these maintenance recommendations can help ensure the longevity and optimal performance of the connector, contributing to the reliable operation of the truck’s electrical systems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive and commercial truck industries. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry ².

Male Electrical Connector 3939956 Compatibility with Cummins Engines

The Male Electrical Connector part number 3939956, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. This connector is integral for ensuring proper electrical connections and communication within the engine’s systems. Below is a detailed overview of its compatibility with specific Cummins engine models:

ISC Series Engines

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

The ISC series engines, including the ISC CM2150, ISC CM554, ISC CM850, and ISC8.3 CM2250, are equipped with the Male Electrical Connector 3939956. This connector is essential for maintaining the integrity of the electrical connections in these engines, ensuring that all components communicate effectively.

ISL Series Engines

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250

The ISL series engines, such as the ISL CM2150, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, and ISL9 CM2250, also utilize the Male Electrical Connector 3939956. This part is crucial for these engines, providing a reliable connection point for various electrical components.

C Series Engines

• C GAS PLUS CM556
• L GAS PLUS CM556
• C8.3 G

The C series engines, including the C GAS PLUS CM556, L GAS PLUS CM556, and C8.3 G, are compatible with the Male Electrical Connector 3939956. This connector ensures that the electrical systems within these engines are properly linked, facilitating efficient operation.

6C Series Engine

• 6C8.3

The 6C8.3 engine is another model that fits the Male Electrical Connector 3939956. This connector is essential for maintaining the electrical integrity of the 6C8.3 engine, ensuring that all components are correctly connected and functioning as intended.

Role of Part 3939956 Male Electrical Connector in Engine Systems

The 3939956 Male Electrical Connector is integral to ensuring seamless electrical communication within various engine components. When integrated with the Alternator Drive, this connector facilitates the transfer of electrical signals necessary for the alternator to regulate power output efficiently. This ensures that the engine’s electrical system remains balanced and responsive to the vehicle’s power demands.

In conjunction with the Alternator Mounting, the 3939956 connector plays a role in securing electrical connections that are vital for the alternator’s operation. It ensures that the alternator is properly powered and can effectively convert mechanical energy into electrical energy to charge the battery and power the electrical systems.

The Cylinder Block Cover often houses various sensors and electrical components. The 3939956 connector is used to link these components to the engine’s electrical system, allowing for precise monitoring of engine performance and conditions. This integration is essential for maintaining optimal engine operation and efficiency.

When dealing with the Hand Hole Cover, the 3939956 connector provides necessary electrical connections for any sensors or components located within this area. This ensures that all parts under the hand hole cover are powered and can communicate with the engine’s control unit, contributing to overall engine diagnostics and maintenance.

Lastly, in the Oil Fill Arrangement, the 3939956 connector may be used to connect sensors that monitor oil levels and conditions. This ensures that the engine receives accurate data regarding oil status, allowing for timely maintenance and preventing potential engine damage due to oil-related issues.

Overall, the 3939956 Male Electrical Connector is a key component in maintaining the electrical integrity and communication within these engine systems, ensuring they operate smoothly and efficiently.

Conclusion

The 3939956 Male Electrical Connector by Cummins is a critical component in the electrical systems of commercial trucks and Cummins engines. Its robust design, compatibility with various engine models, and role in ensuring reliable electrical connections make it an essential part for maintaining the efficiency and functionality of heavy-duty applications. Proper installation, maintenance, and troubleshooting practices are vital for maximizing the performance and longevity of this connector.