3979281
Male Connector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$38.95 $46.35

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Male Connector 3979281 is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This connector is designed for use in commercial trucks, where it plays a role in facilitating the connection between various electrical or fluid systems. Cummins is known for its commitment to quality and innovation, and the 3979281 Male Connector is no exception, offering reliable performance and durability in demanding applications 1.

Basic Concepts of Male Connectors

Male connectors are devices used to join two parts of a system together, typically in electrical or fluid applications. They feature a protruding pin or plug that fits into a corresponding female connector, allowing for the transfer of electricity, fluids, or data. In the context of a truck’s systems, male connectors ensure secure and efficient connections, contributing to the overall functionality and safety of the vehicle 2.

Purpose of the 3979281 Male Connector

The 3979281 Male Connector is specifically designed to integrate into a truck’s electrical or fluid systems, providing a reliable connection point. Its role is to facilitate the transfer of power or fluids between components, ensuring that systems operate as intended. This connector is part of the broader system that supports various truck functions, from engine management to auxiliary systems, enhancing the vehicle’s performance and reliability 3.

Key Features

The 3979281 Male Connector boasts several key features that enhance its functionality and durability. Its design includes a robust construction that can withstand the vibrations and harsh conditions typical of commercial truck environments. The materials used in its manufacture are selected for their strength and resistance to corrosion, ensuring long-term reliability. Additionally, the connector may feature unique attributes such as weather-sealing or enhanced electrical conductivity, further improving its performance in critical applications 4.

Benefits

The advantages of using the 3979281 Male Connector include improved efficiency in system operations, enhanced reliability due to its durable construction, and ease of installation, which can reduce downtime during maintenance procedures. Compared to other connectors, the 3979281 offers a combination of performance, durability, and convenience that makes it a preferred choice for many commercial truck applications.

Installation Process

Installing the 3979281 Male Connector requires following a specific procedure to ensure a secure and efficient connection. The process involves preparing the connection point, aligning the connector with the corresponding female part, and securing it in place. Tools required may include a torque wrench for tightening connections and possibly a wire stripper for electrical applications. Safety precautions, such as ensuring the system is de-energized before beginning work, should always be observed.

Troubleshooting and Maintenance

Common issues with the 3979281 Male Connector may include loose connections, corrosion, or damage to the connector itself. Diagnosing these problems involves visual inspection and testing the connection for proper function. Maintenance tips include regular inspection for signs of wear or corrosion, cleaning the connector as necessary, and ensuring all connections are tight and secure. Following these practices can help ensure the longevity and optimal performance of the connector.

Safety Considerations

When working with the 3979281 Male Connector, it is important to follow safety guidelines to protect both the technician and the equipment. Electrical safety is paramount, ensuring that all systems are de-energized before beginning work. Proper handling procedures, including the use of appropriate personal protective equipment (PPE), should be followed to prevent injury. Additionally, understanding the specific safety precautions outlined in the manufacturer’s instructions is crucial for safe and effective use of the connector.

Cummins Overview

Cummins is a leading manufacturer in the automotive and heavy-duty truck industry, with a history of innovation and quality. The company’s reputation is built on a commitment to developing reliable and efficient components that meet the demanding requirements of commercial vehicles. Cummins’ focus on quality, combined with its extensive experience in the industry, makes it a trusted source for automotive components, including the 3979281 Male Connector.

Cummins Male Connector 3979281 Compatibility

The Cummins Male Connector part number 3979281 is designed to integrate seamlessly with a range of Cummins engines, ensuring reliable connections and efficient performance. This part is specifically engineered to fit within the engine systems of the 6B5.9 and 6C8.3 engines, providing a critical link in the engine’s overall functionality.

For the 6B5.9 engine, the male connector is integral to the fuel system, ensuring that fuel lines are securely attached and that there is no leakage, which is crucial for maintaining engine efficiency and performance. Similarly, in the 6C8.3 engine, this connector plays a vital role in the engine’s hydraulic or fuel systems, ensuring that all connections are tight and secure.

Both engines benefit from the precision engineering of the 3979281 connector, which is crafted to meet the stringent requirements of Cummins’ quality standards. This part is designed to withstand the rigors of engine operation, providing durability and reliability over time.

In summary, the Cummins Male Connector 3979281 is a critical component for the 6B5.9 and 6C8.3 engines, ensuring that all connections are secure and that the engines operate at peak efficiency.

Role of Part 3979281 Male Connector in Engine Systems

The 3979281 Male Connector is integral to the functionality of various engine systems, ensuring seamless communication and operation between components.

Coolant Level Sensor Integration

In the coolant system, the 3979281 Male Connector interfaces with the Coolant Level Sensor. This connection allows the sensor to transmit real-time data regarding the coolant level to the Engine Control Unit (ECU). The ECU uses this information to manage engine temperature, ensuring optimal performance and preventing overheating. The Male Connector’s robust design ensures a secure and reliable connection, which is essential for accurate sensor readings and efficient engine management.

Conclusion

The 3979281 Male Connector by Cummins is a vital component in the operation of commercial trucks, particularly in the 6B5.9 and 6C8.3 engines. Its robust design, compatibility with Cummins engines, and role in critical systems like the coolant level sensor integration highlight its importance in ensuring the reliability and efficiency of truck operations. Proper installation, maintenance, and adherence to safety guidelines are essential for maximizing the performance and longevity of this Cummins part.


  1. Genta, G., & Morello, L. (2019). The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer.

  2. Fijalkowski, B.T. (2011). Automotive Mechatronics Operational and Practical Issues Volume 1. Springer.

  3. Bennett, S., & Norman, I.A. (2011). Heavy Duty Truck Systems, Fifth Edition. Delmar Cengage Learning.

  4. Barton, D.C., & Fieldhouse, J.D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

SPECIFICATIONS

Package Dimensions
5.0 x 3.0 x 3.0 in
Weight
0.08 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.