4396203
Wiring Harness
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,249.95 $1,487.44

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 Cummins 4396203 Wiring Harness is a specialized component designed for use in commercial trucks. It plays a role in the vehicle’s electrical system by facilitating the connection between various electrical components and the truck’s power source. The significance of this wiring harness lies in its ability to ensure reliable and efficient electrical performance, which is vital for the overall operation and safety of commercial trucks 1.

Basic Concepts of Wiring Harnesses

A wiring harness is an assembly of wires, connectors, and sometimes switches and relays that transmit electrical power and signals throughout a vehicle. It consists of multiple wires bundled together, often protected by a sheath or conduit, to prevent damage and reduce electrical interference. Within a vehicle’s electrical system, the wiring harness provides a structured and organized method for distributing power and signals to various components, such as lights, sensors, and control units 2.

Purpose of the 4396203 Wiring Harness

This Cummins part is designed to integrate seamlessly with a truck’s electrical system, connecting key components such as the engine control module, sensors, and actuators. It facilitates the transmission of power and data signals necessary for the operation of these components. By providing a reliable electrical connection, the harness contributes to the efficient and safe functioning of the truck’s systems 3.

Key Features

The 4396203 Wiring Harness is characterized by its robust design and high-quality materials, which enhance its performance and durability. It features a carefully engineered layout that minimizes the risk of electrical interference and ensures optimal signal transmission. The harness is constructed using materials that are resistant to environmental factors such as moisture, heat, and vibration, which are common in commercial truck operations.

Benefits of Using the 4396203 Wiring Harness

Utilizing this Cummins part in truck operations offers several advantages. It provides improved reliability by ensuring consistent electrical connections, which is crucial for the proper functioning of the truck’s systems. Additionally, the harness contributes to enhanced efficiency by optimizing the distribution of power and signals. Safety is also improved, as the harness helps prevent electrical faults that could lead to malfunctions or accidents.

Installation and Integration

When installing the 4396203 Wiring Harness, it is important to follow guidelines that ensure compatibility with the specific truck model and its electrical system. Proper installation involves securing the harness in place, making sure all connections are tight and secure, and verifying that it does not interfere with other components. Compatibility with various truck models and systems should be considered to ensure seamless integration.

Maintenance and Troubleshooting

Maintaining the 4396203 Wiring Harness involves regular inspections to check for signs of wear, damage, or corrosion. Common issues may include loose connections, frayed wires, or exposed conductors. Troubleshooting techniques include testing electrical continuity, checking for proper voltage levels, and identifying any faulty components. Addressing these issues promptly helps ensure the harness continues to perform optimally.

Safety Considerations

When working with the 4396203 Wiring Harness, it is important to observe electrical safety practices. This includes ensuring the truck’s battery is disconnected before beginning any work to prevent the risk of electrical shock. Proper handling procedures should be followed to avoid damaging the harness or its components. Additionally, using appropriate tools and protective equipment can help maintain a safe working environment.

Environmental Impact

The production, use, and disposal of the 4396203 Wiring Harness have environmental considerations. Efforts to minimize the environmental impact include using recyclable materials in its construction and implementing recycling programs for old or damaged harnesses. Cummins Inc. is committed to sustainability and continually seeks ways to reduce the environmental footprint of its products.

Cummins 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 is known for its innovation and commitment to quality. The company offers a wide range of products for various industries, including automotive, construction, and power generation, and is dedicated to providing reliable and efficient solutions to meet the needs of its customers.

Cummins Wiring Harness 4396203 Compatibility

The Cummins Wiring Harness part number 4396203 is designed to integrate seamlessly with a variety of Cummins engines, ensuring reliable and efficient electrical connections. This wiring harness is engineered to fit the following engines:

  • QSK19: The QSK19 engine is a robust and versatile power unit, often used in heavy-duty applications. The wiring harness 4396203 is specifically tailored to match the electrical architecture of the QSK19, providing a precise fit and ensuring optimal performance.

  • CM850: The CM850 engine is known for its durability and efficiency in medium-duty applications. The wiring harness 4396203 is engineered to connect with the CM850’s electrical system, ensuring that all components receive the necessary power and signals.

  • MCRS: The MCRS engine is a high-performance unit designed for demanding applications. The wiring harness 4396203 is crafted to integrate with the MCRS, ensuring that the electrical connections are both secure and efficient.

These engines, while differing in their specific applications and power outputs, share a commonality in their need for a reliable and precise wiring harness. The part number 4396203 is designed to meet these needs, providing a seamless fit and ensuring that the electrical systems of these engines operate smoothly and efficiently.

Conclusion

The Cummins 4396203 Wiring Harness is a critical component in the electrical systems of commercial trucks, ensuring reliable and efficient operation. Its robust design, high-quality materials, and compatibility with various Cummins engines make it an essential part for maintaining the performance and safety of truck operations. Regular maintenance, proper installation, and adherence to safety practices are key to maximizing the benefits of this Cummins part.


  1. Huzij, R., Spano, A., & Bennett, S. (2019). Modern Diesel Technology: Heavy Equipment Systems. Cengage Learning.

  2. Huzij, R., Spano, A., & Bennett, S. (2014). Modern Diesel Technology Heavy Equipment Systems. Delmar Cengage Learning.

  3. Reif, K. (2014). Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg.

* 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.