5403004
Junction Box Panel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,499.95 $4,164.94

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 5403004 Junction Box Panel is a component designed for use in commercial trucks. It serves a significant role in the electrical system by facilitating the distribution of power and signals to various components within the vehicle. Understanding its function and importance is key to maintaining the electrical integrity and operational efficiency of commercial trucks.

Basic Concepts of Junction Box Panels

A Junction Box Panel is an enclosure that houses electrical connections and protects them from environmental factors 1. In the context of a truck’s electrical architecture, it acts as a central hub where wires and cables converge, allowing for the organized distribution of electrical power and signals to different parts of the vehicle. This setup ensures that electrical components receive the necessary power while maintaining safety and efficiency.

Purpose of the 5403004 Junction Box Panel

This Cummins part is specifically designed to play a role in the electrical system of a truck by distributing power and signals to various components. It ensures that electrical current is properly routed, which is vital for the operation of lights, sensors, and other electronic systems within the truck. Its function is integral to the overall electrical management of the vehicle.

Key Features

The 5403004 is characterized by several key features that enhance its performance and reliability. Its design incorporates durable materials that are resistant to corrosion and physical damage, ensuring longevity in demanding environments. Additionally, the panel is engineered with precise connectivity options that facilitate easy integration with the truck’s electrical system. Unique attributes such as weather-sealing and vibration resistance further contribute to its robust performance.

Benefits

The implementation of this part offers several benefits. It improves electrical management by centralizing connections, which simplifies troubleshooting and maintenance. Enhanced safety is achieved through its protective enclosure, which shields electrical components from external elements. Moreover, the panel can contribute to increased operational efficiency by ensuring reliable power distribution to critical systems.

Installation and Integration

Proper installation and integration of this Cummins part within a truck’s electrical system require adherence to specific guidelines. It is important to ensure compatibility with the truck’s existing electrical architecture and to follow manufacturer recommendations for installation. This may involve preliminary checks for electrical system readiness and ensuring that all connections are secure and correctly routed.

Troubleshooting Common Issues

Identifying and resolving common issues with the 5403004 involves a systematic approach. Electrical faults, connectivity problems, and physical damage are among the issues that may arise. Troubleshooting steps include inspecting connections for corrosion or loose fittings, testing for electrical continuity, and examining the panel for signs of physical damage. Addressing these issues promptly can prevent more significant electrical problems.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the 5403004. This includes routine inspections for signs of wear or damage, cleaning the panel to remove dirt and debris, and ensuring that all connections remain secure. Adhering to these maintenance tips can help prevent electrical issues and extend the lifespan of the panel.

Safety Considerations

When working with the 5403004, it is important to observe safety guidelines and precautions. Electrical safety practices, such as ensuring the power is off before performing any maintenance or repairs, are crucial. Additionally, handling the panel with care to avoid physical damage and following manufacturer instructions for installation and maintenance are important safety considerations.

Cummins Corporation

Cummins Corporation is a well-established entity in the commercial truck industry, known for its extensive product range and commitment to quality. The company’s history of innovation and reliability is reflected in its offerings, including the 5403004. Cummins’ reputation for producing high-quality components underscores the development and quality of this junction box panel, providing confidence in its performance and durability.

Cummins Junction Box Panel 5403004 Compatibility

The Cummins Junction Box Panel, part number 5403004, is a component in the electrical systems of various Cummins engines. This part is designed to integrate seamlessly with the following engines:

  • QSB6.7 M CM2250

This junction box panel is essential for managing and distributing electrical power within the engine’s system. It ensures that electrical signals are properly routed and controlled, contributing to the overall efficiency and reliability of the engine. The design and specifications of the 5403004 part are tailored to fit these engines, ensuring compatibility and optimal performance.

Role of Part 5403004 Junction Box Panel in Engine Systems

The 5403004 Junction Box Panel is an integral component in the orchestration of various engine systems, ensuring seamless interaction between different electrical components.

Integration with Harness

The Junction Box Panel interfaces directly with the vehicle’s wiring harness. This connection is essential for distributing electrical power and signals to various engine components. The harness, a network of wires and connectors, relies on the Junction Box Panel to organize and route these connections efficiently. This setup ensures that each component receives the correct voltage and data signals, facilitating optimal engine performance and reliability.

Power Supply Coordination

In conjunction with the power supply system, the 5403004 plays a significant role in managing the electrical load within the engine system. It acts as a distribution center, channeling power from the battery or alternator to critical engine components such as the fuel injectors, ignition system, and sensors. This distribution is vital for maintaining consistent engine operation, especially under varying load conditions. The Junction Box Panel helps prevent overloading of individual circuits, thereby enhancing the durability and efficiency of the engine’s electrical system.

Conclusion

The Cummins 5403004 Junction Box Panel is a vital component in the electrical systems of commercial trucks and Cummins engines. Its role in distributing power and signals, along with its durable design and integration capabilities, ensures the efficient and reliable operation of various electrical components. Proper installation, maintenance, and adherence to safety guidelines are essential for maximizing the performance and longevity of this part.


  1. Singh, D. K. (2024). Dictionary of Mechanical Engineering. Springer Nature.

SPECIFICATIONS

Package Dimensions
12.75 x 12.5 x 10.38 in
Weight
12.2 lb
* 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.