3094118
Wiring Harness
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,299.95 $1,546.94

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

The Cummins 3094118 Wiring Harness is a specialized component designed for use in commercial trucks. It serves as a part of the vehicle’s electrical system, facilitating the connection between various electrical components and the truck’s power source. This wiring harness ensures that electrical signals and power are efficiently distributed throughout the truck, contributing to its overall operation and performance.

Basic Concepts of Wiring Harnesses

A wiring harness is an assembly of wires, connectors, and sometimes switches that transmit electrical power and signals to various components within 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 plays a role by providing a structured and organized method for routing electrical connections, ensuring that each component receives the necessary power and signals to function correctly 1.

Purpose of the 3094118 Wiring Harness

This Cummins part is specifically designed to integrate with the electrical system of commercial trucks. It connects various electrical components, such as sensors, lights, and control modules, to the truck’s power source. This harness ensures that these components receive the correct voltage and current, allowing them to operate efficiently. Its design also considers the harsh environments that commercial trucks often encounter, providing reliable performance under various conditions 2.

Key Features

The 3094118 Wiring Harness features a robust design that includes high-quality materials to enhance its performance and durability. It is constructed using durable wires and connectors that can withstand the vibrations and temperature fluctuations common in commercial truck operations. The harness is also designed with flexibility in mind, allowing it to be routed through the truck’s chassis without compromising its integrity. Additionally, it includes protective sheathing to guard against physical damage and environmental factors 3.

Benefits

This Cummins part offers several advantages for truck operations. It contributes to improved efficiency by ensuring that electrical components receive consistent power and signals. This reliability enhances the overall performance of the truck, reducing the likelihood of electrical failures. Additionally, the harness’s durable construction and protective features increase its longevity, providing a safer and more dependable electrical system for the vehicle.

Installation Process

Installing the 3094118 Wiring Harness requires careful attention to detail to ensure proper function and safety. Begin by disconnecting the truck’s battery to prevent electrical shocks. Next, route the harness through the designated pathways in the truck’s chassis, ensuring that it is securely fastened and protected from potential damage. Connect the harness to the appropriate electrical components, following the manufacturer’s instructions to ensure correct polarity and connection. Finally, test the electrical system to confirm that all components are receiving power and functioning as expected.

Common Issues and Troubleshooting

Wiring harnesses can encounter issues such as loose connections, damaged wires, or faulty connectors. To troubleshoot these problems, begin by visually inspecting the harness for any signs of wear or damage. Check all connections to ensure they are secure and free from corrosion. If a component is not receiving power, use a multimeter to test the continuity of the wires and identify any breaks or shorts. Addressing these issues promptly can prevent more significant electrical problems and ensure the continued reliable operation of the truck.

Maintenance Tips

Regular maintenance of the 3094118 Wiring Harness is important to ensure its longevity and optimal performance. Inspect the harness periodically for signs of wear, damage, or corrosion. Clean any dirt or debris that may accumulate on the wires or connectors. Ensure that all connections remain tight and secure. Following these maintenance practices can help prevent electrical issues and extend the life of the wiring harness.

Safety Considerations

When working with the 3094118 Wiring Harness, it is important to observe safety protocols to prevent accidents and ensure compliance with industry standards. Always disconnect the truck’s battery before beginning any work on the electrical system to avoid electrical shocks. Use appropriate personal protective equipment, such as gloves and safety glasses, to protect yourself from potential hazards. Follow the manufacturer’s instructions and guidelines to ensure safe and correct installation and maintenance of the wiring harness.

Cummins Corporation

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance components. The company’s commitment to innovation and quality ensures that its products, like the 3094118 Wiring Harness, meet the demanding requirements of commercial truck operations.

Cummins Wiring Harness 3094118 Compatibility

The Cummins Wiring Harness part number 3094118 is designed to integrate seamlessly with a variety of Cummins engines, ensuring reliable electrical connectivity and performance. This wiring harness is engineered to fit specific engine models, providing a critical link between the engine’s electrical components and the vehicle’s overall system.

QST30 CM552 Engines

The Wiring Harness 3094118 is compatible with the QST30 CM552 engines. This compatibility ensures that the harness can effectively manage the electrical demands of these engines, facilitating smooth operation and efficient power distribution. The harness is designed to withstand the operational stresses of these engines, ensuring durability and longevity.

Grouping of Compatible Engines

While the primary focus is on the QST30 CM552 engines, the Wiring Harness 3094118 is also designed to fit within a broader range of Cummins engines. This compatibility extends to other models that share similar electrical architecture and component layouts. By ensuring a fit across multiple engine types, Cummins maintains a high standard of interchangeability and reliability, making it easier for technicians and fleet managers to maintain and repair their vehicles.

This compatibility is crucial for maintaining the integrity of the electrical system, ensuring that all components function as intended without the need for custom modifications. The harness’s design allows for easy installation and replacement, minimizing downtime and reducing the complexity of maintenance tasks.

Role of Part 3094118 Wiring Harness in Engine Systems

The 3094118 Wiring Harness is an integral component in the orchestration of various engine systems, ensuring seamless communication and operation between different parts. Its role can be best understood by examining its interaction with specific components:

  • Plumbing Systems: The wiring harness facilitates the electrical connections necessary for the operation of pumps and valves within the plumbing system. It ensures that these components receive the correct voltage and current, allowing for precise control over fluid dynamics within the engine.

  • Engine Oil Primer: In systems where an engine oil primer is utilized, the wiring harness provides the necessary electrical pathways to activate the primer. This ensures that the engine is adequately lubricated before starting, reducing wear and enhancing longevity.

  • Prechamber-Lubricating Wiring: For engines equipped with prechambers, the wiring harness is responsible for managing the electrical signals that control the lubrication system. This includes ensuring that the prechambers receive the appropriate amount of lubricant at the right times, which is essential for optimal combustion and engine performance.

Through these interactions, the 3094118 Wiring Harness plays a significant role in maintaining the efficiency and reliability of engine systems. Its design and placement are meticulously planned to withstand the harsh environments typical of engine compartments, ensuring durable and consistent performance.

Conclusion

The Cummins 3094118 Wiring Harness is a vital component in the electrical systems of commercial trucks, ensuring efficient and reliable operation of various engine components. Its robust design, compatibility with multiple Cummins engines, and role in facilitating electrical connections make it an essential part for maintaining the performance and longevity of commercial trucks. Regular maintenance, proper installation, and adherence to safety protocols are crucial for maximizing the benefits of this Cummins part.


  1. Mollenhauer, K., & Tschoeke, H. (2010). Handbook of Diesel Engines. Springer.

  2. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

  3. Robert Bosch GmbH. (2007). Bosch Automotive Electrics and Automotive Electronics: Systems and Components, Networking and Hybrid Drive 5th Edition. Springer Vieweg.

SPECIFICATIONS

Package Dimensions
14.63 x 14.0 x 2.0 in
Weight
3.52 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.