3923055
Wire Insulator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7.49 $8.91

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 3923055 Wire Insulator is a component designed to enhance the reliability and safety of electrical systems in commercial trucks. Its role is significant in maintaining the integrity of the truck’s electrical connections, ensuring that the vehicle operates efficiently and safely under various conditions 3.

Basic Concepts of Wire Insulators

Wire insulators are components used in electrical systems to protect wires from damage and ensure the safe transmission of electrical current. They prevent electrical shorts by insulating the wires from each other and from external elements that could cause a short circuit. Additionally, wire insulators protect wires from physical damage such as abrasion, which can compromise the wire’s integrity and lead to electrical failures 1.

Purpose of the 3923055 Wire Insulator

The 3923055 Wire Insulator is specifically designed to protect wires within the electrical system of a truck. It plays a role in safeguarding the wires from abrasion and potential electrical shorts. By insulating the wires, it helps maintain the electrical system’s efficiency and reliability, contributing to the overall performance and safety of the vehicle 4.

Key Features

The 3923055 Wire Insulator is characterized by its durable material composition, which is resistant to the harsh conditions often encountered in commercial truck operations. Its design includes features that ensure a secure fit around the wires, minimizing the risk of displacement or damage. Additionally, the insulator is engineered to withstand a range of temperatures and environmental conditions, enhancing its performance and longevity 2.

Benefits

The use of the 3923055 Wire Insulator offers several benefits. It contributes to improved safety by reducing the risk of electrical shorts and fires. Its durable construction enhances the longevity of the electrical system, potentially leading to cost savings through reduced maintenance needs. Furthermore, by protecting the wires from abrasion and environmental factors, it helps ensure consistent electrical performance 1.

Installation Considerations

Proper installation of the 3923055 Wire Insulator is crucial for its effectiveness. It is recommended to follow manufacturer guidelines for installation, which may include the use of specific tools or procedures to ensure a secure and proper fit. Attention to detail during installation can prevent future issues and ensure the insulator performs as intended 4.

Troubleshooting and Maintenance

Common issues with wire insulators may include damage from abrasion or environmental factors, or displacement from their intended position. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems. Maintenance tips include checking for signs of wear or damage and ensuring the insulator remains securely in place 1.

Compatibility and Application

The 3923055 Wire Insulator is designed for use in specific types of trucks and electrical systems. It is important to consider the operating conditions and ensure compatibility with the truck’s electrical system to maximize its effectiveness and longevity 2.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company is renowned for its commitment to quality and reliability in the commercial truck industry 3.

Cummins Wire Insulator 3923055 Compatibility

The Cummins Wire Insulator part number 3923055 is designed to fit seamlessly within a range of Cummins engine models. This part is crucial for maintaining the integrity of electrical connections and ensuring the safe operation of the engine.

Engine Compatibility

  • 4B3.9, 6B5.9, B5.9 G: These engines, known for their robust performance and reliability, utilize the 3923055 Wire Insulator to protect and insulate critical wiring. This ensures that electrical signals are transmitted accurately and safely, preventing potential short circuits or electrical failures.

  • ISB CM550, ISB CM850: These engines, part of the Cummins ISB series, also benefit from the 3923055 Wire Insulator. The ISB series is renowned for its efficiency and durability, and the use of this specific wire insulator helps maintain the high standards of performance and reliability that these engines are known for.

By ensuring that the 3923055 Wire Insulator is correctly installed, engine operators can maintain optimal electrical integrity and performance across these various engine models 3.

Role of Part 3923055 Wire Insulator in Engine Systems

This part is an essential component in maintaining the integrity and efficiency of electrical systems within engine components such as the motor and starting system.

In the motor system, the Wire Insulator ensures that electrical wires are securely held in place, preventing any unwanted contact with other metal components. This insulation is vital for maintaining the electrical conductivity and preventing short circuits that could lead to motor failure or reduced performance.

For the starting system, the Wire Insulator plays a significant role in safeguarding the starter motor’s electrical connections. By insulating the wires, it ensures that the electrical current is directed efficiently to the starter motor, facilitating a smooth and reliable engine start. This insulation also protects against corrosion and wear, extending the lifespan of the starting system components.

Overall, the Wire Insulator contributes to the reliable operation and longevity of these engine systems by ensuring proper electrical management and protection 4.

Conclusion

The Cummins 3923055 Wire Insulator is a critical component for maintaining the safety and efficiency of electrical systems in commercial trucks. Its durable construction, compatibility with various Cummins engine models, and role in preventing electrical shorts and abrasion make it an essential part for ensuring reliable vehicle operation. Proper installation and maintenance of this part are key to maximizing its benefits and ensuring the longevity of the truck’s electrical system.


  1. Gilles, T. (2020). Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning.

  2. Trzesniowski, M. (2023). The Complete Vehicle. Springer Nature.

  3. Ribbens, W. B. (2003). Understanding Automotive Electronics. Elsevier Science.

  4. Denton, T., & Pells, H. (2022). Automotive Technician Training Theory. Routledge.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 1.0 x 0.5 in
Weight
1 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.