3971089
Light Bulb
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$24.95 $29.69

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 3971089 Light Bulb is a specialized component designed for use in commercial truck operations. Its purpose is to provide reliable and efficient lighting for various applications within the truck, contributing to both functionality and safety. The significance of this light bulb in commercial truck operations lies in its ability to enhance visibility, ensure proper signaling, and support safety features, all of which are vital for the efficient and secure operation of commercial vehicles.

Basic Concepts of Light Bulbs

Light bulbs operate on the principle of converting electrical energy into light. There are several types of light bulbs, including incandescent, halogen, fluorescent, and LED. Each type has its own set of characteristics and applications. In commercial and industrial settings, light bulbs are used for a variety of purposes, such as general illumination, signaling, and safety lighting. The choice of light bulb type depends on factors such as energy efficiency, lifespan, brightness, and specific application requirements 1.

Purpose of the 3971089 Light Bulb in Truck Operations

The 3971089 Light Bulb plays a role in the operation of commercial trucks by providing essential lighting for various systems. It is used in lighting systems to illuminate the interior and exterior of the truck, ensuring visibility in low-light conditions. Additionally, it supports signaling functions, such as indicator lights and warning signals, which are crucial for communication and safety on the road. The light bulb also integrates into safety features, enhancing the overall safety profile of the truck 2.

Key Features

The Cummins 3971089 Light Bulb is characterized by its robust design and high-quality materials, which contribute to its durability and performance. It is engineered to withstand the demanding conditions of commercial truck operations, including vibrations, temperature fluctuations, and exposure to the elements. Unique characteristics of this light bulb may include its energy efficiency, long lifespan, and compatibility with various truck models 3.

Benefits

Using the 3971089 Light Bulb in commercial trucks offers several benefits. It provides improved visibility, which is crucial for safe driving conditions. The enhanced safety features supported by this light bulb contribute to the overall safety of the vehicle and its occupants. Additionally, the light bulb’s longevity and reliability reduce the need for frequent replacements, offering cost savings and convenience for fleet operators.

Installation and Compatibility

Proper installation of the 3971089 Light Bulb is important to ensure its optimal performance and compatibility with the truck’s electrical system. Installation guidelines may include specific requirements for wiring, socket compatibility, and adherence to manufacturer instructions. Ensuring compatibility with various truck models is crucial to avoid issues such as electrical malfunctions or reduced performance.

Troubleshooting and Maintenance

Common issues with the 3971089 Light Bulb, such as flickering or failure to illuminate, can often be addressed through troubleshooting steps. These may include checking the electrical connections, inspecting the bulb for damage, and ensuring proper installation. Regular maintenance, such as cleaning the bulb and its surroundings, can help prolong its lifespan and maintain its performance.

Safety Considerations

When using the 3971089 Light Bulb, safety considerations include proper handling during installation and replacement, adherence to manufacturer guidelines, and regular inspection for signs of wear or damage. Ensuring that the light bulb is installed correctly and functions as intended is crucial for maintaining the safety and reliability of the truck’s lighting systems.

Environmental Impact

The environmental impact of the 3971089 Light Bulb includes its energy efficiency and disposal considerations. Energy-efficient light bulbs contribute to reduced energy consumption and lower environmental impact. Proper disposal of used light bulbs, in accordance with local regulations and manufacturer guidelines, is important to minimize environmental harm.

Cummins Overview

Cummins is a well-established company with a strong reputation in the commercial truck industry. Founded with a mission to power a more prosperous world, Cummins has a history of innovation and excellence in engine and power generation technologies. The company’s commitment to quality, reliability, and customer satisfaction has earned it a respected place in the industry, making it a trusted choice for commercial truck operators.

Cummins Light Bulb 3971089 Compatibility with Engine Models

The Cummins Light Bulb part number 3971089 is designed to fit seamlessly with a range of Cummins engine models. This part is essential for ensuring optimal visibility and functionality in various engine compartments, providing reliable illumination for maintenance and inspection tasks.

Cummins 4B3.9 and 6B5.9 Engines

The 3971089 light bulb is compatible with the Cummins 4B3.9 and 6B5.9 engines. These engines are known for their robust performance and are often used in heavy-duty applications. The light bulb’s design ensures it can withstand the operational conditions within these engines, providing consistent and bright illumination.

Cummins 6C8.3, K19, K38, and K50 Engines

Similarly, the 3971089 light bulb is also suitable for the Cummins 6C8.3, K19, K38, and K50 engines. These engines are utilized across various industries due to their durability and efficiency. The light bulb’s compatibility with these engines ensures that maintenance personnel can easily access and inspect the engine components, enhancing safety and operational efficiency.

General Compatibility

The 3971089 light bulb is engineered to fit snugly within the designated areas of these engines, providing a secure and reliable lighting solution. Its design ensures it can handle the rigors of engine environments, offering long-lasting performance and ease of installation.

Role of Part 3971089 Light Bulb in Engine Systems

The part 3971089 Light Bulb is an essential component in various engine systems, primarily integrated within the instrument panel and engine instruments. Its function is to provide illumination, ensuring that all readings and indicators are clearly visible to the operator under varying lighting conditions.

Instrument Panel Integration

In the instrument panel, the 3971089 Light Bulb is responsible for illuminating gauges, dials, and digital displays. This includes speedometers, tachometers, fuel gauges, and temperature indicators. Proper illumination is vital for the operator to monitor engine performance, vehicle speed, and other critical parameters accurately. The light bulb ensures that these readings are discernible, enhancing safety and operational efficiency.

Engine Instrument Illumination

For engine instruments, the 3971089 Light Bulb plays a significant role in highlighting specific components such as oil pressure gauges, voltage meters, and engine temperature indicators. These instruments require clear visibility to allow the operator to make informed decisions regarding engine health and performance. The light bulb ensures that any fluctuations or anomalies in these readings are immediately noticeable, facilitating timely interventions.

Panel Illumination

Beyond specific gauges and instruments, the 3971089 Light Bulb also contributes to the overall illumination of the panel. This includes backlighting for switches, buttons, and other control elements. Adequate lighting in this area ensures that the operator can easily locate and operate these controls, even in low-light conditions. This is particularly important in environments where natural light is limited, such as during nighttime operations or in enclosed engine compartments.

Conclusion

In summary, the 3971089 Light Bulb is a fundamental component in ensuring the visibility and readability of engine instruments and panels, directly contributing to the safe and efficient operation of engine systems.


  1. Proceedings of the 5th Commercial Vehicle Technology Symposium CVT, Karsten Berns, Klaus Dressler, Patrick Fleischmann, Daniel Grges, Ralf Kalmar, Bernd Sauer, Nicole Stephan, Roman Teutsch, Martin Thul, Springer, 2018.

  2. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves, Angelina Eret, Springer Nature, 2024.

  3. Introduction to Engine Valvetrains, Yushu Wang, SAE International, 2007.

SPECIFICATIONS

Package Dimensions
0.8 x 0.1 x 0.12 in
Weight
0.01 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.