3804765
Brush Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$194.95 $231.99

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 3804765 Brush Kit is a component designed to support the maintenance and operation of commercial trucks. This kit is integral to ensuring the smooth functioning of specific truck systems, contributing to the vehicle’s overall performance and reliability.

Purpose and Functionality

This Cummins part plays a role in the electrical system of a truck, specifically within the alternator. It is responsible for maintaining the electrical contact between the alternator’s rotor and the slip rings. This contact is vital for the generation of electricity, which powers the truck’s electrical systems and recharges the battery. The kit’s proper function ensures consistent electrical output, which is essential for the truck’s operation 1.

Key Features

The 3804765 Brush Kit is constructed with high-quality materials to withstand the demanding conditions within a truck’s engine compartment. Its design includes precision-engineered brushes that ensure reliable contact with the slip rings. The kit is also characterized by its ease of installation, which is facilitated by its design that aligns with standard maintenance procedures.

Benefits

Utilizing this part can lead to improved engine performance due to consistent electrical supply. It also contributes to extended component lifespan by ensuring that the alternator operates within its designed parameters. Furthermore, the kit enhances the reliability of the truck’s electrical system, reducing the likelihood of unexpected failures 2.

Installation Process

To install the 3804765 Brush Kit, one should follow a systematic approach. Begin by ensuring the truck’s engine is off and has sufficiently cooled. Remove the alternator’s end cover to access the brush assembly. Carefully extract the old brushes and springs, taking note of their orientation. Install the new brushes and springs from the kit, ensuring they are correctly positioned. Reassemble the alternator and test the electrical system to confirm proper installation.

Maintenance Tips

Regular maintenance of the 3804765 Brush Kit involves periodic inspection of the brushes for wear and proper seating. It is also important to clean the slip rings to remove any buildup that could affect electrical contact. Following the manufacturer’s recommended service intervals for inspection and replacement will help maintain efficient operation 3.

Troubleshooting Common Issues

Common issues with the 3804765 Brush Kit may include worn brushes leading to poor electrical contact or damaged springs affecting brush tension. To address these, inspect the brushes and springs regularly and replace them if signs of wear are present. Ensuring the slip rings are clean and free from corrosion will also help prevent issues.

Safety Considerations

When installing or maintaining the 3804765 Brush Kit, it is important to observe safety guidelines. This includes wearing appropriate personal protective equipment, ensuring the truck’s engine is off before beginning work, and following all manufacturer instructions to protect both the user and the equipment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and technical expertise make it a trusted partner for commercial vehicle operators worldwide.

Conclusion

The Cummins 3804765 Brush Kit is a vital component for maintaining the electrical system of commercial trucks. Its proper installation and maintenance are crucial for ensuring consistent electrical output, enhancing engine performance, and extending the lifespan of the alternator. By following the guidelines provided and adhering to safety considerations, operators can ensure the reliable operation of their vehicles.


  1. Heywood, John. Internal Combustion Engine Fundamentals. McGraw-Hill Education, 2019.

  2. Fischer, Robert, et al. The Automotive Transmission Book Powertrain. Springer, 2015.

  3. Osgood, Libby, et al. Engineering Mechanics: Statics. Creative Commons, 2024.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.4 x 3.3 x 2.5 in
Weight
0.97 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.