Best Alternator Brush Holders of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Alternator brush holders are essential components of an alternator. They are responsible for holding the brushes in place and maintaining a proper electrical connection between the brushes and the commutator. These brush holders are typically made of high-quality materials to ensure durability and longevity. They come in a variety of sizes and designs to fit different alternator models. In addition, some brush holders may also include features such as built-in voltage regulators, making them even more versatile and useful. Overall, alternator brush holders are crucial components that help to ensure the proper functioning of an alternator, which is essential for powering various electrical systems in a vehicle.

At a Glance: Our Top Picks

Mytee Magnetic Flag Holder 8 Pack Cover #TOP 1
Mytee Magnetic Flag Holder 8 Pack
ftb score rating icon 9.8
Generac Guardian Brush 066386 Cover #TOP 2
Generac Guardian Brush 066386
ftb score rating icon 9.7
Wakit Grinders Cone Holder with Poker Brush Cover #TOP 3
Wakit Grinders Cone Holder with Poker Brush
ftb score rating icon 9.5

Top 10 Alternator Brush Holders

#TOP 1

Mytee Magnetic Flag Holder 8 Pack

VMF-Hx8-AMZ
Silver
8 - Pack
Mytee Magnetic Flag Holder 8 Pack Cover
Mytee Products (8 Pack) Magnetic Flag Holder Truck Trailer Pilot Car Wide Oversize Load Safety

The Mytee Magnetic Flag Holder is a handy tool designed to securely attach flags to your truck, trailer, or machinery. With a strong magnet that holds up to 110 pounds, it ensures your flags stay in place even in tough conditions. Its 3.2-inch diameter provides a stable base for wire loop flags, making it easy for you to display wide or oversize load safety flags. Plus, it works on any flat steel surface, so you can quickly and conveniently mount it wherever you need. This makes the Mytee Magnetic Flag Holder a reliable choice for keeping your safety flags visible and secure.

What We Like
Strong magnetic pull
Large 3.2-inch base
Works on flat steel surfaces
Easy flag attachment
#TOP 2

Generac Guardian Brush 066386

0663860SRV
Generac Guardian Brush 066386 Cover
066386 - Generac Guardian brush

The Generac Guardian Brush is a genuine replacement part designed specifically for your Generac equipment. Using this authentic product ensures a perfect fit and reliable performance, giving you peace of mind. It comes brand new and bulk packed, which means you get fresh, unused parts ready for installation, saving you time and effort. To make sure you choose the right part, it's important to check your owner's manual for the correct part number. This helps you avoid compatibility issues and ensures your equipment runs smoothly. The Generac Guardian Brush is a practical choice to maintain your generator’s efficiency and longevity.

What We Like
Genuine OEM part
New, unused condition
Bulk packaging
Consult owner's manual
#TOP 3

Wakit Grinders Cone Holder with Poker Brush

Cone Holder and Poker Brush
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Wakit Grinders Cone Holder with Poker Brush Cover
Wakit Grinders Cone Holder with Poker Brush

The Wakit Grinders Cone Holder is a handy accessory designed for those who enjoy prepping on the go. If you’re using Wakit Grinders and don’t have a RollBotz available, this cone holder and poker brush combo is a great solution. It helps you keep your cones secure and ready, making it easier to handle your materials without hassle. The built-in poker brush adds convenience by allowing you to clean and maintain your cones efficiently, ensuring a smooth and enjoyable experience every time. This accessory is perfect for anyone looking to stay organized and prepared while using their Wakit Grinders.

What We Like
Portable cone holder
Includes poker brush
Easy on-the-go prepping
Compatible with Wakit Grinders
#TOP 4

DB Electrical Brush Holder for Delco 27SI Alternator

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DB Electrical Brush Holder for Delco 27SI Alternator Cover
New DB Electrical Brush Holder - Alternator 150-12011 Compatible with/Replacement for Delco D766, J & N 150-12011, Saint Marys BHA-009, Sunki FD618B, WAI 39-105

The DB Electrical Brush Holder is designed for Delco 27SI type 200 alternators, making it a perfect fit if you need a reliable replacement part. It matches several OEM part numbers, so you can be confident it will work well with your vehicle's existing system. This brush holder is brand new and built to meet original equipment manufacturer standards, ensuring quality and performance. Plus, it comes with a 1-year warranty, giving you peace of mind knowing that if any issues arise, you can get a replacement quickly and hassle-free. This product is a smart choice for maintaining your alternator's efficiency and extending its life.

What We Like
OEM specification compliance
Wide compatibility with OEM numbers
1-year replacement warranty
New aftermarket product
#TOP 5

Yosoo Alternator Brush Holder Kit

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Yosoo Alternator Brush Holder Kit Cover
Alternator Brush Holder Brush Repair Kit, Aluminum Alloy Alternator Brush Holder And Brushes Kit Replacement For Denso 021620?2530 021620?2720

The Yosoo Brush Holder Kit is designed for seamless compatibility with various Denso models, ensuring a perfect fit. Made from durable ABS and aluminum alloy, this kit offers resistance to rust and impact, providing long-lasting performance. You’ll appreciate the stable output voltage, which maintains consistent performance regardless of speed changes. Installation is straightforward, allowing you to replace your old or damaged alternator regulator quickly and easily, saving you time and hassle. With rigorous testing and adherence to original specifications, you can trust this kit to deliver reliable results.

What We Like
Easy installation
Durable materials
Stable performance
Compatible with multiple models
#TOP 6

Generac 0663860SRV Brush Holder Assembly

0663860SRV
Generac 0663860SRV Brush Holder Assembly Cover
Generac Genuine 0663860SRV Brush Holder Assembly OEM

The Generac Brush Holder is a brand new, genuine part designed specifically for certain Generac generator models. As an official Generac product, it ensures compatibility and reliable performance when you need to replace or repair your generator’s alternator brush holder. Using this genuine assembly helps maintain your generator’s efficiency and prolongs its lifespan by providing the proper fit and function. Plus, purchasing from an authorized dealer gives you peace of mind, knowing you’re getting an authentic and high-quality component for your equipment.

What We Like
Genuine OEM part
Perfect fit for Generac models
Reliable alternator performance
Authorized dealer assurance
#TOP 7

Alternator Brush Holder Repair Kit for Denso 021620

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Alternator Brush Holder Repair Kit for Denso 021620 Cover
Alternator Brush Holder and Brushes Kit for 021620‑2530 021620‑2720 Compatible with 31105 PD1 034 31105 PR7 A01 31105 PT0 003

Upgrade your alternator with the aqxreight Brush Holder Kit. Made from durable ABS and aluminum alloy, this kit ensures a long service life. Its high reliability and stable performance guarantee excellent replacement for your worn-out brush holder. Compatible with various Denso models, such as 021620-2530 and 021620-2720, this kit is a must-have for maintaining your vehicle's electrical system.

What We Like
Long service life
High reliability
Direct replacement
#TOP 8

RAREELECTRICAL Starter Generator Brush Holder for E-Z-Go Carts

382-44001A2
RAREELECTRICAL Starter Generator Brush Holder for E-Z-Go Carts Cover
RAREELECTRICAL New Starter Generator End Cap Brush Holder Assembly Compatible With E-Z-Go Cart Gxi-875 Gxt-875 Mg2 Txt By Part Numbers 114014010 25533-G01 26993-G01 27065-G01 Gsb107-02 Gsb107-06

The RAREELECTRICAL Brush Holder is designed to fit a range of popular brands including E-Z-GO, Hitachi, John Deere, and Yamaha, making it easy for you to find the right match for your equipment. By confirming the OEM part number from your original unit, you can ensure a proper fit, saving you time and hassle. This part replaces several specific starter generator end cap brush holders, helping you restore your vehicle’s electrical system efficiently. It’s compatible with many E-Z-Go cart models from 1993 to 2008, so you can trust it to work well with your cart. This aftermarket option offers a reliable and convenient replacement to keep your equipment running smoothly.

What We Like
Wide brand compatibility
OEM part number verification
Replaces multiple part numbers
Fits various E-Z-Go cart models
#TOP 9

Acouto Alternator Brush Holder Rebuild Kit

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popular
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Acouto Alternator Brush Holder Rebuild Kit Cover
Acouto Alternator Brush Holder Alternator Rebuild Repair Kit Aluminum Alloy for 021620‑2530 021620‑2720, for 27370-42010 27370-75060, 31105 PD1 034, 31105 PR7 A01, 31105 PT0 003

Upgrade your vehicle with the Acouto Brush Holder Kit. Crafted from durable ABS and aluminum alloy, this kit ensures long-lasting reliability. The high-quality manufacturing guarantees stable performance, reducing the need for frequent replacements. The meticulous workmanship offers wear-proof durability for consistent functioning. The easy replacement feature simplifies the installation process, making it a cost-effective solution for your vehicle maintenance needs.

What We Like
Durable Materials
Stable Performance
Cost-effective Solution
#TOP 10

OEG Parts Brush Holder for Alternators

OEG Parts Brush Holder for Alternators Cover
OEG Parts New Brush Holder Compatible With Unit Part Numbers A003TV0691 FL1Z10346B FL1Z-10346-A FL1Z10346A FL1T-10300-AB FL1T-10300-AA FL1T10300AA A005TZ0091 A003TV1591ZC A003TV1591 A003TV0691ZC

The OEG Brush Holder is a reliable replacement part designed to fit multiple unit numbers, making it versatile for various alternator models. It operates on a 12V system, which is standard for many vehicles, ensuring compatibility. As a brand new product made with high-quality components, it promises durability and long-lasting performance, so you don’t have to worry about frequent replacements. Additionally, it meets or even surpasses original equipment manufacturer (OEM) standards, guaranteeing you a product that works just as well as or better than the original part. With a one-year hassle-free guarantee, you can buy with confidence knowing OEG stands behind their product.

What We Like
Wide compatibility
12V voltage standard
Premium quality components
OEM-level engineering
One-year guarantee
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What happens when alternator brushes are bad?

When alternator brushes are worn or damaged, it can result in issues such as the ignition warning light not coming on, not going out, or staying dim. It is important to check for the cause of the problem and perform testing to diagnose the alternator's output.

2. What is the purpose of the brushes in an alternator?

The brushes in an alternator serve as electrical contacts that help conduct electricity from the alternator or generator to the components that require power. They facilitate the transfer of current as they spin with the rotor of the alternator, ensuring the proper flow of electricity.

3. Do modern alternators have brushes?

Yes, modern alternators still incorporate brushes as part of their design. These brushes, along with other components like the voltage regulator and slip rings, play a crucial role in the operation of the alternator. The brushes provide power supply to the rotor windings and facilitate the charging process.

4. What is the symptom if an alternator has worn out carbon brush?

One symptom of worn-out carbon brushes in an alternator is a loss of power or inconsistent power delivery. If the tool or equipment starts cutting out during use, it is a clear indication that the carbon brushes have worn away and need to be replaced.

5. Can you change the brushes on an alternator?

Yes, it is possible to change the brushes on an alternator. Checking and replacing the brushes is a regular maintenance process, especially after dismantling the alternator or voltage regulator or when there are issues with the charging system. The brushes transmit power supply to the rotor windings.

6. Do modern alternators charge at idle?

Yes, modern alternators are designed to charge the battery while the engine is running, even at idle. As long as the engine is running, the alternator will start to charge the battery and provide power to the electrical system of the vehicle.

7. What shortens the life of alternator?

Several factors can shorten the lifespan of an alternator. Excessive energy demands from the battery and electrical system can cause the alternator to charge at maximum capacity, putting strain on its components. Additionally, decreased output from failed or corroded sections of the rotor can also contribute to the alternator not functioning properly, requiring repair or replacement.

Editor's Notes

During our alternator brush holder research, we found 24 alternator brush holder products and shortlisted 10 quality products. We collected and analyzed 3,422 customer reviews through our big data system to write the alternator brush holders list. We found that most customers choose alternator brush holders with an average price of $12.70.

The alternator brush holders are available for purchase. We have researched hundreds of brands and picked the top brands of alternator brush holders, including Mytee Products, Generac, Wakit Grinders, DB Electrical, Yosoo. The seller of top 1 product has received honest feedback from 693 consumers with an average rating of 4.6.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.