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The alternator is a critical component of your vehicle's electrical system, responsible for recharging the battery and powering accessories. The brush holder, a small but vital part within the alternator, ensures proper contact between the rotor and stationary brushes. Selecting the correct replacement brush holder is essential for maintaining optimal alternator performance and preventing premature failure.
[Wide Compatibility]: This alternator brush holder and brushes kit is compatible with various Denso alternator models, including 021620-2530, 021620-2720, 31105 PD1 034, 31105 PR7 A01, 31105 PT0 003, and more. Ensure proper fitment by checking the...
[Premium Durability]: Crafted from high quality ABS and aluminum alloy materials, this alternator brush holder is wearproof, durable, and built to last. It can withstand the demands of continuous use and provide a long service life, saving you time and...
[High Performance Solution]: With professional manufacturing technology and careful construction, this alternator brush holder repair kit delivers high reliability and stable performance. It ensures the efficient charging system operation of your vehicle...
[Easy and Direct Replacement]: Replace your old or damaged alternator brush holder effortlessly with this excellent replacement option. Built to the original factory standard, it provides a perfect fit and eliminates the need for any complicated...
[Long lasting Reliability]: Thanks to its exquisite and careful workmanship, this alternator brush holder is designed to be a reliable and long lasting component for your vehicle. It eliminates the need for frequent replacements, allowing you to enjoy...
Replacement Part Numbers: 021620-2430, 74909206, 0216202430
Condition: New; Voltage: 12V; Mounting Hardware Included: No; Number of Pieces: 1; Country of Origin: CN
Brand New Brush Holder Assembly - Manufactured With New Premium Quality Components - Engineered To Meet Or Exceed OEM Specifications - Tested For Reliability, Durability And Performance
See Product Description for Additional Specifications
Compatibility: Alternator brushes fit for Denso Alternators. Alternator repair compatible for Denso 021620‑2530, 021620‑2720, 31105 PD1 034, 31105 PR7 A01, 31105 PT0 003, etc. 31105 PD1 034, 31105 PR7 A01, 31105 PT0 003. 27370-42010, 27370-75060
Exquisite Craftsmanship: Alternator regulator brush holder is made with exquisite craftsmanship, produced according to the original parts, has a compact structure. After replacement, it can accurately fit the motor, allowing the motor to work stably
Easy Installation: Engine alternator brush holder doesn't need complicated professional installation steps for the installation. Don’t need to go to the repair shop to replace alternator brush yourself, making motor maintenance convenient and quick
Industrial Material: Alternator brush holder rebuild is mainly made of ABS material and aluminum alloy. The white ABS is convenient for detecting the use of the motor. The aluminum alloy material is high hardness, has good heat dissipation effect
Warm Tips: Alternator brushes replacement is not universal. Please confirm the size of the original brush before purchasing so that can use alternator brush accurately. There is only 1PCS brush in the package, and it does not include the fixed pin
Replacing OEM numbers:31105-PD1-034,31105-PR7-A01,31105-PT0-003,27370-42010, which is a direct replacement for the old or broken one.
Compatible with Denso Applications ,Compatible withToyota, Compatible with Honda , Compatible with Lexus, Compatible with Mazda , Compatible with Scion , Compatible with Mini , Compatible with Chevrolet ,Compatible with Geo , Compatible with Pontiac.
Compatible with Nippondenso,Compatible withDenso Alternators.
The part has a length of 40 mm, a width of 33 mm, and an aperture of 4 mm.
Simple to install with no special tools required, allowing for a quick and effective repair to get your alternator working like new.
[Oem Specifications] Manufactured to oem specifications, this brush holder matches the original shape, fit, and function, enhancing compatibility with multiple for reliable performance.
[Stable Voltage Output] Ensures stable voltage output even with speed variations or electrical load changes, meeting the demands of your electrical equipment reliably and efficiently.
[Easy Installation] Effortless installation makes this alternator brush assembly an excellent replacement for old or damaged brush holders, providing convenience and ease.
[Versatile Compatibility] Compatible with various alternator systems like 021620 2530 and 021620 2720, this carbon brush holder enhances overall performance and reliability, offering a versatile solution.
[Highly Construction] Constructed from abs and aluminum alloy, this alternator brush holder is water proof, impact-proof, and lightweight, for challenging environments.
1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we...
100% New aftermarket Brush Holder - Alternator built to meet OEM specifications
🧩 Direct Replacement for Multiple Part Numbers Replaces 021620-3020, 021620-3030, 39-8206, 31105-RAA-A01, 27370-0F060, and numerous cross-reference part numbers across Denso-type alternators.
⚡ Restores Alternator Charging Performance Fixes weak charging, battery light warnings, dim lights, and unstable voltage caused by worn brushes. Ensures proper contact and consistent current delivery.
🛠️ Precision-Built Brush Holder Assembly High-quality carbon brushes and durable construction engineered for long service life. Drop-in fit for many OEM Denso and Denso-style alternators.
🔍 Compatible With Many Unit Numbers Fits a wide range of alternator unit numbers including 11030, 11032, 11033, 11034, 11035, 11054, 11136, 11137, 11323, 11325, 11383, 13870, 13984, 24086, and many more.
✔️ Premium Aftermarket Replacement Manufactured to match OEM specifications. Tested for proper function and brush seating before shipping. Professional or DIY installation.
[Durable Build]Crafted from ABS and aluminum alloy, this Carbon Brush Holder is waterproof, impact-resistant, and lightweight, built to withstand demanding conditions over time.
[Consistent Voltage Output]Designed as an Alternator Brush Holder for rebuilds, it helps maintain steady voltage output despite speed fluctuations or electrical load shifts.
[Straightforward Installation]The Alternator Brush Repair Holder is engineered for simple setup, serving as a direct replacement for worn or damaged brush assemblies.
[OEM-Aligned Design]This Alternator Brush Box follows OEM specifications in shape, fit, and function, ensuring it replaces original components like part number 31105 PT0 003.
[Broad Model Fit]The Brush Holder works with multiple , including those numbered 021620 2530 and 021620 2720, offering solution for various alternator systems.
ABS AND ALUMINUM ALLOY MATERIAL - The alternator brush kit is made of premium ABS and aluminum alloy material, which is waterproof anti-, impact, and lightweight. It's easy to use and can maintain a long lifespan
STABLE PERFORMANCE - The alternator rebuild kit ensures that the output voltage of the alternator is not affected by the change of speed and electrical equipment to meet the needs of electrical equipment. Professionally manufactured, exquisite workmanship...
CONVENIENT TO INSTALL - Alternator carbon brushes for the alternator is easy and convenient to install and use. It is a wonderful replacement for the old or broken one, due to the original factory standard, the old or damaged alternator brush holder can...
RIGOROUS TESTING - Our alternator carbon brushes are manufactured according to the original factory specifications. Establish compliance with standard specifications and strictly follow factory quality control. Strict quality standards to ensure good...
COMPATIBILITY - Do the automotive alternator carbon brushes fit Denso 021620 2530, 021620 2720, fits for 31105 PD1 034, 31105 PR7 A01, 31105 PT0 003, etc. Built to OEM specifications, designed to have the same form, fit, and function as OEM original, meet...
Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Alternator Brush Holders
Choosing the Right Material and Design
Brush holders are commonly made from plastic or metal composites. Plastic holders are often lighter and more cost-effective, while metal designs may offer greater durability in high-stress environments. The design of the holder also matters; ensure it allows for smooth brush movement and consistent contact with the slip rings. Some aftermarket options may offer enhanced features for longevity or improved performance.
Frequently Asked Questions
How do I know if my alternator brush holder needs replacement?
Signs include a battery warning light on the dashboard, dimming headlights, or a dead battery. You may also notice a burning smell from the alternator or hear unusual noises. These symptoms indicate a potential issue with the charging system, where the brush holder could be a culprit.
Can I replace just the brushes, or do I need the entire holder?
In many cases, the brushes are replaceable parts within the holder. However, if the holder itself is cracked, melted, or damaged, it's necessary to replace the entire assembly. It's often recommended to replace both the brushes and the holder together for optimal performance.
What is the difference between a brush holder with and without a voltage regulator?
Some alternator brush holders are integrated with the voltage regulator, a component that controls the output voltage. Others are separate, meaning the voltage regulator is a distinct part. You must identify which type your vehicle uses to ensure correct replacement.
How long does an alternator brush holder typically last?
The lifespan of a brush holder varies depending on driving conditions, vehicle usage, and the quality of the part. Generally, they can last for many years and thousands of miles. However, wear and tear are inevitable, and they may need replacement sooner if subjected to extreme conditions or if other alternator components fail.
Is it safe to drive with a failing alternator brush holder?
Driving with a failing brush holder is not recommended. A compromised charging system can lead to a dead battery, leaving you stranded. It can also cause damage to other electrical components in your vehicle due to inconsistent voltage supply.
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