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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...
Compatibility: This alternator brush holder and brushes kit is designed to seamlessly replace 021620‑2530 and 021620‑2720 while also being compatible with 31105 PD1 034 31105 PR7 A01 31105 PT0 003 and other similar units ensuring a precise fit for...
Construction: The alternator brush holder features a sturdy combination of ABS and aluminum alloy materials engineered to withstand daily wear and tear while maintaining structural integrity under demanding conditions
Reliability: Each alternator brush holder repair kit is manufactured using advanced techniques to deliver consistent performance and dependable operation for your vehicle’s electrical system
Direct Replacement: The alternator brush holder meets original equipment specifications allowing for a straightforward swap with your existing unit without requiring modifications or additional adjustments
Longevity: Meticulous craftsmanship ensures the alternator brush holder provides extended service life reducing the need for frequent replacements and keeping your alternator running smoothly
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
Widely Compatible: Alternator brushes kit is not only replecement for Denso 021620-2530 021620-2720, it also works for 31105 PD1 034, 31105 PR7 A01, 31105 PT0 003 and 27370-42010, 27370-75060, please check before purchasing
ABS and Aluminum Alloy: Brush repair kit is made of ABS and aluminum alloy materials. Alternator brush holder is sturdy and practical, not easy to break, and it has a long service life, and can meet your long-term using needs
Stable Function: Alternator rebuild repair kit has relatively stable function. Even under long-term use, alternator regulator brush set is not easy to wear and has relatively stable function, helping you save time replacement
Practical Tools: Alternator voltage regulator brush holder can not only help your vehicle's charging system work smoothly and promote the improvement of power output, but also used as a replacement for your alternator accessories
Easy to Replace: Alternator rebuild kit can not only directly replace old alternator brush holder, but alternator brush holder and brushes kit installation process is also relatively simple, which can better fit your alternator
Brand New Genuine Generac Brush Holder Assembly... We are an Authorized Generac Dealer... Brush Holder Assembly Genuine Generac Part # 0663860SRV Fits Specific Generac Generator Models Genuine OEM Generac Part
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
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
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.
Fitment---- Alternator Brush Holder is suitable for 021620‑2530, 021620‑2720, for 31105 PD1 034, 31105 PR7 A01, 31105 PT0 003, for 27370-42010, 27370-75060. Please confirm whether the product is suitable before purchasing
Quality Material---- Constructed from high-quality ABS and aluminum alloy, our Alternator Brush Holder Rebuild Kit offers wear-proof durability and a long service life, ensuring lasting reliability and stellar performance
High Standard Manufacturing---- Made using professional technology, our Alternator Brush Holder Brush Repair Kit guarantees high reliability and stable performance, delivering consistent functioning commitment throughout its usage
Exquisite Workmanship---- Through acute attention to detail and careful workmanship, our alternator rebuild kit ensures longevity. No need for frequent replacements, making it a cost-effective solution for your vehicle
Easy Replacement---- Meeting original factory standards, our product can directly replace your old or damaged alternator brush holder, simplifying the installation process, and ensuring a fit
Last update on 2026-07-17 / 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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