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Alternator bearings are crucial components that ensure your alternator spins smoothly and efficiently, directly impacting your vehicle's electrical system. Worn-out bearings can lead to noise, reduced charging performance, and eventual alternator failure. Selecting high-quality replacement bearings is essential for maintaining reliable power delivery and avoiding costly repairs.
Fitment: Generator bearing is suitable for model.The OEM number is 23721-AA040.
The replacement part number for reference: for IR/IF Alternators (S.R.E.)- BRG0061, 800615, 130-01047, 130-01109, B800DRR, S930P18570, S930P63605, S930P63670, 8004D, 8004DJ, SC8A05LHI, 10-800-4, 10-800-4W, Z5-2312.
Long service life: The bearing is made of high-hardness iron material, which has high hardness, ,, and is not easy to damage, ensuring long-term use.
Installation: The original standard, easy to install and replace, does not require complicated and professional tools, can be directly replaced by old or damaged, is a accessory.
Quality guarantee: and customer service,12 month and customer service. If you have any questions, please email us first and we will be happy to help you until you are satisfied.
1.Fitment:Practical accessory fits for .Replacing OEM numbers for reference: 23721-AA040.
2.Outstanding performance:Professional manufacturing, in size, a great modification part to upgrade your vehicle.Features less friction and higher speed, practical ot use.
3.Premium quality :The Generator Bearing is made of quality iron material, the bearing is and ageing resistant.which has long service life.so that make sure the Generator Bearing work well all the time.
4.Easy to install:The Generator Bearing is easy to install, no modification is required.save time and effort.convenient for using.You can replace the old or broken one directly.
Product Detail: Built to meet standard specification, strictly follow factory quality control.Fine workmanship, wear‑resistance and the service life is longer.
5.Purchase service:We value the shopping experience and satisfaction of each customer, so we provide technical support. If the product install or quality have any problem, please us in time.We will solve it as soon as possible.
【Long Service Life】Alternator bearing is constructed of high strength aluminum alloy material, strong and , not easy to and break. This alternator bearing has been extensively tested for quality and safety performance and will last for a long time.
Superior Performance: Alternator bearing can play a stable support role and reduce the coefficient of friction during its movement.
OE part numbers for reference: 6303 2RS, 54700, Other OE: for J N 130-01020, 130-01095-10, 130-01095-162, 130-01128, 130-01128-10, for 949100-1010, 949100-2820.
OE Number: For J N 130‑01020, 130‑01095‑10, 130‑01095‑162, 130‑01128, 130‑01128‑10, for 949100‑1010, 949100‑2820; Replacement for F0JY10A303A, etc.
【Reference OE Part Number】The alternator bearing is a replacement for J N 13001020, 1300109510, 13001095162, 13001128, 1300112810, for 9491001010, 9491002820; Replacement for F0JY10A303A, etc. It is very suitable with your car, please confirm your...
Compatibility ---- Alternator repair tools are widely used, replacement for Alternators 0124515010, 0124525139. If you are unsure of the item, please us before buying to avoid unnecessary return, thanks!
OE reference number ---- Alternative Repair Kit manufactured by OE manufacturer according to strict OE specifications and factory tested, OE: 230090
Main Function ---- Slip rings and brushes are the connection between moving and stationary electrical appliances. The carbon brush slides on the slip ring, which can ensure the of and power.
Easy to use ---- Generators Slip Ring Brushes are easy to use and install, no cfor OMPlicated steps and techniques are needed, designed for According to the original car size
Package Included ---- Complete alternator repair kit includes 1pcs slip ring, 2pcs bearings, 4pcs brushes, 1pcs slip ring bracket to help alternator functionality.
Brand New unit built to meet OEM specifications | 1 YEAR WARRANTY
SPECIFICALLY ENGINEERED AND TESTED to meet or exceed OE (original equipment) form, and function. DTS is manufactured by AMF Industrial with 30 years automotive experience in more than 10 countries.
Replacement for 10-30314 BRG0056 800631 13001079 B3031DRR 6303XLLJ
Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Alternator Bearings
Installation and Maintenance Tips
Proper installation is key to maximizing the life of new bearings. Ensure the alternator housing is clean and free of debris before fitting the new bearings. Use appropriate tools to press the bearings in squarely, avoiding any damage to the races or shields. Regular checks for any unusual noises or vibrations from the alternator can indicate early bearing wear. Addressing these signs promptly can prevent more significant damage.
Frequently Asked Questions
What are the symptoms of bad alternator bearings?
Common signs include whining, grinding, or squealing noises coming from the alternator, especially when the engine is running. You might also notice flickering dashboard lights or a battery warning light, indicating a charging issue.
How long do alternator bearings typically last?
The lifespan of alternator bearings varies greatly depending on driving conditions, vehicle maintenance, and the quality of the bearings themselves. Generally, they can last anywhere from 50,000 to 100,000 miles, but can fail sooner under harsh use.
Can I replace just the bearings, or do I need a whole new alternator?
In many cases, it is possible to replace just the bearings if the alternator housing and other internal components are still in good condition. However, if the alternator has suffered extensive damage or wear, replacing the entire unit might be more cost-effective.
What's the difference between sealed and unsealed bearings?
Sealed bearings have rubber or metal shields that help keep contaminants like dirt and moisture out, offering better protection and longevity in automotive applications. Unsealed bearings are more exposed and require more frequent maintenance and lubrication.
Do I need special tools to replace alternator bearings?
Yes, replacing alternator bearings typically requires specialized tools such as a bearing puller, a press, and sockets of the correct size to safely remove and install the bearings without causing damage.
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