1-734-237-8442 sales@usalternators.com

Power Makes Perfect!

Do you lack steady voltage or have low-idle output? If you have a large stereo or an off-road vehicle with extra lights and/or a winch, look no further than US Alternators to supply the power your vehicle deserves.

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OEM Functionality & Reliability

It is our goal to provide customers with the best product on the market that will service any application for years to come. We do just that by making high performance and high output units that retain OEM functionality and reliability.

Unparalleled Customer Service

By taking a customer-centric approach to all that we do, we provide outstanding customer support alongside an excellent product. If you have questions or concerns, we have made it a priority to answer quickly and with honesty.

Cutting-Edge Technology

Using the best and latest technology is at the core of our top-quality, high amperage hairpin alternators. Whether it be our custom rectifiers, stators or rotors, we continue to perfect our product to deliver you optimal results.

The Heart of Your Electrical System

Car audio and electronic enthusiasts often fill their vehicles with TV screens, lights, audio equipment and other aftermarket accessories causing their vehicles to create huge draws of power. Owners often upgrade their hood battery or add additional batteries in the trunk of the vehicle in hopes of satisfying the demand, but don’t understand that the alternator is the heart and power plant of their electrical system.

Don't Skimp on What's Important

There are various options currently on the market to replace and fix stock alternators. Many of them are using used and remanufactured parts in an attempt to make a quick buck. The result is a sub-par product that doesn’t retain OEM functionality or reliability. US Alternators is one of the few companies on the market to use new OEM parts you can depend on.

Don't settle for used parts

Give your vehicle the best high output power and OEM reliability it deserves See Our Alternators

What Our Customers Are Saying

I highly recommend US Alternators to any serious audiophile. Daniel has displayed the best customer service imaginable. My hairpins are exactly what I was hoping for. They supply my setup with more than enough power.

Adam

(3) 250a Hairpins, Nevada

Couldn’t be happier with my 250a US Alt. On my Nendo bc3500 I don’t drop under 13.8v full tilt. I paid a pretty penny to get all the bells and whistles, but it was worth it. I recommend US Alts to anybody. #1 customer service.

Billy

250a Hairpin, Michigan

I love my US Alternator. My 240a is definitely of high build quality. My voltage holds steady under load. Daniel has always been fast to reply with any questions I have and to be honest, I’d never go with any other alt brand.

Trevor

240a S-Wound, Utah

During the whole order process, Daniel kept me very updated about my alt. He responds quickly to all my questions. I’m digging the durable, high-quality parts. I’ll be getting a 2nd alt soon. US Alts is my #1 recommendation!

Carl

250a Hairpin, New Jersey

US Alternators is the best by far with the quality of production of high-output alternators. I am totally satisfied! Especially with the outstanding customers service Daniel has provided. I am proud to have 250a alt for my ’13 Fiesta.

Ismael

250a Hairpin, Texas

At first, I was hesitant to go with US Alternators due to the cost. But as soon as I made the purchase, I knew I had made the right decision! Daniel bent over backwards to help me get my alternator right. He makes an amazing product.

Brayden

250a Hairpin, Utah

The time to upgrade is now

Give your vehicle the power it deserves See Our AlternatorsRequest A Quote