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Genuine GM Alternator


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We offer a full selection of genuine GM Alternators, engineered specifically to restore factory performance. Please narrow the Generator results by selecting the vehicle.

485 Alternators found

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About GM Alternator

A GM alternator holds the primary task of giving electricity to your many electrical accessories, and at the same it charges the 12 volt battery in your vehicle. Alternators are driven by a pulley while your engine is running. This pulley spins the parts inside of the alternator, and this in turn generates electric power for your vehicle. Many alternators are found at the front of the engine, while other vehicles have them on the side of the engine. Wherever you find your power steering pump or A/C compressor, you will see your alternator very close to these accessories.
If your GM has an electrical overload, it may overwork the alternator to the point where it will stop working completely. When you discover you have a down and out alternator, it's time to replace it. The process to do that starts with disconnecting your negative battery cable. After that you will need to loosen and remove the alternator mounting bolts, take of the pulley, then remove and replace with the new alternator. When you buy yourself a brand new GM alternator, you will have peace of mind in knowing that it is the same part used straight off of the GM factory assembly line.
We do not only sell the genuine OEM parts for your GM car, but also services. We have a team of experienced and dedicated customer service staff working for you, no matter for part availability or part question. We will try our best to solve your urgent needs to help you to place the order on You can never find another online genuine OEM store like us. We offer you the cheapest price on all parts on our catalog, and the price showing to you is up to 50% off MSRP. You never will regret having business with us, and we will never disappoint you. We have the best price and the best service, so what are you waiting for?
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This part contains hazardous material.

This part is a packaged part and contains multiple quantities of: (Pack Qty: 4)

This part is a packaged part and contains multiple quantities of the same item. In an effort to simplify packaging GM will sometimes include multiple parts in a package.