Q: Don't know which amp alternator to get to replace mine.
Have a 2013 GMC Sierra 1500 Denali with 6.2l v8 and my alternator needs to be replaced but there are 2 replacement options a 145amp and a 160amp and I don't know which one to get, or which one my truck needs or does it make a difference? Don't want to get wrong one
My car has 82355 miles.
My car has an automatic transmission.
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Hi there. The amperage rating is not the power of an alternator but rather the output that it can handle. Either alternator will work on your vehicle with no problems. I recommend putting in what your vehicle came with stock, however, if there are added features in the vehicle, then I recommend going with the 160 amp alternator. If you need further assistance with your alternator, then seek out a professional, such as one from Your Mechanic, to help you.
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