Carquest Alternator: Remanufactured, 145 Amps, 8550A
In stock
$234.99
Listed as compatible with this vehicle by the retailer feed.
Check price2013 GMC Sierra 2500HD Alternators
29 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Carquest Alternator: Remanufactured, 125 Amps, 11234A
In stock
$244.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Alternator: Remanufactured, 125 Amps, AL8813X
In stock
$292.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Alternator: Remanufactured, 160 Amps, AL8555X
In stock
$344.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Alternator: Remanufactured, 145 Amps, AL8855X
Out of stock
$251.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.