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A-Premium's 63A, 12V alternator is a one-wire, self-exciting replacement for the Delco 10SI-style units used on a long list of 1970s and early 1980s GM cars and trucks. It spins clockwise on a single-groove pulley and is sold as a direct swap for OEM numbers 7127SEN, 7127-SE and 1100125. The 63A output is modest by modern standards but matches the original equipment on most of these vehicles, so it suits stock or lightly upgraded electrical systems rather than heavy audio or winch loads. It is a budget aftermarket unit, so expect it to be a value alternative to a rebuilt Delco rather than a premium high-output upgrade.
In stockSold by A-PremiumReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Availability unknown
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Lowest price we've seen: $88.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
This is a replacement alternator for the charging system of select Chevrolet, GMC, Buick, Cadillac, Pontiac and Oldsmobile vehicles. It is built to meet or exceed OEM specifications. It is rated 12V and 63A and comes with a 1-groove pulley.
It is a DR 10SI style unit with a self-excite, 1-wire design, and it fits models with the optional equipment. The rotation is clockwise. One alternator is included.
