Is the Powermaster 67293-114 a direct fit for my GM engine?

It fits many GM engines with a serpentine belt drive and the matching Powermaster bracket. Check your accessory drive and pulley spacing before ordering, since serpentine and V-belt setups differ.

How does a one-wire alternator work?

It self-excites through the charge wire, so you run one wire to the battery and no regulator wiring. The trade-off is that charging can be weak at low idle until rpm rises.

Is 150 amps enough for electric fans and audio?

Yes for most street builds. A pair of electric fans, a fuel pump and a modest audio system fit within 150 amps; add up your loads if you run high-power amps or a lot of lighting.

Does it come with a pulley and belt?

It ships with a serpentine pulley installed. The belt is not included, so match the belt to your accessory drive.

Will it work on a computer-controlled GM car?

It is aimed at carbureted and older GM setups. Late-model cars with computer-controlled charging may need a different unit that talks to the ECU.

What do buyers say about the Powermaster 67293-114 Alternator 150 Amps Serpentine 12V GM?

Rated 4.7 out of 5 from 23 ratings.

Powermaster 67293-114 Alternator 150 Amps Serpentine 12V GM

4.7

Last price we saw

$214.99at Speedway Motors, last seen Nov 2

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Our take on the Powermaster 67293-114 Alternator 150 Amps Serpentine 12V GM

The Powermaster 67293-114 is a 150-amp, 12-volt alternator for GM applications with a serpentine belt drive. It is a one-wire unit, so it self-excites and needs no separate regulator wiring, and it comes with a polished finish for show use. At 150 amps it supports added electrical load like fans, fuel pumps and audio. It is a direct-fit upgrade for many GM serpentine setups rather than a stock replacement.

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