Sale

Ignitions and Electrical Charging Systems

Powermaster

ALT GM 12SI BLACK 150A 1V PULLEY 1 OR 3 WIRE

$257.50 $200.40 Save $57.10

SKU: P01Q 57293

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Powermaster 57293 is a high-output 140-150 amp alternator, often featuring a 1-wire design for simplified installation. It comes with a black finish and a v-belt pulley, commonly fitting Chevrolet C10 models from 1960 to 1987, and other GM vehicles with a 12SI style alternator.

Fitment

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Specifications

BrandPowermaster
Part NumberP01Q 57293

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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