Ignitions and Electrical Charging Systems

Powermaster

ALT GM CS130D POLISH 120A 6 GRV PULLEY OFFSET LEFT MTG 1WIRE

$232.18

SKU: P01Q 282331

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Powermaster 282331 is a GM CS130D style alternator designed for high performance and reliability. This alternator offers a polished finish and a 6-groove serpentine pulley.

It provides 120 amps of top-end output and 95 amps at idle, ensuring sufficient power for demanding electrical systems. The unit features a one-wire hookup for simplified installation.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandPowermaster
Part NumberP01Q 282331

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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