Ignitions and Electrical› Charging Systems

Powermaster

GM CS130 Alt 140A w/side BAT

$288.34

SKU: P01Q 57402

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Powermaster 57402 GM CS130 Style Alternator is designed to provide maximum power to the 12-volt charging system. This 140-amp alternator features a black powder-coated aluminum case, a serpentine steel pulley, and accepts either a 1-wire or 3-wire connection.

It is engineered with internal and external fans for better cooling and includes a side battery post and an internal regulator. This unit is an ideal replacement for 10/12si alternators.

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 57402

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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