Ignitions and Electrical› Charging Systems

Powermaster

MOD 200 AMP ALTERNATOR

$517.23

SKU: P01Q 58203

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Powermaster 58203 is a Street Alternator, 200A, Serpentine, 12V, GM, designed as a high-output replacement for lower amperage units in GM vehicles. It features a large case GM CS144 style, delivers 200+ amps at top end and 125+ amps at idle, and is suitable for 1 or 3 wire operation. It is individually dyno tested and includes a fan baffle for superior cooling.

Fitment

Fitment Guaranteed

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on fit.

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 58203

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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