Ignitions and Electrical Charging Systems

Powermaster

ALT GM 17SI 12:00 120A

$243.89

SKU: P01Q 7288

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

Moderate — 2–4 hours

Description

The Powermaster 7288 is a 120-amp alternator designed to meet the increased electrical demands of modern vehicles. It features a GM 17SI case style and a natural finish. This alternator is compatible with 12-volt systems and offers one-wire capability for simpler installation.

Equipped with a serpentine pulley style and designed with an early OEM/retro look, the 7288 provides 95 amps at idle and 120 amps at full output. It includes a mounting kit for convenient installation.

Fitment

Fitment Guaranteed

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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 7288

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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