Ignitions and Electrical Charging Systems

Powermaster

ALT FORD 3G CHROME 155A 6 GRV PULLEY SMALL FRAME STR MTG 1 WIRE

$453.89

SKU: P01Q 377491

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 377491 is a chrome 3G style 155 Amp alternator designed for 12V Ford applications from 1963-1993 with 4.6L, 5.4L, 6.8L, or FE engines. It features a 1-wire connection, dual internal fans, 6.93” bolt spacing, and includes both a 6-groove and single groove pulley.

Fitment

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Specifications

BrandPowermaster
Part NumberP01Q 377491

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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