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Ignitions and Electrical› Charging Systems

Powermaster

Black Ford 100amp Upgrd Alternator

$257.50 $165.72 Save $91.78

SKU: P01Q 8-57100

In Stock
In Stock
Ships by Sep 15
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Powermaster 8-57100 is a Ford Style Race Smooth Alternator, offering 100 amps and 12V with a 1-wire connection. It features a 6-rib serpentine pulley, an aluminum case, and a black powder coat finish. It's designed as a bolt-on early model upgrade for Ford vehicles, with a gold battery post and a Proof Of Performance Tag. It delivers 70 amps at idle, and an 8 AWG charge wire is recommended. Powermaster specializes in high-performance alternators and starters for both street rod and racing applications.
Show original supplier description

Part #: 8-57100

Alternator - Ford Style Race - Smooth - 100 amp - 12V - 1-Wire - 6-Rib Serpentine Pulley - Aluminum Case - Black Powder Coat - Ford - Each

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandPowermaster
Part NumberP01Q 8-57100
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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