Ignitions and Electrical› Charging Systems

Powermaster

ALT DENSO RACE 93MM POLISH 75A 1V PULLEY XS VOLT

$488.34

SKU: P01Q 28188

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 28188 is an XS Volt Denso Racing Alternator providing 75 amps at top end and 7 amps at idle. It features a user-adjustable voltage set point between 13.5 and 18.5 volts, an internal regulator, and a 1-wire hookup. Designed for racing applications, it comes with a 1V, 3/8" x 2.70" OD solid pulley.

Fitment

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Available on iOS & Android

Specifications

BrandPowermaster
Part NumberP01Q 28188

Videos

PRI 2018: Powermaster Introduces 100mm Denso-Style Alternator

PRI 2018: Powermaster Introduces 100mm Denso-Style Alternator
How to Choose a High-Amp Alternator

How to Choose a High-Amp Alternator
PRI 2015 - Powermaster Highlights Ultra High Speed Starters and Adjustable Voltage Alternators

PRI 2015 - Powermaster Highlights Ultra High Speed Starters and Adjustable Voltage Alternators
Upgrading to the One Wire Alternator

Upgrading to the One Wire Alternator
Powermaster Alternator Install. (Tips for a successful install)

Powermaster Alternator Install. (Tips for a successful install)

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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