Sale

Ignitions and Electrical Ignition Boxes and Components

Powermaster

ALT CHRM GM 140 AMP 1WIRE

$328.75 $251.70 Save $77.05

SKU: P01Q 37294

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Powermaster 37294 Alternator is a 12SI-style alternator designed for various applications, delivering 150 amps at the top end and over 100 amps at idle. This chrome-plated alternator features a dual pulley and can be operated with either a 1-wire or 3-wire connection. It's a high-output replacement for early 10DN/10SI/12S alternators and comes with a proof of performance guarantee, as each unit is individually dyno tested.

Fitment

Fitment Guaranteed

Don’t gamble
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 37294

Videos

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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