Ignitions and Electrical Charging Systems

Powermaster

GM CS130 Alt 140A w/One Wire

$315.00

SKU: P01Q 678021-362

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

Easy — 1–2 hours

Description

Powermaster designed this Polished 678021-362 GM CS130 Style 140 Amp Alternator to provide maximum power to the 12 Volt charging system on your hot rod, muscle car, truck, audio competition vehicle or sport compact! This highly efficient small case alternator accepts either a 1 wire or 3 wire connection, and features better cooling, with internal and external fans. With 6.61” bolt spacing, this alternator is an excellent replacement for 10/12si units, while the single groove pulley accepts a V Belt.

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 678021-362

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.

View Full Return Policy