ALT GM CS130 CHROME 140A

Name: ALT GM CS130 CHROME 140A
Brand: Powermaster
SKU: P01Q 378021-362
Price: 315.00 USD
Availability: InStock

$315.00

SKU: P01Q 378021-362

Special Order

Ships in 4–6 weeks

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Easy — 1–2 hours

Description

This Powermaster alternator is a chrome 140 amp unit designed for 12 Volt charging systems. It's a GM CS130 style alternator, accepts either a 1-wire or 3-wire connection, and features internal and external cooling fans. It has 6.61" bolt spacing and uses a single V-belt pulley. It's an excellent replacement for 10/12si units.

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

Brand	Powermaster
Part Number	P01Q 378021-362

Videos

Major 140 AMP Alternator UPGRADE!

Powermaster Alternator Install. (Tips for a successful install)

Upgrading to the One Wire Alternator

One Wire Alternator Comparison

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