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Ignitions and Electrical› Charging Systems

Tuff Stuff

GM Alternator As Cast In ternal Regulator 100 amp

$194.33 $139.44 Save $54.89

SKU: T01U 7127D9

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Tuff Stuff 7127D9 is a 100-amp alternator designed for 12-volt negative ground systems. It features an internal regulator, a single V-groove pulley, and a natural finish. This alternator is built with 100% new components and is tested to meet or exceed OEM specifications.

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

BrandTuff Stuff
Part NumberT01U 7127D9

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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