Sale

Ignitions and Electrical Charging Systems

Tuff Stuff

140 Amp Alternator GM 1 Wire 6-Groove

$262.82 $172.77 Save $90.05

SKU: T01U 7127NK6G

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

Moderate — 2–4 hours

Description

This Tuff Stuff Alternator (part number 7127NK6G) is a 140 AMP unit with a 6-groove pulley and a chrome finish. It's designed for either OEM or 1-wire installations. All Tuff Stuff alternators are hand-built in Cleveland, Ohio, tested to meet or exceed OEM specifications, and made from 100% new components.

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 7127NK6G

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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