All alternators are for 12 volt, negative ground systems., Comes with a V-groove pullet that is designed to accept most V-belts, Specially made from 100% new components and carry a one year limited warranty, Alternator is built in Cleveland, Ohio and are tested to meet or exceed OEM specifications, Has a simple 1-wire alternator option which features a low idle cut-in internal regulator and provides plenty of charging at low RPMs
Tuff Stuff 7127D 1 Wire Alternator, 100 AMP, V Groove Pulley Tuff Stuff
Tuff Stuff 7127D 1 Wire Alternator, 100 AMP, V Groove Pulley
Sku # 91033013
Mfr. Part # 7127D
Condition
New
Brand
Tuff Stuff
Sold
Each
Details
Info

All Tuff Stuff alternators are hand built in Cleveland, Ohio and are tested to meet or exceed OEM specifications. All Tuff Stuff alternators are made from 100% new components and carry a one year limited warranty. Tuff Stuff has alternator applications for virtually all muscle cars, hot rods, customs and light trucks in just about every finish imaginable. Many enthusiasts prefer our clean, simple 1-wire alternator option which features a low idle cut-in internal regulator and provides plenty of charging at low RPMs. Available in chrome plated, polished aluminum, powder coated and plain as cast finishes. All alternators are for 12 volt, negative ground systems, except where noted.

  • Alternator
  • 100 AMP
  • OEM Or 1 Wire
  • V Groove Pulley
  • Internal Regulator
  • As Cast
Charts

(PDF)

Specs
Sold in Quantity
Each
Belt Type
V-Belt
Color
Natural
One Wire Alternator
Yes
MFG. Part #
7127D
Regulator Included
Yes
Alternator Pulley Included
Yes
Voltage Required
12-Volt
Alternator Amperage
100 amp
Alternator Finish
Natural
Pulley Style
V-belt
Alternator Brackets Included
No
Belt Included
No
Regulator Style
Internal
GTIN Code
698252015615
Alternator Case Style
GM 10SI/10DN/12SI
Notes
With 12si style smooth rear housing. V-belt pulley accommodates 3/8 in. wide belts.
Reviews

I'd buy it again

Rated
Product Rating
by Tater on August 01, 2019

Summary: Good product and price

Yes, I recommend this product.

Great price

Rated
Product Rating
by Craig on July 06, 2017

Summary: Worked well for my application

Yes, I recommend this product.

Easy install

Rated
Product Rating
by Craig on June 24, 2017

Summary: Great price

Yes, I recommend this product.

Good value

Rated
Product Rating
by Craig on June 23, 2017

Summary: Easy hook up.

Yes, I recommend this product.

Excellent unit

Rated
Product Rating
by Rodder on January 17, 2017

Summary: Used to convert gen system to alternator.

Yes, I recommend this product.

Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.