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    Tuff Stuff GM 80 Amp Alternator | 1-Wire V-Groove | 7127

    Part Number: 7127
    Regular Price $146.99

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    The Tuff Stuff 7127 is an 80 amp GM alternator built on the Factory Cast PLUS platform. It runs a 12V, 1-wire self-exciting circuit and a single V-belt pulley for GM V-belt accessory drives. The aluminum case has a natural finish.

    • Type: Alternator, Factory Cast PLUS
    • Output: 80 amps, 12V
    • Wiring: 1-wire self-exciting
    • Pulley: single V-belt
    • Case: aluminum, natural finish
    • Application: GM
    • Part number: 7127

    FAQ

    How many amps is the 7127 rated for?

    The 7127 is rated at 80 amps at 12 volts.

    Is the 7127 a 1-wire alternator?

    Yes. It is a 1-wire self-exciting unit.

    What pulley is fitted?

    It uses a single V-belt pulley.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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