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Mechman S-Series 240 Amp Universal Racing Alternator Polished Finish 7127240P

CASE QUANTITY: 1

PACKAGE WEIGHT: 18.0 LB

SKU MM-7127240P
Save 20% Save 20%
Original price $586.99
Original price $586.99 - Original price $586.99
Original price $586.99
Current price $469.00
$469.00 - $469.00
Current price $469.00

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  • Made for Vehicles with Custom Mounting Brackets
  • Amperage Output: 240 Amps
  • Voltage Compatibility: 12
  • Serpentine Style Pulley Included
  • Internal Regulator Included


Mechman S-Series 240 Amp Universal Racing Alternator Polished Finish 7127240P


This listing includes:


(1) S-Series 240 Amp Universal Racing Alternator Polished Finish


The S series of 6 phase hairpin alternators offers incredible low RPM output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow ensure much better durability than standard Delco based alternators, even in severe conditions.

This custom designed housing directly replaces standard Delco 10DN, 10SI and 12SI alternators. A side output stud and seamless rear cover with a side output plug allow for better clearance from the back of the  alternator to the front of the engine and a smooth appearance. A single wire on the provided pigtail gets connected to any ignition switched 12V+ source to turn the alternator on and off with the ignition switch.

Simply run a properly sized positive and ground cable from the alternator to  the terminals of the battery and the alternator will work perfectly, regardless of what kind of wiring harness you have. Because of their compact size and standard GM mounting ears, these alternators also work well in many aftermarket or custom bracket installations.


Specifications:



  • Made for Vehicles with Custom Mounting Brackets

  • Amperage Output: 240 Amps

  • Voltage Compatibility: 12

  • Serpentine Style Pulley Included

  • Internal Regulator Included

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

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  • Amazon Pay
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International Payment Methods

  • Bancontact
  • iDEAL

Bank Transfers

  • Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

  • Klarna
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  • Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

  • Standard Shipping: Free for orders over $100.
  • Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

  • Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
  • Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

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  • If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.

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