• Brand New, Not Remanufactured 130 Amp Alternator
  • No core charge
  • Replaces dealer part number: XR3U-10300-AA, XR3U10300AA
  • Direct replacement
  • Built to strict quality control standards
  • Fits GT models with V8 4.6L SOHC Engine only

Fit guaranteed

  • This NEW alternator will install just as your original does.
  • Designed to fit your original engine brackets.
  • Your existing wiring harness will attach with no modification.


    • This Alternator will give you trouble free performance
    • Each unit is individually tested.
      • You'll receive a report with your alternator that shows its performance.
  • New vs. Remanufactured
    • Nothing is more frustrating than pulling off the side of the road with a failed alternator. That is why we carry only new alternators which are more reliable than remanufactured alternators.
    • Our Alternators are 100% NEW. Castings, pulleys, fans, hardware, internal parts, etc. are all new.
    • No Core Charge; No hassling with an old core
This replacement alternator is just what you need to get your vehicle in good working order again. If your battery is no longer being charged completely, or at all, this alternator may be the solution for you.

Returns Note:

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Browse 2 questions Browse 2 questions and 4 answers
Does it include regulator ?
susan d on Dec 21, 2015
BEST ANSWER: Yes. All alternators for 99-04 mustangs have a built in regulator.
I have a 03 mach 1 would this work on it ??
Jose8800 on Aug 7, 2017
BEST ANSWER: It should work fine. It fit and works perfectly in mine. All websites say that it should fit the Mach 1

Vehicle Fit

  • 1999-2004 Ford Mustang GT Alternator V8 4.6L SOHC

This part replaces:

  • OE # XR3U10300AA
  • Hollander 601-00859
  • Lester 8252
  • TYC 2-08252
Part #: 1AEAL00447

Order must be placed by 4pm ET