Part #: 8266N

WAI 8266N Alternator

4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mustang
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Reliable Alternator for Ford Mustang Vehicles

The WAI 8266N alternator is designed specifically for Ford Mustang models, providing consistent electrical charging and starting performance. Engineered with an internal fan and regulator, this alternator supports your vehicle's electrical system with a 110-amp output and serpentine belt compatibility.

Key Features of the WAI 8266N Alternator

  • 12-volt electrical system compatibility
  • Internal fan type for efficient cooling
  • Clockwise (right) rotation direction
  • Includes a 6-groove serpentine pulley
  • Internal voltage regulator for stable output
  • Designed for Ford Mustang applications
  • 110-amp amperage rating for reliable power supply

Detailed Product Description

The WAI 8266N alternator is built to meet the electrical demands of Ford Mustang vehicles. Featuring an internal fan, it ensures proper cooling during operation, which helps maintain optimal performance and longevity. The clockwise rotation and included 6-groove serpentine pulley make it compatible with the Mustang's existing belt system. With an internal voltage regulator, this alternator maintains consistent voltage output, protecting your vehicle's electrical components. The 110-amp rating supports the charging needs of modern Mustang electrical systems, ensuring reliable starting and battery charging.

Common Applications and Issues Addressed

  • Replacement for worn or failing alternators in Ford Mustang models
  • Resolves battery charging problems and electrical system failures
  • Addresses dimming headlights or electrical accessory malfunctions
  • Fixes issues related to serpentine belt pulley wear or damage
  • Improves overall vehicle starting reliability

Installation Notes and Tips

When installing the WAI 8266N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches your vehicle’s requirements. Since the alternator includes an internal regulator and pulley, no additional components are necessary for installation. It is recommended to check the battery and electrical connections for corrosion or damage during replacement.

Quality Assurance and Warranty Information

WAI alternators are manufactured to meet OEM specifications for Ford Mustang vehicles. The 8266N part number undergoes rigorous testing to ensure durability and consistent performance. Please refer to WAI’s warranty policy for specific coverage details related to this alternator.

BrandWAI
Part Number8266N
1212
Fan TypeInternal
Rotation DirectionClockwise (right)
Pulley IncludedYes
FamilyFord
Pulley Groove Quantity6
Pulley Belt TypeSerpentine
Regulator TypeInternal
Decoupled Or Clutch PulleyNo
Amperage Rating110

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordMustang3.9LV6N/A
2003FordMustang3.8LV6N/AStd, 105 to 110 Amp, Supplied as 110 Amp
2002FordMustang3.8LV6N/AStd, 105 to 110 Amp, Supplied as 110 Amp
2001FordMustang3.8LV6N/AStd, 105 to 110 Amp, Supplied as 110 Amp

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1R3U-10300-AA1R3U-10300-AB1R3U-10300-AC1R3U-10300-AD1R3U-AA1R3U-AB1R3U-AC1R3U-AD1R3Z-10346-A1R3Z-10346-ARM1R3Z-10V346-ABRM1R3Z-10V346-ACRM8266FC

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.