Part #: 8437N

WAI 8437N Alternator

⚙️ 4 vehicles fit this part
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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 8437N alternator is designed specifically for Ford Mustang models, providing consistent electrical charging and starting performance. Engineered with a 12-volt system and a 135-amp rating, this alternator supports your vehicle's electrical demands efficiently.

Key Features of the WAI 8437N Alternator

  • 12-volt electrical system compatibility
  • Internal fan type for effective cooling
  • Clockwise (right) rotation direction
  • Includes a 6-groove serpentine pulley
  • Internal voltage regulator for stable output
  • Designed for Ford Mustang applications
  • Non-decoupled clutch pulley design

Detailed Product Description

The WAI 8437N alternator is built to meet the electrical needs of Ford Mustang vehicles, featuring an internal fan that ensures proper cooling during operation. Its clockwise rotation and 6-groove serpentine pulley are engineered to match factory specifications, ensuring seamless integration with the vehicle's belt system. The internal voltage regulator maintains consistent voltage output, protecting your Mustang's electrical components. With a 135-amp amperage rating, this alternator supports high electrical loads, making it suitable for Mustangs equipped with additional electrical accessories.

Common Applications and Issues Addressed

  • Replacement for worn or failing alternators in Ford Mustang models
  • Resolves battery charging problems and electrical system failures
  • Eliminates dimming headlights and electrical accessory malfunctions
  • Addresses issues with serpentine belt slippage due to pulley wear
  • Improves overall starting reliability and engine performance

Installation Notes and Tips

When installing the WAI 8437N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation matches the original equipment to avoid compatibility issues. Since this alternator includes an internal voltage regulator, external regulators are not required. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance.

Quality Assurance and Warranty Information

WAI alternators are manufactured to meet OEM standards for durability and performance. The 8437N alternator undergoes rigorous testing to ensure reliable operation in Ford Mustang vehicles. Please refer to WAI's official warranty policy for specific coverage details.

BrandWAI
Part Number8437N
1212
Fan TypeInternal
Rotation DirectionClockwise (right)
Pulley IncludedYes
FamilyFord
Pulley Groove Quantity6
Pulley Belt TypeSerpentine
Regulator TypeInternal
Decoupled Or Clutch PulleyNo
Amperage Rating135

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008FordMustang4.0LV6N/A
2007FordMustang4.0LV6N/A
2006FordMustang4.0LV6N/A
2005FordMustang4.0LV6N/A

* 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:

4R3T-10300-AA4R3T-10300-AB4R3T-AA4R3T-AB4R3Z-10346-AA6R3T-10300-CA6R3T-10300-CB6R3Z-10346-A6R3Z-10346-AARM6R3Z-10346-ARM6R3Z-10346-BRM6R3Z-10V346-AARM8437FRRM6R3T-10300-CE

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