Part #: 8406N

WAI 8406N Alternator

3 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, Focus
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Reliable Alternator for Ford Focus Vehicles

The WAI 8406N alternator is designed specifically for Ford Focus models, providing consistent electrical charging and starting performance. Engineered with an internal fan and regulator, this alternator supports your vehicle's electrical system efficiently.

Key Features of the WAI 8406N 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
  • 110 ampere rating suitable for Ford Focus electrical demands
  • Designed for Ford vehicle family fitment

Detailed Product Description

The WAI 8406N alternator is built to meet the electrical requirements of Ford Focus vehicles. Featuring an internal fan, it ensures proper cooling during operation, which helps maintain optimal performance and longevity. The clockwise rotation direction aligns with the original equipment specifications, ensuring seamless integration. This alternator comes with a 6-groove serpentine pulley included, compatible with the Ford Focus belt system. Its internal voltage regulator maintains consistent voltage output, protecting your vehicle's electrical components. Rated at 110 amps, it provides sufficient power for the charging system and electrical accessories.

Common Applications and Issues Addressed

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

Installation Notes and Tips

When installing the WAI 8406N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches your vehicle’s original alternator. Check electrical connections for corrosion or damage before installation. It is recommended to test the charging system after installation to confirm proper operation.

Quality Assurance and Warranty

WAI alternators are manufactured to meet OEM standards for fit and function. The 8406N alternator undergoes rigorous testing to ensure durability and reliable performance in Ford Focus vehicles. Please refer to WAI’s warranty policy for specific coverage details.

BrandWAI
Part Number8406N
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 3 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2007FordFocus2.3LL4N/AExc. PZEV Spec, Federal Emmissions
2006FordFocusAutomatic2.0LL4N/AExc. PZEV Spec, Federal Emmissions, Exc. PZEV Spec, Federal Emmissions
2005FordFocusAutomatic2.0LL4N/AFederal Emmissions, Federal Emmissions

* 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:

4S4T-10300-AC4S4T-AC4S4Z-10346-AB5S4T-10300-AB5S4T-10300-AC5S4T-AB5S4T-AC5S4Z-10346-A6S4T-10300-AD6S4T-AD6S4Z-10346-AA6S4Z-10V346-ABRM6S4Z-10V346-BBRM6S4Z-10V346-BCRM6U2Z-10V346-CARM7S4T-10300-AA7S4T-AA7S4Z-10346-A7S4Z-10346-AARM8406HFHHRM6U2J-10D309-FCRM6U2J-10D309-JC

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