WAI

WAI 13728N Alternator

Brand WAI 13728N
12 12
Fan Type Internal
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Hitachi
Pulley Groove Quantity 6
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley No
Amperage Rating 80
Fits Nissan · 5 vehicles

100% new unit. Not remanufactured, with proprietary components and processes.

80-amp output. Provides the power needed for modern electrical loads.

Internal regulator. Built with an internal fan and pulley included.

Cross-references BBB Industries 13728, 21450 and 21459 for the same application. See all 18.

$152.97Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Alternator for Nissan Sentra and 200SX

WAI Part Number 13728N is a 100% new alternator built for vehicles that need steady charging output and reliable electrical performance. It is engineered for the Hitachi family application used on select 1997-1999 Nissan Sentra and 1997-1998 Nissan 200SX models.

  • 80 amp output for charging-system support
  • Internal regulator for integrated voltage control
  • Internal fan design
  • Clockwise (right) rotation
  • Serpentine pulley with 6 grooves included
  • 100% new construction, not remanufactured
  • Hitachi family application

Built for OE-Style Charging Performance

This WAI alternator, Part Number 13728N, is engineered with proprietary components and manufacturing processes to support long service life and consistent performance. The 80 amp amperage rating, internal regulator, and included serpentine pulley make it a direct-fit charging component for the specified Nissan applications. It is a practical replacement choice for a 1997-1999 Nissan Sentra or a 1997-1998 Nissan 200SX with the Hitachi unit configuration.

This part cross-references BBB Industries 13728 for the same application.

Common Issues This Alternator Can Address

  • Battery warning light caused by low charging output
  • Dim headlights or unstable electrical performance
  • Battery drain from a failing alternator
  • Charging-system voltage irregularities
  • Accessory performance problems tied to insufficient amperage

Installation Notes and Tips

Verify pulley groove count, rotation direction, regulator type, and connector style against the original unit before installation. Confirm the vehicle uses the Hitachi-style alternator configuration listed for your Nissan Sentra or Nissan 200SX application. Inspect the belt condition and charging-system wiring during replacement to help ensure proper operation after installation.

Quality Assurance

WAI states that this alternator is 100% new and built with proprietary components and processes to support maximum life and performance. That construction approach is intended to provide dependable charging output for the listed Nissan applications.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1999NissanSentra1.6LL4N/AHitachi Unit
1998Nissan200SX1.6LL4N/A
1998NissanSentra1.6LL4N/AHitachi Unit
1997Nissan200SX1.6LL4N/A
1997NissanSentra1.6LL4N/AHitachi Unit
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13728214502145923100-3M20023100-3M200R23100-4M51023100-6J91023100-AU00023100-BU01023100-BU015A0002655221A002TB3191A003TB0091LR180-751LR180-751BLR180-751RLR180-762LR180-768