Part #: 13728N

WAI 13728N Alternator

⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$152.97Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, 200SX and Sentra
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Nissan 200SX and Sentra

The WAI 13728N alternator is designed to provide consistent electrical charging and starting performance for Nissan 200SX and Sentra models. Engineered with an internal fan and regulator, this alternator ensures efficient operation and durability under various driving conditions.

  • 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
  • 80-amp amperage rating suitable for standard electrical loads
  • Hitachi family design for reliable performance
  • No decoupled or clutch pulley included

Detailed Product Description

The WAI 13728N alternator is built to meet the electrical demands of Nissan 200SX and Sentra vehicles. Featuring an internal fan, it maintains optimal operating temperatures by efficiently dissipating heat during engine operation. The clockwise rotation direction matches the original equipment specifications, ensuring proper fit and function. This alternator comes with a serpentine pulley that has six grooves, compatible with the serpentine belt system used in these Nissan models. The internal voltage regulator maintains consistent voltage output, protecting your vehicle’s electrical components from fluctuations. With an 80-amp rating, this alternator supports the standard electrical load requirements of the Nissan 200SX and Sentra, providing reliable charging performance.

Common Applications and Issues Addressed

  • Replacement for failing or underperforming alternators in Nissan 200SX and Sentra
  • Resolves battery charging problems and electrical system malfunctions
  • Addresses dimming headlights and electrical accessory failures
  • Fixes issues related to voltage irregularities and power loss
  • Suitable for vehicles requiring a serpentine belt-driven alternator with internal regulator

Installation Notes and Tips

When installing the WAI 13728N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches your vehicle’s original alternator. Since this alternator includes an internal voltage regulator, external regulators are not necessary. It is recommended to check the battery and electrical connections for corrosion or damage during installation to ensure optimal performance.

Quality Assurance and Warranty

WAI alternators are manufactured to meet industry standards for durability and performance. The 13728N alternator is part of the Hitachi family, known for reliable electrical components. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.

BrandWAI
Part Number13728N
1212
Fan TypeInternal
Rotation DirectionClockwise (right)
Pulley IncludedYes
FamilyHitachi
Pulley Groove Quantity6
Pulley Belt TypeSerpentine
Regulator TypeInternal
Decoupled Or Clutch PulleyNo
Amperage Rating80

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999NissanSentra1.6LL4N/AHitachi Unit
1998Nissan200SX1.6LL4N/A
1998NissanSentra1.6LL4N/AHitachi Unit
1997Nissan200SX1.6LL4N/A
1997NissanSentra1.6LL4N/AHitachi Unit

* 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:

13728214502145923100-3M20023100-3M200R23100-4M51023100-6J91023100-AU00023100-BU01023100-BU015A0002655221A002TB3191A003TB0091LR180-751LR180-751BLR180-751RLR180-762LR180-768

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