WAI 21600N Alternator
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WAI

WAI 21600N Alternator

Brand WAI 21600N
12 12
Fan Type Internal
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Valeo
Pulley Groove Quantity 6
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley Yes
Amperage Rating 180
Fits Volkswagen · 1 vehicle

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

180 amp output. Built for vehicles with higher electrical demand.

Serpentine pulley setup. Includes a 6-groove pulley with internal regulation.

Cross-references 04L-903-023-A, 04L-903-023-AX and 04L 903 023 A for the same application. See all 6.

$285.36Free shipping
In stock · usually ships same day before 1pm CST
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Order total $285.36
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Overview

This WAI alternator, part number 21600N, is a 100% new electrical charging component built for steady output in modern vehicles. It is engineered for applications that require 180 amps and uses an internal regulator, internal fan, and decoupled clutch pulley design.

Compatible with the 2015 Volkswagen Passat, this alternator is a direct-fit charging solution for Valeo 180 amp applications. The 21600N is built with a serpentine pulley setup and clockwise rotation to match the specified application.

Key Features

  • 180 amp output for higher electrical demand
  • 100% new construction, not remanufactured
  • Internal regulator and internal fan design
  • 6-groove pulley with serpentine belt type
  • Decoupled clutch pulley included
  • Valeo family application

Detailed Description

The WAI 21600N alternator is engineered to supply the amperage needed by vehicles with increased electrical loads. Its new-build construction uses proprietary components and manufacturing processes to support consistent performance and service life. For fitment-specific use, this unit matches the 2015 Volkswagen Passat with a Valeo 180 amp configuration.

As an alternator for the Volkswagen Passat, this unit is specified with clockwise rotation, an internal regulator, and a 6-groove serpentine pulley. The included decoupled clutch pulley helps the charging system operate with the belt drive configuration called for by the application. The 21600N part number is also useful when verifying the correct replacement against service information or catalog listings.

What It Is Used For

  • Charging system output that is too low for vehicle electrical demand
  • Battery warning lights related to alternator performance
  • Charging instability from a worn or failing alternator
  • Belt drive mismatch on Valeo 180 amp applications
  • Replacement of a failed alternator on the Volkswagen Passat

Installation Notes and Tips

Verify pulley type, rotation direction, amperage rating, and connector match before installation. Confirm the application is a 2015 Volkswagen Passat with the specified Valeo 180 amp setup. Use the 21600N part number to cross-check catalog data and service references before replacing the unit.

Quality Assurance

WAI states that this alternator is 100% new and manufactured with proprietary components and processes to support maximum life and performance.

Related reading

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2015VolkswagenPassat2.0LL4Valeo 180 Amp
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
04L-903-023-A04L-903-023-AX04L 903 023 A04L 903 023 AX21600FG18T143