Bosch AL0189N Alternator
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Bosch
 Alternator (New)

Bosch AL0189N Alternator

Brand Bosch AL0189N
Voltage 14
Plug Clock Rear View Main Mounting Ear at 6 O Clock 2
Fan Type Internal
Ground Type Negative
Mounting Configuration Code Short
Rotation Direction Clockwise (right)
One Wire Capable No
Pulley Included Yes
External Regulator Included Yes
Pulley Groove Quantity 6
Case Color Silver
Outside Pulley Diameter 56
Regulator Type Internal
Decoupled Or Clutch Pulley Yes
AC Service Tap No
Case Material Aluminum
Amperage Rating 120
Mounting Type Single pivoted lever
Brushless No
Automotive Item Weight (lbs) 15.01348 lb
New Or Remanufactured New
Product Length 7.755906 in
Pulley Type / Belt Type (Alternator) 6s
Product line Alternator (New)
Fits Audi and Volkswagen · 41 vehicles

New alternator. Built and tested for dependable charging performance.

Internal regulation. Includes an internal regulator for simpler electrical control.

Aluminum case. Lightweight construction helps support reliable operation.

Cross-references 028903029G, 038903018Q and 038903023S for the same application. See all 5.

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Bosch AL0189N Alternator Overview

The Bosch AL0189N is a new 14-volt alternator built for dependable charging performance in select Volkswagen and Audi applications. It features a 120-amp rating, internal regulation, and a clockwise rotation design for direct replacement service.

Bosch Premium Alternators are part of the Bosch Alternator (New) line, engineered and tested for consistent output and reliable operation in demanding electrical systems.

Key Features

  • 14-volt alternator with 120-amp amperage rating
  • Internal regulator with negative ground configuration
  • Clockwise (right) rotation
  • Internal fan design
  • Includes pulley with 6-groove belt profile
  • Decoupled or clutch pulley included
  • Single pivoted lever mounting type with short mounting configuration
  • Silver aluminum case construction
  • New unit, not remanufactured

Detailed Description

The Bosch AL0189N alternator is built for vehicles that require stable charging output and OE-style electrical performance. With a 120-amp rating, internal voltage regulation, and a 6-groove pulley, this alternator is suited for Volkswagen Beetle, Golf, Jetta, R32, and Audi TT / TT Quattro applications listed in the fitment data. The Bosch AL0189N also cross-references Bosch-style OE applications for direct replacement service.

This part cross-references 028903029G and 038903018Q for the same application.

Vehicle Fitment

  • Fits 2010 Volkswagen Beetle, N/A
  • Fits 1998-2007 Volkswagen Beetle, N/A
  • Fits 2000-2006 Audi TT, N/A
  • Fits 2000-2006 Audi TT Quattro, N/A
  • Fits 1999-2006 Volkswagen Golf, N/A
  • Fits 1999-2005 Volkswagen Jetta, N/A
  • Fits 2004 Volkswagen R32, N/A

Common Charging System Issues It Can Address

  • Low battery charging output
  • Battery warning light caused by alternator failure
  • Dim lights or unstable electrical performance
  • Charging system noise related to worn alternator components
  • Voltage irregularities in the vehicle electrical system

Installation Notes and Tips

Verify pulley style, connector orientation, mounting configuration, and rotation direction before installation. Confirm the vehicle uses a 14-volt charging system and match the alternator to the listed Volkswagen Beetle, Golf, Jetta, R32, Audi TT, or Audi TT Quattro application. Inspect the belt, tensioner, and charging cables during replacement to help ensure proper system operation.

Quality Assurance

Bosch Premium Alternators are designed, built, and tested to deliver consistent performance and reliability. The AL0189N is a new alternator assembled with an aluminum case and internal regulation for dependable charging-system service.

Related reading

This part fits 41 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersNotes
2010VolkswagenBeetle—2.5LL5Alternator (New)
2007VolkswagenBeetle—2.5LL5Alternator (New)
2006AudiTT—1.8LL4Alternator (New)
2006AudiTT Quattro—3.2LV6Alternator (New)
2006VolkswagenBeetle—2.5LL5Alternator (New)
2006VolkswagenGolf—2.0LL4Alternator (New)
2005AudiTT—1.8LL4Alternator (New)
2005AudiTT Quattro—3.2LV6Alternator (New)
2005VolkswagenBeetleHatchback1.8LL4Alternator (New)
2005VolkswagenGolf—2.8LV6Alternator (New)
2005VolkswagenJettaWagon1.9LL4Alternator (New)
2004AudiTT—1.8LL4Alternator (New)
2004AudiTT Quattro—3.2LV6Alternator (New)
2004VolkswagenBeetleHatchback1.9LL4Alternator (New)
2004VolkswagenGolf—2.8LV6Alternator (New)
2004VolkswagenJetta—2.8LV6Alternator (New)
2004VolkswagenR32—3.2LV6Alternator (New)
2003AudiTT—1.8LL4Alternator (New)
2003AudiTT Quattro—1.8LL4Alternator (New)
2003VolkswagenBeetleHatchback1.9LL4Alternator (New)
2003VolkswagenGolf—2.8LV6Alternator (New)
2003VolkswagenJettaSedan2.0LL4Alternator (New)
2002AudiTT—1.8LL4Alternator (New)
2002AudiTT Quattro—1.8LL4Alternator (New)
2002VolkswagenBeetle—2.0LL4Alternator (New)
2002VolkswagenGolf—2.8LV6Alternator (New)
2002VolkswagenJetta—2.0LL4Alternator (New)
2001AudiTT—1.8LL4Alternator (New)
2001AudiTT Quattro—1.8LL4Alternator (New)
2001VolkswagenBeetle—2.0LL4Alternator (New)
2001VolkswagenGolf—2.0LL4Alternator (New)
2001VolkswagenJetta—2.0LL4Alternator (New)
2000AudiTT—1.8LL4Alternator (New)
2000AudiTT Quattro—1.8LL4Alternator (New)
2000VolkswagenBeetle—2.0LL4Alternator (New)
2000VolkswagenGolf—1.9LL4Alternator (New)
2000VolkswagenJetta—1.9LL4Alternator (New)
1999VolkswagenBeetle—2.0LL4Alternator (New)
1999VolkswagenGolf—1.9LL4Alternator (New)
1999VolkswagenJetta—1.9LL4Alternator (New)
1998VolkswagenBeetle—2.0LL4Alternator (New)
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
028903029G038903018Q038903023S038903024F038903024G