Bosch AL0931N Alternator
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Bosch
 Alternator (New)

Bosch AL0931N Alternator

Brand Bosch AL0931N
Voltage 14
Plug Clock Rear View Main Mounting Ear at 6 O Clock 1
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 150
Mounting Type Foot-mounted
Brushless No
Automotive Item Weight (lbs) 15.255989 lb
New Or Remanufactured New
Product Length 7.401575 in
Pulley Type / Belt Type (Alternator) 6s
Product line Alternator (New)
Fits Audi · 21 vehicles

New alternator. Built for dependable charging performance and reliability.

Aluminum case. Helps keep weight down while supporting durable construction.

Internal regulator. Integrated control for a cleaner, simpler setup.

Cross-references 06H903017J, 06H903017T and 06H903018H for the same application. See all 5.

$405.70Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $405.70
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Alternator options

Bosch AL0931N Alternator for Audi Charging Systems

The Bosch AL0931N is a new 14-volt alternator built for Audi charging system service where stable output and OE-style fitment matter. It is engineered for select Audi A4, A4 allroad, A4 Quattro, A5, A5 Quattro, and Q5 applications, including 2012-2017 Audi A5 Quattro and 2012-2016 Audi A4 Quattro coverage.

Key Features

  • Bosch Premium Alternator line for performance and reliability-focused replacement service
  • 14-volt, 150-amp output for modern vehicle electrical demand
  • Internal fan and internal regulator design
  • Negative ground configuration
  • Foot-mounted, short mounting configuration
  • Clockwise rotation
  • 6-groove pulley included with decoupled clutch pulley
  • Aluminum case with silver finish
  • New unit, not remanufactured
  • Part number AL0931N

Product Details

Bosch Alternator (New) AL0931N is part of Bosch’s Premium Alternators line, which focuses on consistent electrical performance and tested reliability for replacement charging-system service. This unit uses an internal regulator, internal fan, and a 6-groove belt drive setup with a 56 mm outside pulley diameter. The aluminum housing and foot-mounted short configuration support direct replacement on the listed Audi platforms. If you are searching for an Audi A4 alternator, Audi A5 alternator, or Audi Q5 alternator replacement, AL0931N is built for those exact applications. This part cross-references 06H903017J and 06H903018P for the same application.

Vehicle Fitment

  • Fits 2012-2017 Audi A5 Quattro, N/A
  • Fits 2012-2016 Audi A4, N/A
  • Fits 2012-2016 Audi A4 Quattro, N/A
  • Fits 2015 Audi Q5, N/A
  • Fits 2012-2014 Audi A5, N/A
  • Fits 2013 Audi A4 allroad, N/A

Common Issues This Alternator Can Address

  • Low charging voltage or battery warning lights
  • Dim headlights or unstable electrical output
  • Battery drain caused by a failing alternator
  • Charging-system noise from worn internal components
  • Intermittent accessory operation tied to weak alternator output

Installation Notes and Tips

Confirm pulley style, mounting configuration, connector orientation, and belt routing before installation. This AL0931N alternator uses a clockwise rotation, internal regulator, and included pulley, so matching the existing Audi charging-system layout is important for proper fitment. Verify the vehicle’s charging system condition, battery health, and belt condition during replacement to avoid repeat failures.

Quality Assurance

Bosch Premium Alternators are built and tested for dependable replacement performance. The AL0931N is a new alternator designed to meet the electrical and fitment requirements of the listed Audi applications.

Related reading

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersFuel TypeNotes
2017AudiA5 Quattro—2.0LL4GASAlternator (New)
2016AudiA4—2.0LL4—Alternator (New)
2016AudiA4 Quattro—2.0LL4GASAlternator (New)
2016AudiA5 Quattro—2.0LL4GASAlternator (New)
2015AudiA4—2.0LL4—Alternator (New)
2015AudiA4 Quattro—2.0LL4GASAlternator (New)
2015AudiA5 Quattro—2.0LL4GASAlternator (New)
2015AudiQ5—2.0LL4—Alternator (New)
2014AudiA4—2.0LL4—Alternator (New)
2014AudiA4 Quattro—2.0LL4—Alternator (New)
2014AudiA5—2.0LL4—Alternator (New)
2014AudiA5 Quattro—2.0LL4GASAlternator (New)
2013AudiA4—2.0LL4—Alternator (New)
2013AudiA4 allroad—2.0LL4GASAlternator (New)
2013AudiA4 Quattro—2.0LL4GASAlternator (New)
2013AudiA5—2.0LL4—Alternator (New)
2013AudiA5 Quattro—2.0LL4GASAlternator (New)
2012AudiA4—2.0LL4—Alternator (New)
2012AudiA4 QuattroSedan2.0LL4—Alternator (New)
2012AudiA5—2.0LL4—Alternator (New)
2012AudiA5 Quattro—2.0LL4—Alternator (New)
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
06H903017J06H903017T06H903018H06H903018J06H903018P