Part #: 12743

Remy 12743 Alternator

Premium Remanufactured
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Premium Remanufactured
Fitment: Audi, A4 and A4 Quattro
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Remy 12743 Alternator for Audi A4

Remy Premium Remanufactured alternator Part Number 12743 is built for 12-volt charging systems that need a 150-amp output and internal voltage regulation. It is a direct-fit replacement for select Audi A4 and Audi A4 Quattro applications with a Valeo OE design.

Key Features

  • 150-amp amperage rating for charging-system output
  • 12-volt alternator with internal voltage regulator
  • Internal fan design
  • Clockwise rotation
  • Pulley included
  • Premium remanufactured unit
  • OE manufacturer reference: Valeo

Product Details

Remy Premium Remanufactured line focuses on OE-style electrical replacement parts rebuilt to match the original application. This Remy 12743 alternator follows the Valeo unit configuration used on select Audi A4 and Audi A4 Quattro models, making it a practical choice for restoring charging performance without changing the vehicle’s original electrical setup. This part cross-references OE-style numbers 06E-903-016E and TG16C011 for the same application.

Vehicle Fitment

  • Fits 2005-2009 Audi A4 Quattro, N/A. Valeo unit; 150 amps; premium remanufactured.
  • Fits 2006-2008 Audi A4, N/A. Valeo unit; 150 amps; premium remanufactured.

Common Issues This Part May Solve

  • Battery warning light caused by low alternator output
  • Dim headlights or unstable electrical performance
  • Battery not maintaining charge during normal driving
  • Charging-system faults related to worn internal components
  • Voltage irregularities from a failing OE-style alternator

Installation Notes and Tips

Verify the OE manufacturer match, pulley style, rotation direction, amperage rating, and internal regulator configuration before installation. Confirm the vehicle’s charging-system connectors and mounting points match the original Valeo-style unit on your Audi A4 or Audi A4 Quattro. After installation, check battery condition and charging voltage to confirm proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are rebuilt for application-specific fitment and electrical performance consistency. This alternator is remanufactured to support the original charging-system design used in the listed Audi applications.

BrandRemy
Part Number12743
PositionPremium Remanufactured
Amperage Rating150
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerValeo
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2009AudiA4 QuattroCabriolet3.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured
2008AudiA43.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured
2008AudiA4 Quattro3.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured
2007AudiA43.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured
2007AudiA4 Quattro3.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured
2006AudiA43.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured
2006AudiA4 Quattro3.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured
2005AudiA4 Quattro3.2LV6N/AValeo Unit; 150 Amps; Premium Remanufactured

* 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:

06E-903-016ETG16C011

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