Part #: 12351

Remy 12351 Alternator

Premium Remanufactured
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$378.63Free 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
Premium Remanufactured
Fitment: Audi, A8 Quattro and S8
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Audi A8 Quattro and S8

The Remy Premium Remanufactured Alternator 12351 is designed specifically for Audi A8 Quattro and S8 models. This 12-volt alternator delivers a 150-amp output with an internal fan and voltage regulator, ensuring consistent electrical performance for your vehicle.

Key Features of Remy Alternator 12351

  • Amperage Rating: 150 amps for stable power supply
  • Internal fan type for efficient cooling
  • Remanufactured to meet OEM standards
  • OE Manufacturer: Bosch, ensuring quality and compatibility
  • Includes pulley for straightforward installation
  • Clockwise rotation direction
  • Internal voltage regulator for reliable voltage control

About the Premium Remanufactured Product Line

The Premium Remanufactured line from Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment specifications. This ensures that the alternator 12351 provides dependable performance and durability for Audi A8 Quattro and S8 vehicles, combining quality Bosch components with Remy's remanufacturing expertise.

Detailed Description of Alternator 12351

This remanufactured alternator operates at 12 volts with a 150-amp rating, suitable for the electrical demands of Audi A8 Quattro and S8 models. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent voltage output. The included pulley and clockwise rotation direction match the original equipment setup, facilitating a direct replacement without modification.

Common Issues Addressed by This Alternator

  • Battery not charging properly or draining quickly
  • Dim or flickering headlights and dashboard lights
  • Electrical system warning lights illuminated on the dashboard
  • Unusual noises from the engine bay related to the charging system
  • Vehicle stalling or difficulty starting due to insufficient electrical power

Installation Notes and Tips

  • Ensure compatibility with Audi A8 Quattro and S8 models before installation
  • Disconnect the battery prior to removal and installation to prevent electrical shorts
  • Verify the clockwise rotation direction and pulley alignment during installation
  • Inspect wiring and connectors for wear or damage before reconnecting
  • Test the charging system after installation to confirm proper operation

Quality Assurance and Warranty

The Remy Premium Remanufactured Alternator 12351 is rebuilt using Bosch original equipment components and undergoes rigorous testing to meet quality standards. This alternator is backed by Remy's warranty coverage, providing assurance of its reliability and performance for Audi A8 Quattro and S8 vehicles.

BrandRemy
Part Number12351
PositionPremium Remanufactured
Amperage Rating150
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerBosch
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003AudiA8 Quattro4.2LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2003AudiS84.2LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2002AudiA8 Quattro4.2LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2002AudiS84.2LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2001AudiA8 Quattro4.2LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2001AudiS84.2LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2000AudiA8 Quattro4.2LV8N/ACompatible with multiple 150 Amp alternator variants.; 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:

0-123-520-0190-123-520-027038-903-018G077-903-015K

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