Remy 12089 Alternator

Remanufactured 120-Amp Alternator

This Remy Premium Remanufactured alternator is built for 12-volt charging systems and delivers a 120-amp amperage rating with an internal voltage regulator. It includes the pulley and uses a clockwise rotation, making it a direct-fit electrical replacement for select Audi and Volkswagen applications.

Remy Premium Remanufactured parts focus on OE-style fit and function for charging system service. Part number 12089 is a remanufactured Valeo alternator unit for drivers replacing a worn or failing alternator in Audi A4, A6, S4, Allroad Quattro, and Volkswagen Passat models.

Key Features

• 120-amp output for 12-volt charging systems
• Internal fan design
• Internal voltage regulator
• Pulley included
• Clockwise rotation
• Remanufactured to OE manufacturer specifications from Valeo
• Part number 12089

Detailed Description

Remy 12089 is a premium remanufactured alternator engineered for select 2000-2004 Volkswagen Passat and 2000-2002 Audi and Volkswagen charging system applications. It is a Valeo-based unit with a 120-amp rating, internal regulation, and a clockwise rotation profile, making it a practical replacement when the original alternator can no longer maintain proper system voltage. This part number 12089 is also cross-referenced to 078-903-016H and SG12B011 for the same application.

Compatible With 2000-2004 Volkswagen Passat, N/A; 2001-2003 Audi A6 Quattro, N/A; 2001-2002 Audi Allroad Quattro, N/A; 2002 Audi S4, N/A; 2000-2001 Audi A4, N/A; 2000-2001 Audi A4 Quattro, N/A; 2000-2001 Audi A6, N/A; 2000-2001 Audi A6 Quattro, N/A; and 2000-2001 Audi S4, N/A.

What It Helps Fix

• Battery warning light caused by low alternator output
• Dim headlights or unstable electrical performance
• Battery drain from insufficient charging
• Charging system faults tied to a failing internal regulator
• Noisy or worn alternator operation in the engine bay

Installation Notes and Tips

Verify pulley style, rotation direction, voltage, and amperage rating before installation. Confirm the vehicle’s OE alternator application matches a Valeo-style 120-amp unit and compare connector and mounting points to the original part. After installation, check charging voltage at the battery and inspect belt condition and tension to help confirm proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to support OE-style replacement needs for charging and starting systems. Part number 12089 is built around the original Valeo application requirements for the listed Audi and Volkswagen vehicles.