Remy 12048 Alternator

Remy 12048 Premium Remanufactured Alternator

The Remy 12048 is a premium remanufactured 12-volt alternator built for Bosch applications that require 120 amps of charging output. It includes an internal voltage regulator, internal fan, and pulley, making it a direct replacement option for select Volkswagen and Audi charging systems.

Use this alternator when you need stable electrical output for daily driving, accessory loads, and consistent battery charging in compatible Audi TT, Audi TT Quattro, Volkswagen Golf, Volkswagen Jetta, Volkswagen Beetle, Volkswagen R32, and Volkswagen Golf City applications.

Key Features

• 120 amp amperage rating for OE-style charging performance
• 12-volt alternator with internal voltage regulator
• Internal fan design for integrated cooling
• Pulley included for installation convenience
• Clockwise rotation
• Remanufactured to premium standards
• OE manufacturer reference: Bosch
• Part number: 12048

Product Details

Remy Premium Remanufactured line focuses on OE-based replacement components rebuilt for applications that originally used Bosch charging hardware. The 12048 alternator is cross-referenced to Bosch-style part numbers and is listed for a wide range of Volkswagen and Audi vehicles from 1999 through 2010. If you are searching for a 120 amp alternator for a 2000-2006 Audi TT, a 2002-2005 Volkswagen Jetta, or a 2007-2010 Volkswagen Golf City, this unit matches those confirmed applications.

This part cross-references Bosch 0-124-515-010 and 0-124-515-117 for the same application. Part number 12048 is also referenced across multiple OE-style interchange numbers for select Volkswagen and Audi charging systems.

Common Problems This Part Can Address

• Battery warning light or charging system fault codes
• Low charging voltage at idle or under electrical load
• Dim lights, weak accessories, or intermittent electrical performance
• Battery not maintaining charge during normal driving
• Alternator noise or charging output loss from a worn unit

Installation Notes and Tips

Confirm the vehicle’s original alternator specifications before installation, including amperage, rotation direction, pulley configuration, and regulator type. This unit is listed with a clockwise rotation, internal regulator, internal fan, and included pulley, so matching those details is important for proper fitment. Verify the application against the vehicle’s charging system before replacing the original part.

Compatible With: Fits 2007-2010 Volkswagen Golf City, N/A; Fits 2000-2006 Audi TT, N/A; Fits 2000-2006 Audi TT Quattro, N/A; Fits 2005-2006 Volkswagen Beetle, N/A; Fits 1999-2001 Volkswagen Beetle, N/A; Fits 2002-2006 Volkswagen Golf, N/A; Fits 1999-2005 Volkswagen Beetle, N/A; Fits 2002-2005 Volkswagen Jetta, N/A; Fits 2004 Volkswagen R32, N/A; Fits 1999-2001 Volkswagen Golf, N/A; Fits 1999-2001 Volkswagen Jetta, N/A.

Quality Assurance

Remy Premium Remanufactured parts are built as OE-style replacement components for confirmed vehicle applications. This alternator is remanufactured and specified for Bosch-based systems, with fitment listed across 46 vehicle applications from 1999 to 2010.