MPA Electrical 14821 Alternator

Remanufactured Alternator for Volkswagen Golf and Jetta

MPA Electrical Part Number 14821 is a remanufactured 12-volt alternator built for select Volkswagen Golf and Jetta applications with air conditioning. It is specified as a Bosch-style unit with a 90-amp output, internal regulator, external fan, clockwise rotation, and no pulley.

The MPA Electrical remanufactured line focuses on rebuilt charging components for direct replacement use. This alternator is intended for vehicles that match the listed Bosch interchange and fitment details, including 1991-1992 Volkswagen Jetta with AC and 1-post terminal and 1985-1992 Volkswagen Golf with air conditioning.

Key Features

• 90 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• External fan design
• Clockwise rotation
• Without pulley
• Bosch manufacturer specification
• MPA Electrical Part Number 14821

Detailed Description

This remanufactured alternator is built for Volkswagen Golf and Jetta charging system service where the original unit matches the Bosch configuration. The 90 amp rating supports standard electrical demand, while the internal regulator and external fan reflect the OE-style layout used on the listed applications. If you are replacing a worn charging unit on a Volkswagen Golf or Volkswagen Jetta, Part Number 14821 provides a direct-reference option for the specified AC-equipped vehicles.

This part cross-references Bosch 13181 for the same application.

What It Helps Fix

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or while driving
• Dim lights or unstable electrical performance
• Charging system failure on AC-equipped Volkswagen Golf and Jetta models
• Noise or wear related to a failing alternator assembly

Installation Notes and Tips

• Verify the vehicle uses the listed Bosch-style configuration before ordering.
• Confirm 12-volt system specification, 90 amp output, and clockwise rotation.
• Check pulley style, since this unit is supplied without a pulley.
• Match the terminal arrangement, especially on 1991-1992 Volkswagen Jetta applications with a 1-post terminal.
• Inspect the charging circuit, battery condition, and belt drive components during replacement.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for replacement use in specified charging system applications. Part Number 14821 is cataloged for direct fitment matching on the listed Volkswagen Golf and Jetta vehicles.