Vemo V10-77-0001 Voltage Regulator

Charging System Voltage Regulator for Bosch Alternators

Restore stable charging performance with the VEMO V10-77-0001 charging system voltage regulator. This 14V regulator is built for select Bosch alternator applications and is listed across a wide range of Audi, BMW, Mercedes-Benz, and Volkswagen fitments from 1990-1995.

VEMO VEMO product line parts are cataloged for precise electrical system service, and this regulator follows the dimensional and voltage specifications needed for the listed applications.

Key Features

• Charging system voltage regulator for alternator service
• 14V electrical specification
• Dimensions: 76.8 mm length, 41.6 mm width, 37.4 mm height
• Lightweight design at 0.050 kg
• Cataloged for Bosch alternator applications with 28 mm slipring notes in fitment data
• Part number: V10-77-0001

Detailed Description

The VEMO V10-77-0001 is a charging system voltage regulator used to control alternator output and maintain proper system voltage in the vehicle’s electrical network. It is listed for multiple classic European applications, including Audi 100, Audi 80, Audi S4, BMW 325i, BMW 535i, Mercedes-Benz 300SL, and Volkswagen Golf models, along with additional BMW, Mercedes-Benz, and Volkswagen fitments. This part cross-references Bosch (e.g., 15025, 17202) for the same application.

With a 14V rating and compact housing dimensions, this regulator is specified for alternator repair work where stable charging voltage is required. The part number V10-77-0001 is also referenced in interchange data for service matching.

What It Helps Address

• Battery warning light caused by unstable alternator output
• Overcharging or undercharging conditions in the charging system
• Dim lights or fluctuating electrical performance
• Charging faults on Bosch alternator-equipped Audi, BMW, Mercedes-Benz, and Volkswagen vehicles
• Voltage regulation issues in older European electrical systems

Installation Notes and Tips

Verify alternator type, slipring size, and engine/application details before installation. Fitment notes in the catalog reference 28 mm slipring applications and, on some vehicles, Bosch alternator usage or engine-specific limits. Confirm the original regulator dimensions and voltage rating match the replacement before service. Professional installation and charging-system testing after replacement are recommended.

Quality Assurance

VEMO cataloging supports OE-style electrical service selection for the listed applications. Confirm fitment by year, make, model, and alternator notes before ordering. Part number V10-77-0001 is provided for direct catalog matching.

Compatible Vehicles

• Fits 1994-1995 BMW 850CSi, N/A
• Fits 1994-1995 Mercedes-Benz S350, N/A
• Fits 1994 Audi 100 Quattro, N/A
• Fits 1990-1991 Audi 100 Quattro, N/A
• Fits 1994 Audi S4, N/A
• Fits 1990-1994 Audi V8 Quattro, N/A
• Fits 1990-1994 BMW 750iL, N/A
• Fits 1993-1994 BMW 850Ci, N/A
• Fits 1992-1993 Audi 100 Quattro, N/A
• Fits 1992-1993 Audi S4, N/A
• Fits 1990-1993 BMW 325i, N/A
• Fits 1990-1993 BMW 535i, N/A
• Fits 1991-1993 BMW M5, N/A
• Fits 1992-1993 Mercedes-Benz 300SD, N/A
• Fits 1990-1993 Mercedes-Benz 300SL, N/A
• Fits 1990-1993 Volkswagen Cabriolet, N/A
• Fits 1990-1993 Volkswagen Fox, N/A
• Fits 1990-1993 Volkswagen Passat, N/A
• Fits 1990-1992 Audi 80, N/A
• Fits 1990-1992 Audi 80 Quattro, N/A
• Fits 1991-1992 BMW 318i, N/A
• Fits 1990-1992 BMW 735i, N/A
• Fits 1990-1992 BMW 735iL, N/A
• Fits 1991-1992 BMW 850i, N/A
• Fits 1990-1992 Mercedes-Benz 500SL, N/A
• Fits 1990-1992 Volkswagen Corrado, N/A
• Fits 1990-1992 Volkswagen Golf, N/A
• Fits 1990-1992 Volkswagen Jetta, N/A
• Fits 1990-1991 Audi 100, N/A
• Fits 1990-1991 Audi 200, N/A
• Fits 1990-1991 Audi 200 Quattro, N/A
• Fits 1990-1991 Audi 90, N/A
• Fits 1990-1991 Audi 90 Quattro, N/A
• Fits 1990-1991 Audi Coupe Quattro, N/A
• Fits 1991 BMW 318is, N/A
• Fits 1990-1991 BMW 325is, N/A
• Fits 1990-1991 BMW 325iX, N/A
• Fits 1991 BMW 525i, N/A
• Fits 1990-1991 BMW M3, N/A
• Fits 1990-1991 Volkswagen Vanagon, N/A
• Fits 1990 BMW 525i, N/A