Calorstat BS4750 Brake Light Switch

Brake Light Switch for Volkswagen and Audi

Calorstat BS4750 is a brake light switch for select Volkswagen and Audi applications. It is a direct-fit electrical switch used to signal brake pedal movement and support proper brake lamp operation. This part number BS4750 also cross-references 1J0927189B and 1J0927189C for the same application.

Key Features

• Brake light switch for electrical and body system repair
• Fits 1990-2002 Volkswagen Jetta, N/A
• Fits 1998-2002 Volkswagen Beetle, N/A
• Fits 1999-2002 Volkswagen Golf, N/A
• Fits 2000-2002 Audi TT, N/A
• Fits 2000-2002 Audi TT Quattro, N/A
• Fits 2007-2010 Volkswagen Beetle, N/A
• OE supplier note for Volkswagen and Audi applications

Detailed Description

Calorstat BS4750 is built for vehicles that rely on a brake pedal switch to activate the rear brake lamps and communicate pedal input to the vehicle electrical system. It is a practical replacement for Volkswagen Beetle, Volkswagen Golf, Volkswagen Jetta, Audi TT, and Audi TT Quattro models across the listed years. The BS4750 part number is a useful reference when matching the correct brake light switch for these applications.

Common Issues It Can Address

• Brake lamps staying on or failing to illuminate
• Intermittent brake light operation
• Brake pedal signal faults related to the switch circuit
• Incorrect brake lamp response after switch wear
• Replacement needs for Volkswagen and Audi brake light switch service

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. Confirm the connector style and switch location on the brake pedal assembly during diagnosis, and compare the original part number to BS4750 when replacing the switch. After installation, test brake lamp operation and pedal signal response before returning the vehicle to service.

Quality Assurance

Calorstat notes Vernet as an OE supplier to Volkswagen and Audi for this application, supporting OE-style fitment expectations for the listed vehicles.