Volkswagen Polo Mk4 Passat B7 Additional Brake Light Relay 4 Pin Black 6Q0951253

Volkswagen Polo Mk4 Passat B7 Additional Brake Light Relay 4 Pin Black is an electrical component from the Relays category, designed to control the brake light circuit in Volkswagen vehicles. It enables stable operation of the brake lighting system, which translates into clear signaling of maneuvers and safer vehicle use. This is a practical solution for users looking for a proven component with a design matched to factory installations.

Specifications and technical data

• SKU: 6Q0951253
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 6Q0951253
• Substitutable numbers: 6Q0951253, 6Q0 951 253
• Part type: Relay
• Category: Relays

Application and relay function

The described relay is responsible for controlling the power supply to the brake lights, working with the vehicle's electrical system in accordance with the manufacturer's factory specifications. Thanks to its four-pin configuration, it ensures precise circuit switching, which is essential for the proper operation of the rear lamps during braking. The black housing facilitates identification of the component in the relay box and allows for aesthetic integration into the existing system.

Construction and performance parameters

The relay has been designed as a component matched to the electrical installation of Volkswagen models, such as the Polo Mk4 or Passat B7, while maintaining the appropriate pin geometry and connector standard. Four working contacts ensure a secure connection with the socket, which reduces the risk of contact looseness and associated interruptions in brake light operation. The compact, black housing protects the interior of the relay from typical operational loads in the engine compartment or fuse box.

Benefits of using an original Volkswagen relay

Using a relay dedicated to specific Volkswagen models allows for consistency with the factory electrical installation, without the need for modifications to harnesses or sockets. This is a solution that:

• ensures compatibility with the brake light system in Volkswagen vehicles,
• reduces the risk of installation errors thanks to its matched design,
• facilitates diagnostics in the event of potential lighting malfunctions.

An element from the Relays category of this type is particularly useful when replacing a worn or unstable relay, when problems with brake light operation occur, such as sporadic failures or lack of response to pressing the brake pedal.

Condition, selection, and installation

The offered relay is a used component, which allows for an economical repair of the lighting system while maintaining compliance with the original manufacturer's specification. Before installation, it is recommended to perform a standard verification of the vehicle's electrical system to rule out other potential sources of problems, such as damaged bulbs, lamp sockets, or wiring. Installation itself usually comes down to removing the old relay from the socket and seating the new component in the same place, while maintaining the correct pin orientation.

Volkswagen Relays – expansion and system modernization

If you are planning a comprehensive repair or modernization of the electrical system area responsible for lighting control in your Volkswagen and need other elements from the same group, such as low beam relays, turn signal relays, or fan relays, check the available parts in the Volkswagen Relays category.

More about choosing used parts

When selecting components for an electrical system, it is worth consciously deciding whether to choose a used or refurbished element. If you want to better understand the differences between these solutions and learn about practical examples from the automotive market, check out the article Refurbished or used original – which part to choose for repairs?, which will help you choose a service strategy tailored to your car and budget.