036 129 405 A: Main jet for Volkswagen Golf 2

The main jet is a key component of the carburettor’s fuel supply system, ensuring the precise metering of the air-fuel mixture required for the engine to run properly. On a Volkswagen Golf 2, it needs to be replaced during a restoration or thorough service, particularly in the event of excessive fuel consumption, erratic idling or a loss of performance. This new part restores the vehicle’s original performance and helps maintain its mechanical condition over the long term. A careful replacement helps to maintain the reliability of this classic car.