Genuine OEM Volkswagen / Hella warning buzzer relay, part number 3A0 951 307. Made in Germany.
This is the buzzer unit, marked Summer on the case, which is simply German for buzzer. It is what sounds the reminder chime when the key is left in the ignition or a door is left open. A dead one is why the warning chime goes silent while the warning lights still work.
Markings on the case:
– OEM VW 3A0 951 307
– Hella 3SB 004 885-04
– HLO Summer 12V
– >PP-GF20<
– Made in Germany
Condition: used, with light shelf wear to the black case and sound terminals. All markings fully legible. Sold exactly as pictured.
Fits Volkswagen Golf, GTI, Jetta, Passat, Corrado, Scirocco, Cabriolet, Vanagon and Bus.





