The proportion of electronics in vehicles has increased continuously in recent years. A development in which HELLA has long played a special role as an innovation leader in the field of automotive original equipment. The independent aftermarket also benefits in particular from this long-standing original equipment expertise - because HELLA successfully transfers its comprehensive OE know-how to this area and makes optimum use of the existing expert knowledge in this way. The high-quality HELLA knock Sensors cover a wide Range of vehicles and are designed to meet the special requirements of the respective engine. Due to the high quality level, the knock sensor ensures high measurement accuracy even under extreme conditions and thus contributes to improved engine efficiency.