[PREMIUM PERFORMANCE] - Bosch Knock Sensors are highly accurate and sensitive for superb engine knock detection, ensuring efficient performance and long life for your vehicle [ACTUAL OE] - Bosch Original Equipment Knock Sensors aren't just a a quality replacement component, they're the same sensor your vehicle was equipped with when manufactured - minus the expense of brand name packaging [SUPERB ENGINEERING] - Robust design features a linear signal over a large frequency range, improved efficiency and prolonged engine life, and a wide temperature range that withstands extreme hot and cold operating conditions [LONGER LIFE] - Bosch Knock Sensors deliver the precision operation and long service life your vehicle needs for maximum performance while preserving engine longevity Replaces OE number XL3Z12A699AA