Ignition Knock (Detonation) Sensor for 2021-2023 Hyundai Elantra & More - Standard KS490

Knock Sensor

• As a global manufacturer, we maintain complete quality control throughout the manufacturing process
• Automated data acquisition system continuously monitors sensor output to ensure response with appropriate voltage at specified frequency range
• Designed to respond to knock frequencies of up to 1000 Hz, which allows sensor to correct engine knock across an array of vehicle conditions
• Undergoes 100% accelerometer vibration testing to ensure durability and performance under harsh conditions

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