Engine Knock Sensor – Direct Fit Replacement for 1.8L Scion Models Compatible Models and OE Reference Designed for 1.8L Scion vehicles that match OE part numbers 8961520090 and 8961506010 Built to meet or exceed factory specifications for fit and reliable performance Key Benefits Accurate Knock Detection: Continuously monitors for abnormal combustion patterns to identify knocking or pinging before it causes damage Engine Performance: Rapidly transmits data to the ECU, allowing precise ignition timing adjustments for smoother operation and improved fuel efficiency Prevents Engine Damage: Helps avoid costly repairs by catching detonation early and protecting internal engine components Quality Construction Made with grade ABS material for durability and resistance to extreme heat and vibration Ensures consistent signal transmission in demanding driving conditions Reliable performance backed by robust engineering standards Ease of Installation Direct plugandplay design for quick and seamless integration into your existing engine wiring harness No modifications or special tools required Fits exactly like the original sensor for fast replacement and minimum downtime Practical Applications For daily commuting: Maintains smooth engine operation, reducing fuel consumption and wear For longdistance driving: Protects against engine stress and overheating during extended trips For performance tuning: Ensures accurate timing control to maximize efficiency and engine safety under load Specifications Application: 1.8L Scion models OE Numbers: 8961520090, 8961506010 Material: grade ABS Function: Knock detection and ECU data transmission Installation: Directfit, factorycompatible This engine knock sensor offers dependable detection, protective performance, and straightforward installation, making it the right choice for maintaining your Scion's engine health and efficiency.