The DENSO OEM Engine Knock Sensor is a high-quality replacement part designed for Lexus, Scion, and Toyota vehicles, specifically the Corolla with a 1.8L engine. This sensor, with the part numbers 89615-20090 and 8961520090, is a direct fit that offers easy installation and calibrated performance. Made from a combination of aluminum and plastic, this engine knock sensor is built to last and is backed by a lifetime manufacturer warranty. It is a genuine part manufactured by DENSO in Japan, ensuring quality and compatibility with your vehicle's engine compartment.