NGK 2009-04 Toyota Prius OE Type 4-Wire A/F Sensor

This NGK 4-wire Air/Fuel Ratio (A/F) sensor is built to OE specifications for your 2004-2009 Toyota Prius. It's designed to accurately measure the amount of oxygen in your exhaust gases, which is crucial for the engine control module (ECM) to adjust the fuel injection and ignition timing. Getting this reading right helps your engine run efficiently and cleanly.

NGK is a well-known name in ignition and sensor technology, and this A/F sensor is made to replace the original part directly. It features a robust construction that can handle the harsh environment of the exhaust system. Proper functioning of the A/F sensor is key to maintaining optimal fuel economy and reducing emissions, so replacing a faulty one with a reliable part like this NGK sensor will help restore your Prius's performance.