FEULING PARTS O2 Sensor - 12 mm - 4-Wire - 29" Length - Black 9906

O2 Sensor - 12 mm - 4-Wire - 29" Length - Black Precision manufactured with a ceramic body of stabilized zirconium dioxide, surface coated with gas-permeable platinum electrodes and a porous ceramic to help prevent erosion due to contamination and particulates in the exhaust gases, Slow reading oxygen sensors can cause a drop in fuel economy of 10-15%, excessive exhaust emissions and poor drivability, All sensors meet or exceed OE specifications, Made in the USA, Life expectancy of an average oxygen sensor in a properly tuned engine is typically 30,000 - 50,000 miles.