Carrep Detonation Knock Sensor KS Sensor for 90-02 Altima Frontier Maxima NX Pathfinder Pickup Quest Sentra Xterra Mercury Villager Infiniti This is an Exact replacement to the original sensor # 22060-30P00, thus it is plug and play This Sensor is also the UPDATED Version, thus exceeds in durability of the original units that commonly fail in these vehicles Built to strict quality control standards,100% Factory tested You get our 1-Year Warranty guarantee.