uxcell 22060-30P00 Engine Knock Sensor UXCELL (U excel !) is the sole authorized Seller of uxcell products This engine knock sensor do not fit for the follwing models: 1999 Nissan Maxima,97 nissan altima,2000 Nissan Frontier 6cyl,2000 nissan xterra Material : Plastic, Metal Main Color : Silver Tone;Net Weight : 56g Package Content : 1 x Engine Knock Sensor (Non-OEM)