【Knock Sensor】:Excellent quality can keep protecting your vehicle motor.Providing critical information to the vehicle's ECU.Adjust the accurately determine so it can avoid engine knock
【Widely Vehicle Fitment】: Compatible with 1985-2002 for Chevy C1500 C2500 C3500,1985-2000 for GMC,1990-2000 for Cadillac,1992-2000 for Buick.Please carefully check your vehicle year/make/model by using the part finder/compatibility
【OE number】:10456018 10456288 1997699,pls check the part components number whether match.
【EASY INSTALLATION】: The knock sensor is easy to install, if you don't have a similar experience, we highly recommended professional installation!