This Is Original Equipment Merchandise. Don't Be Fooled By Knock-offs or "OEM FIT PARTS" ORIGINAL FACTORY PARTS ---------------------------------------------------------------------------------------------------- NOTE: This part requires dealer programming to ensure proper functionality ---------------------------------------------------------------------------------------------------- These are Original Equipment GM Parts 24274898 2015 SILVERADO 1500 AUTO TRANSMISSION CONTROL MODULE T8 24272004 24276411 THESE ARE A+ EXCELLENT CONDITION!!! Check the compatibility chart above for correct fitment