Used item : Chevrolet Chevy ESC ECM Control Module Knock Sensor GM 16188309 

PREOWNED /USED OEM PART - good working condition, minor visible physical wear - does not impede on function (see images) 

Interchange: *Match P/Ns (pictured) or will not Fit/work*

***WILL ONLY REPLACE SAME PART ONLY, THIS IS NOT AN UPGRADE OR A RETROFIT PART, PLEASE MATCH YOUR PART NUMBERS TO ENSURE FIT ***

We ship the next business day (excluding holidays). All electronic items are marked with UV ink and or engraved