New OEM genuine GM Fender to Door Insulator - goes on the back of the fender between the fender and door.
Right passenger side RH
Fits:
2015-2020 Escalade, Suburban, Tahoe, Yukon
2014-2019 Silverado or Sierra 1500 (2019 old body)
2014-2019 Silverado or Sierra 2500/3500 HD
OEM# 84342551 23168255, 84205543, 84285979, 23168253, 84205541