I found them on Amazon
TUELETFU Rear AC Block Off Kit for Chevrolet Suburban Yukon Tahoe for GMC Escalade 2000-2013 https://a.co/d/0ammBtK5
TUELETFU Rear AC Block Off Kit for Chevrolet Suburban Yukon Tahoe for GMC Escalade 2000-2013 https://a.co/d/0ammBtK5