2003 Cadillac Escalade ESV without Rear A/C; P-Nut Fitting at 12 O'Clock; 1st Design;. 2004 Cadillac Escalade ESV without Rear A/C; P-Nut Fitting at 12 O'Clock; 1st Design;. 2005 Cadillac Escalade ESV without Rear A/C; P-Nut Fitting at 12 O'Clock; 1st Design;.