Peterbilt Chrome A/C Vents (4 Pack) 379, 384, 386, 387, 388, 389 (2006+) peterbilt A/C Vents - New set of 4 Fits: Peterbilt 379, 384, 386, 387, 388, 389 Model Year 2006 or Newer Dress up your truck! PURCHASE IS FOR FOUR VENTS! Professional Installation Recommended!