This is not a replacement cap, you must have existing gas door to install this piece; This QAA part is designed to fit Lexus RX330 2004-2009, Lexus RX350 2004-2009, Lexus RX400h 2004-2009; 3M Automotive-Grade Acrylic Foam tape will hold for a lifetime; Installs directly over your vehicles existing surface; Cut to perfection and polished to a mirror shine; No drilling, cutting or alterations are required