Lexus ES300 Power Antenna Mast Power Antenna Mast Lexus ES300 1992 1993 1994 Models. Includes a power antenna replacement mast for the ES300 models listed. Lexus part number 86337-33040. Just slide out the old bent mast and in goes the new one. These are great masts with a 100% performance guarantee and a 5 year replacement warranty.