when you find out what it's number is
find some one that junks old cars and have them save you
a couple used ones from a car made in the 60's or 70's.....
They were better made and if they lasted this long they may
last for many more years
big and little singles are hard on tail lamps
and i have had good luck recycleing the old bulbs
if it says china on it its not an old bulb