This is the number 1157 bulb with a large globe and dual filaments and the alignment tabs offset in 12 Volt. This bulb fits our reproduction Naco tail lights, Hall tail lights, 1957 up parking lights, Station Wagon tail lights 1953 and up. Basically this bulb fits 1957 and is used up into the late 80s on Jeep models.

The bulb might also fit other applications but you will have to check per application.