Want to use our stash knob or gear shifter extension on your Bus or early-model Vanagon? Or maybe you've got your eye on a Bus shifter accessory you want for your late-model Vanagon?

12mm-to-14mm adapter: Choose this if your shift lever is 12mm in diameter and you want to use a 14mm accessory, like our shift lever extension or stash knob.

14mm-to-12mm adapter: Choose this if your shift lever is 14mm in diameter and you want to use an accessory designed for a 12mm lever.