This is the plastic shift ball on the end of the shift lever that is attached to the side of the transmission. OE. Never available in the US.
Shift Bushing for 84-91 Vanagon center or rear
Bellows for 5-speed Shifter from 9/85-1991
Drive Shaft Flange Seal on Syncro Transmission
Vacuum Acutator for Syncro Vanagon Locking Differential
Differential and Transmission Mount for Syncro Vanagon
Shift Linkage Boot 86-91