These boots are for some later model Vanagons with a specific shifter bushing. 251711207E. You need two of these boots for each bushing. The bushing is located in the middle and rear of some Vanagons. Check to be sure what bushing you have.
Viscous Coupling Syncro
Differential and Transmission Mount for Syncro Vanagon
Shift Bushing for 84-91 Vanagon center or rear
Vacuum Acutator for Syncro Vanagon Locking Differential
Syncro Transmission Output Shaft Bearing
Bellows for 5-speed Shifter from 9/85-1991