This hose is only for the Syncro Vanagon. It goes between the top of the thermostat housing cover, and the double pipe that goes on top of the transmission bellhousing.
It is Number 7 on the coolant hose chart.
Coolant Hose 251121130B for 2.1l Vanagon from mid 87-92 Non Syncro
2.1L Metal Coolant Manifold for 86-92 Vanagon Double Cab only!
Coolant Hose between coolant tank and metal pipe 86-92 2wd Vanagon
Auxiliary Fan Switch Seal
Water Pump (Economy) for 86-92 2.1l Vanagon
Coolant Pipe on the top of the engine for all 86-92 2.1l Vanagon