Performance Tool W83108 Heater Hose Disconnect Tool Disconnects 5/8 and 3/4" heater hose quick connect fittings from heater core without damaging coupling retainer or hose. Applications: 1986 to current Aerostar vans, 1991 to current full size (E-series) vans, 1987 to current Dodge Caravan & Plymouth Voyager vans. Extended handle for easier access.