I have a 85 22re 4runner with the automatic transmission. The filler tube has been rubbing against the exhaust and sprung a leak. I have found the filler tube for the auto tranny but wasn't sure if there was a gasket or o-ring where it inserts into the transmission. My local dealership has the tube in stock. Does the tube come with something to seal it or is it separate? Anybody know a part number if it is separate? Does the tube just slide into the tranny or how is it attached? Thanks so much!!