I GOT THE WALBRO F20000169 (DONT USE GSS342) IN TANK PUMP, AND BRAND NEW GRAND NATIONAL TANK(SPECTRA GM307C) AND SENDING UNIT(SPECTRA FG156A). I ORDERED THE GSS342 ON A SWAPOUT, DOESNT LINE UP IN SENDING UNIT. GSS342 CAN BE USED WITH A S-TYPE HOSE AND YOU WILL HAVE TO CUT/TRIM SENDING UNIT FOR IT SIT FLUSH....