http://www.drivewire.com/vehicle/1998-gmc-jimmy/fuel-tank/
FUEL TANK, GALVANIZED STEEL, SILVER, 19 GALLONS/72 LITERS -- 33 in. L x 22 in. W x 10.5 in. H; With lock ring and O-ring; Without strap set and pan in tank; A high quality, direct fit OE replacement fuel tank; Features all-zinc external...