Package Include: 1 x vent valve
Vent hole for vent valve on tank diameter: 30.5mm/1.2inch
For Generac Models 0059870 & 0059890
For Generator GP5500 GP6500 GP7500E GP8000E GP17500 RS8000E XT8000E XP6500E XP10000E
For Sportsman 3500 4000
Replacement part: 0J7921