Before ordering,PLEASE TAEK A LOOK AT THE 2ND PICTURE to check the dimensions carefully. Full length: 24.5", Full width: 17.7", height :6.5, Mounting dimensions (hole to hole): Length :23.25" , Width :16.1", Height: 5". A few customers didn't check the dimensions then returned the tanks without quality issue, complaining it was not the right sizes for their generators. This should have been avoided if read the product description carefully before ordering. Thank you for understanding. Fuel gauge and rubber grommets are already assembled ( many other tanks don't) Note:This generator fuel tank doesn't have vent valve. Some customers didn't notice this until receiving the tank and then return it without quality issue. If you need a fuel tank with vent valve, this one is not the right for your need Attention:The true capacity of the tank is a little less than 7 gallon.It is the same situation for all similar tanks you can find in the market, which are advertised as 7 gallon.If you really need an exact 7 gallon tank, please don't order it in order to avoid unpleasant experience and non-quality return. Thank you for understanding. This 7 gallon generator gas tank replaces Honda EC6500 generator fuel tank, Honda EM5000S generator fuel tank, Honda EM5000 generator fuel tank, Honda EM6500 generator gas tank,Honda EM6500SX generator gas tank, ,Honda EB5000 generator fuel tank,Honda EB5000X generator fuel tank, EB5000X fuel tank,Honda EB6500 generator fuel tank,Honda EB6500x generator fuel tank, Honda EP6500 generator fuel tank and more generator models. This gas fuel tank is compatible Harbor Freight Predator 8750 geneator fuel tank, Black Max 8125 generator fuel tank, Onan homesite 6500 watt generator fuel tank,Onan 5000 watt generator fuel tank, Powerland 10000 generator fuel tank,Titan generator 7500 generator fuel tank. This 7 gallon generator fuel tank matches many Champion CPE generator fuel tank without vent valve, including Champion 6250 generator fuel tank, champion 5500 generator fuel tank,Champion 5000 generator fuel tank Champion 7000 41311 generator fuel tank, Champion 7500 generator fuel tank, Champion 9000 generator fuel tank 41030, 41135, 41512, 41513, 41514,100165 Champion 9375 generator fuel tank and more models. Please compare the dimensions before ordering because Champion has many different OEM sources for generators This gas fuel tank is compatible with Wen 5500 generator fuel tank, APP 6000 geneartor gas tank, PowerHorse 9000 generator fuel tank Lifan 6500 Watt generator fuel tank, King Craft 5000 generator fuel tank,King craft 6000 watts generator fuel tank,honeywell 5500 generator fuel tank 6036,vxg6500 generator gas tank,UST GG5500 generator fuel tank,chicago generator 98838 fuel tank,kenowa 8000 generator fuel tank,homelite hg6000 generator fuel tank. This 7 gal generator gas tank is compatible with many other generators require the same mounting dimensions, like Black Max 7000 generator fuel tank, King craft 5000 generator fuel tank, Tahoe 9000 generator fuel tank, ETQ 5250 6000 generator gas tank,ETQ 8250 7250 generator fuel tank, ETQ TG7000 generator fuel tank, GP5500 generator fuel tank,GP7500 fuel tank, GP7500E generator fuel tank and more generators require a tank with these dimensions. Comes with petcock, air filter, fuel line,clips, mounting bolts, gasket set for muffler and carburetor, grommet set and bolts. Please doublecheck the sizes before ordering,making sure the sizes are right for your generator. Some customers hastily placed orders before checking the sizes, then returned without any quality issues.Our products are stored in Amazon warehouses. Most returned products will become useless once the packing are damaged. Thank you for understanding. This Universal fuel tank fits Honda EC6500 generator and many other generators which require the same on installing dimension.