This is a genuine OEM Toyota Sienna IS300 3.0L fuel tank overfill check valve. It is made of steel and has a cylinder shape with a 1 inch filler neck diameter. It is designed to be placed on the rear or underfloor of the vehicle and is suitable for gasoline fuel types. This product comes with a manufacturer warranty of 1 month and is painted with a finish. It has a length of 10 cm, a height of 5 in, and a width of 10 cm. The manufacturer part number is 77390-53010 and the SKU is 77390-53010 HR. This item is a great choice for those in need of a reliable fuel tank overfill check valve for their Toyota vehicle.