Dorman OE Solutions Fuel Bowl Drain Valve O-Rings - 904-020 Part #: 904-020 Line: DOR Dorman OE Solutions Fuel Bowl Drain Valve O-Rings Limited Lifetime Warranty Color: Green Material: Rubber Inside Diameter (in): 1/4, 7/16 Inch Outside Diameter (in): 1/2, 9/16 Inch Thickness (in): 1/8, 1/16 Inch Show More Show Less