The Meritor AxleTech 2808E863 gasket is a flat ring measuring 6.50 in. outside diameter, 4.50 in. inside diameter and 0.10 in. thick. It is a genuine Meritor AxleTech part sold by Pro Gear and Transmission. Check those three dimensions against the gasket you are replacing, and call us if you want help confirming fit for your application.FeaturesOutside diameter: 6.50 in.Inside diameter: 4.50 in.Thickness: 0.10 in.Genuine Meritor AxleTech partTech SpecsOutside Diameter: 6.50 in.Inside Diameter: 4.50 in.Thickness: 0.10 in.