418301 is a National multi-purpose seal in an industrial size of 2.25 x 3.505 x 0.438. It is a genuine National part from Pro Gear and Transmission, and we are glad to help you match it to your application.FeaturesNational multi-purpose seal, part number 418301Industrial seal size 2.25 x 3.505 x 0.438Genuine National partTech SpecsSeal size: 2.25 x 3.505 x 0.438